Kawasaki engine surges at full throttle - This is a "video response" to MiWilderness' (http://www.youtube.com/user/MiWilderness) question about a surging lawnmower engine. Surging of engines means th...

 
Kawasaki FX801V Surging. I am working on this Zero turn and it is surging. Someone has already screwed around with the governor and I went through following the repair manual to adjust it. It still surges at full rpm and if I give a little choke it does not help. (the customer rebuilt the carb as well) I am thinking that the governor inside the .... 1970 sport fury gt for sale

The throttle position sensor (TPS) on most vehicles is located in the engine compartment. It sends input to the electronic engine control so that ignition and fuel injection timing...Throttle control on BBC engines. The methods for checking and adjusting RPM and Full Throttle position is the same on all the Kawasaki FJ180V engines. We are illustrating the procedures on the BBC engine for clarity. FJ180V KAI Engine Specifi cations used by Ybravo: "M22" used on 21" Zone Start - 3300 RPM57 posts · Joined 2016. #1 · May 20, 2019. Hello everyone, Next door neighbor recently got a used Hustler X-One 60 inch cut with the Kawasaki FX850 27hp engine. It loses engine power (bogging) when you do anything! Sitting still RPM's rev like they should. As soon as you engage handles to move thing forward or back, you can hear the engine ...Every thing I ever had that was surging was repaired by carb cleaning/adjustment. Generally if it surges at high throttle it wont idle. Get it to idle good at lowest throttle first and you are well on your way. Then adjust the high speed jet at wide open throttle. Careful not to over rev. Don.How to repair an engine carburetor that surges, hunts, pulses or waffles. In this video, we'll show you how to fix a surging engine on a lawn mower, pressur...The engine seems to have full power at full throttle when mowing and seems smooth. Even at idle now, the engine rpm's seem to be smooth and steady but there's that popping sound. One other thing.. Before rebuilding the carb, starting the engine when it was warm was a simple 1/2 second turn of the key..Tweet. #1. Trailblazer surging. 06-24-2009, 10:21 AM. I have been noticing the last couple of days my trailblazer 302 has developed a surge when I quit welding before it drops to idle. I don's suppose it hurts anything but I don't like it and it's never done it before. It is not really noticeable while I am welding.The Kawasaki Mule 4010 throttle body cleaning process involves removing the throttle body, removing any loose debris, spraying with a throttle body cleaner to remove all oil and grime then reinstalling the throttle body. ... Engine surges; Poor fuel efficiency; If you notice these Kawasaki Mule 4010 fuel pump problems, start by implementing a ...Originally Posted By: Merkava_4 I can't understand why people always blame the governor for a surging issue before blaming the carburetor. A governor in an engine like a Kawasaki is a mechanical governor and will last the life of the engine. Kawasaki is so confident of their governors that they don't even offer it has a separate …2 posts · Joined 2017. #1 · Nov 12, 2017. I recently purchased a used 2009 4010. It was idling too low and cutting off when I bought it. Carried it to a dealer and they adjusted Throttle position sensors. After got back home and rode about 30 minutes, it started idling too high to change gears. Every now and then, it idles correctly.My Husky GTH2248 with the two cylinder Kawasaki engine just started surging at mid to full throttle…but only when the mower is not engaged. The moment I engage the mower deck the RPMs increase and it runs perfectly. Disengage the mower and the surging returns Any ideas? PeteKAWASAKI ENGINES PRODUCT RECALL. Voltage Regulator For Select FX801V, FX850V, AND FX1000V Engines; FR730V, FR691V, and FR651V (RP230415) FT730V EFI Engines (RP230074) FT730V EFI Engines (20-705) FX850V EFI Engines (20-703) Fuel Filter; SUPPORT & RESOURCES FREQUENTLY ASKED QUESTIONS.212 posts · Joined 2007. #1 · Oct 25, 2016. Looking for any info that anyone has on this problem--GX335 with Kawi FH601V that came to me with a rough running complaint. Removed carb and cleaned/rebuilt. Reinstalled and it runs great with one MAJOR problem--NO throttle response!! Throttle plate on carb moves freely, although I noticed both ...The main time the loud backfire happens is when starting it. Exactly. Our guys get back at the end of the day and bring the lazers into the shop to change blades. They shut the machine off, jack it up and change out the blades. On start up to move the machines into the back bay, one lazer would back fire, scare the pizz out of the office staff.N. W. Indiana. Tractor. Kioti CK3510SE HST, Ford 3400, Gizmow ZTR, Simplicity 7016H. Rdrcr said: I recently purchased a new Cub Cadet Pro Z 560 S KW and I’m trying to figure out what RPM or throttle amount I should be applying when I mow. The ZT is equipped with the 852cc Kawasaki FX850v engine.4. Apr 30, 2018 / Kohler 7000 Started Surging Suggestions Needed Please. #1. Hi Follks, I am not the best at fixing small engines so I am trying to learn. I have a Troy-Bilt Zero turn with a Kohler 7000 Engine and Walbro Carb. The engine started to sputter and die when I ran it for 5 min. The first thing I tried is pulling off the carburetor ...Remove both side panels. 4 bolts/nuts. Then remove 4 nuts to lift and turn the upper plastic deck that surrounds the steering. It will raise and turn enough allowing the pump assembly to be removed. Kawi Performance offers larger bag filters for in the tank and also an external filter like the older 15f had.New-to-me mower (Cub Cadet Commercial Tank) with a 23 hp Kawasaki FH680V-BS18, 270 hours I had a hot start problem, repaired a chafed stator wire, disassembled & cleaned the carb & installed new gaskets, and set the valve lash to 0.004. The hot start problem went away, but now... At idle, it searches/surges around the set …1. Messages. 260. Apr 26, 2020 / LT1500 Mower--New Carburetor- Surging at Full Throttle. #2. Hold your finger on the throttle, if it smooths out the governor is set incorrectly. If it stumbles and dies it is not getting enough fuel. It may be over revving which will starve it for fuel. B.Kawasaki EFI technology combines Integrated Electronic Throttle Control and an advanced engine control unit (ECU) to continuously match engine power to cutting load and ground speed, helping to maintain maximum cutting performance through heavy turf, tall grass, hillsides, cold starts, and more. Get razor-sharp results with a Kawasaki EFI engine.I have a Kawasaki FH 601V HS06 engine that will idle but dies under full throttle while putting out black smoke. It seems to me that the engine is loading up with gas. I cannot find any adjustment externally, but on the parts diagram I see that both needles are hidden under expansion plugs. I am wondering if the carb needs adjustment.Hi Donald this Kawasaki was running smooth unless at around full throttle so I cleaned the carb and found some gummy stuff but now it it seems to be surging but almost seems like cutting out, I expected it to run perfectly but not do much. ... 19 hp kawasaki engine experiences loss of power under load. Yesterday I cleaned the carb. All simple ...Aug 1, 2015 / FR730 Surging @ Idle & Intermediate Speeds. #1. I have a 2011 Husqvarna GTH26V52LS mower with a Kawasaki FR730VAS04 engine with a little over 90 hours on it. It has run great but recently at idle and intermediate speeds the engine began to surge but it doesn't die. At full throttle for mowing it seems to run fine.Use the wire from a bread tie to gently clean the inside diameter of the main jet and idle jet. If replacement parts are needed, make sure you write down the numbers from the engine so your dealer can get you the correct items. If Briggs, Get the Model, Type, and Code from the valve cover.Set the throttle control to a low rpm position. Secure the throttle to the idle position with a piece of wire and start the engine. With one finger, push the governor arm the the direction that will close the throttle. while doing this slowly open the throttle (manually - release the securing wire). As the rpm increases, slowly reduce the ...GX345 Surging Engine Problems. I have a JD 2005 GX345 garden tractor with a 20hp liquid cooled Kawasaki engine. I am having trouble with the engine surging after it warms up very badly. I have done the following things to rectify the problem with no success. Couple of hints: When I run the PTO (blades) it runs like a top.Oct 1, 2017 ... ... kawasaki #tecumseh #toro # ... FIX Engine Surging on any small engine QUICKLY ... HONDA GX160 ONLY RUNS WITH THE CHOKE ON DIES AND SURGES.4 posts · Joined 2018. #1 · Jul 3, 2018. My 1984 JD 240 has a FC420V-DS00 Kawasaki engine that's surging. Its very pronounced at idle, but detectable even at full throttle. Then after running for 30-40 minutes when the engine really heats up, it begins to cut out until eventually the engine will die. If I hold the hood open to increase air ...New Member. Sep 17, 2015. #1. 1991 G2A boggs down and surges at half to full throttle. Fuel pump pumps gas [have had 2 different ones on] cleaned carb. [have had 2 different ones on] new spark plug and air filter. Runs fine up to half throttle or so then no more power.Kawasaki Mule 4010 won't run full throttle Please help. I have an 09 Mule 4010 gas engine. I bought it from an older lady who didn't use it for a year or more. It will crank and run at slow speeds about half throttle but will backfire and not run if I press the pedal all of the way down. I drained the fuel tank and filled with 92 ethanol free.The top speed of a Kawasaki KLX 110 is 50 mph. The Kawasaki KLX 110 is a compact dirt bike designed for children and beginners. It is lightweight and has a lively engine and comfor...Take a small pair of vice grips and clamp down and turn the studs but just loosen them. Don't try to back them out completely with the vice grips. Snug but don't tighten the two bolts back on the carburetor. Then put the nuts on one stud and tighten the two nuts together.The disconnect between a stock's share price and the company's performance were writ large during the GameStop (GME) stock price surge. Calculators Helpful Guides Compare Rates Len...Yeah the LX178/188 had their fair share of engine fires. There is an upgraded fuel pump to address the issue. Gas from the carb sounds like the float is sticking or like you said dirt on the needle valve. Bad news on these carbs is the seat is not replaceable so if you can't fix it by cleaning you have to buy a new carb.Mar 5, 2011. #2. There is dirt before the seat and needle in the carb. Take the carbs apart and back flush the needle valve seat. Put a clean paper towel there to catch the debris. 2.So I have the engine in and running. It runs well on full throttle and with the blades and drive going, but at low speed it surges and hunts. I accidentally read the tappet clearance wrong from the manual and ground way too much off the valve stems .040 instead of .004. Would this cause the surging?2 posts · Joined 2023. #1 · Jan 14, 2023. 40hrs - 2017 Kawasaki Ultra LX 1500 non supercharged. Engine runs fine at light throttles and full throttle. At a certain part throttle range, it has instant power loss then back again, which can be several times a second until I gas on or reduce throttle. At times, more so after the first occurrence ...kbeechler. 11 posts · Joined 2022. #9 · Nov 8, 2022. I’m reading about the Kawasaki FJ180V surge, I have a brand new machine, straight out the box, it too surges during load, it idles beautifully.. it will really surge at full throttle, but if I back it off to about 3/4, it surges very little..You can try the old school trick of running the engine at full revs and closing the choke until it almost dies. Open the choke and let the engine stabilize. Repeat this process a few times. You might get some good results. If not, the only true way to effect repairs is to disassemble the carb and fully clean it.1. Minimal Fuel System Response. Contaminated or bad fuel presents the main cause of surging on any engine. Dilution due to eventual condensation lowers the …Trimmer was working great, but then started to bogged at full throttle. I went through the possibilities and it turn out to be the fuel filter. Trimmer was working great, but then started to ...Full throttle, rpm surges up and down regardless of load. A small amount of gas was left in carburetor bowl last season (I did it!). I removed carburetor and cleaned bowl which had small amount of varnish. Removed carb. Float is good. Needle polished clean. Used carb cleaner, guitar string, and compressed air to clean openings in carb.For example, with the engine not running, push the throttle to the choke position then make sure the choke is closed. Move the throttle from the choke position then make sure the choke is completely open. Make sure no cables have loosened and slipped. The choke not opening fully will cause the engine to run rich. 4.Difficulty and/or delay in gear shifting. Unusual surges while accelerating. Each of these could be signs that your throttle position sensor isn't working correctly. Too much airflow or too little could cause poor acceleration performance, but it could also be linked with other engine issues.Kawasaki 24hp engine is surging badly. I just purchased a John Deere Z540R with the Kawasaki 24hp (FS730V) engine less than a month ago last week I noticed that it was surging while idling and at low throttle, now it's surging worse and has a light surge even at full throttle. At mid throttle it surges so bad it feels like the engine is about ...when you have the air cleaner cover off and twist the throttle, you should see a gush of fuel from the little brass stud on the bottom of the tube. No gush = accelerator diaphragm gone or hole in bottom of float bowl blocked. That hole is so small it helps to have x ray vision to find it. Pull the plugs and check.1- check the alternator charging output, make sure the alternator output is not overcharging. If there is an overcurrent condition going to the fuel system ...13. Nov 16, 2021 / Kawasaki FX850V popping thru the exhaust. #1. Kawasaki FX850V-BS13 - put a new oem carburetor from kawasaki in after the old one got cracked by a falling tree limb. (Not my mower). Mower had been setting for awhile. After new carb install engine runs rough and backfires thru the exhaust. Found coil on left bank was week so I ...Changing the filter to an after market filter will lean the motor out which will cause a "surge" at full throttle. You will need to possible jet the motor richer to compensate for the leaner filter design. Third: Try rolling out og the throttle from full throttle by about 1/8th and see if the engine RPM's increase and the surge goes away, if so ...The 'dogleg' in the linkage is to clear this lever. 2 - Adjust the throttle cable & clamp so the throttle lever on the backside of the control panel just hits the stop screw. 3 - After adjusting the Lo idle speed, loosen the 2 bolts holding the control panel in place and slide it to set the Hi speed & tighten it down.New Member. Apr 5, 2020. #1. I recently purchased a 2005 EZGO Workhorse with the 352 cc Robin engine. The cart didn't run like I thought it should. It would backfire through the exhaust and carburetor. It did dent have the power I thought it should have. I drained the Gas and filled the tank with 90 octane no ethanol gas changed the spark plugs.Jun 9, 2020 · Jun 8, 2020 / Kawasaki FH601V surging / loping at high rpm. #1. I bought a well cared for JD 717a mini z Trak 48” mower last year. It’s old but it is in fantastic shape. The motor is a 19hp Kawasaki FH601V It idles fantastic, and starts like a dream, but at full throttle and especially under load it lopes and seems to struggle to maintain ... 185 posts · Joined 2001. #1 · Jul 5, 2001. i have a hustler z and love it so far! one problem i have is the kawasaki 23hp engine started surging at about 40 hours. The local dealer cleaned and eventually replaced the carb. problem was fixed, or so I thought. Now I have to engauge blades at full throttle or the engine will die.Verizon has been caught throttling Netflix streaming (much like Comcast was before Netflix paid the cable company for a "fast lane" access). If you're having speed or quality issue...Engine surges. If you close the choke 90% it smooths out and keeps running. You can see the throttle close down to an idle, then governor opens the throttle back up to keep it from dieing.Conclusion. In this blog post, we discussed the causes of engine surging in the 25 hp Kawasaki engine. The causes include a dirty or clogged carburetor, restrictions in fuel flow, air intake issues, ignition problems, and vacuum leaks. To resolve engine surging, it is important to diagnose the issue correctly before trying to fix it.Engine surges. If you close the choke 90% it smooths out and keeps running. You can see the throttle close down to an idle, then governor opens the throttle back up to keep it from dieing.My GX345 has had engine surging since it was new, this 20 minute easy fix took care of the problem. My GX345 has had engine surging since it was new, this 20 minute easy fix took care of the ...4. Dec 18, 2021 / Kohler ECV749 (EFI 29HP) Surging at mid to high throttle when idling. #5. ILENGINE said: Doing a TPS relearn may not be a bad idea to see if that improves the idle. It is very possible that the TPS is getting worn sending erratic signals to the ECU. May require a TPS replacement in the future.Sep 10, 2019 / Bad boy rebel w FX1000V Kawasaki. #3. Because the stop function works by killing the spark, the engine does several rotations before everything finally come to rest. Because of this fuel is sucked into the engine, not burned then blown out the exhaust. Because the new engines run way too lean, the exhaust is red hot internally.I have a new Ferris Z3 with a Kawi FX850V-EFI. I went with the kawi bc I know them pretty well. My buddy has same mower and has had some issues with his at idle but mine has been fine. Finally today I washed mower and not it will start but will not idle up. Idle button is working as I can hear it idle louder for a second but it will not idle up.The engine sounds and feels bogged down and surges. When I get to the top of the hill I let off the accelerator and I feel like the the tranny reset to normal operation. I park it. The muffler is real hot. Oil is good, water is good. I let it sit for 30 minutes... only the check engine light is on now.6. Last effort before taking it to the dealer: Removed throttle body (PITA), throttle body appeared brand-new inside maybe due to the throttle body cleaning step in #5 above. What I did different was open the electronic servo controlled throttle blade using my finger: full open and full close back and forth - sprayed shaft bearing area with WD40.You can try the old school trick of running the engine at full revs and closing the choke until it almost dies. Open the choke and let the engine stabilize. Repeat this process a few times. You might get some good results. If not, the only true way to effect repairs is to disassemble the carb and fully clean it.I have a 357cc powermore motor & for the life of me can,t stop it from surging.or find the correct location for the carb. spring, it was kinda hooked up jerry rig style worked okay for one storm,, now surges at low or full idle. Not as bad with choke on,,dirty fuel pluged carb,, worth tearing apart or geta new carb & spring. Anybody. Tia..Video showing the common methods of installing throttle and choke cables on both the auto choke and manual choke engines, how to adjust them and how to chang...My Craftsman T210 has the Kohler 5400 KS540-3011 18 hp single cylinder engine. This year it started surging while running at full throttle. I'm looking for suggestions on how to fix it, and if this engine has a plastic governor gear. Broadly speaking, surging is usually a fuel or carb issue. At a given throttle setting, the carb isn't providing ...Getty. A Kawasaki lawnmower engine that backfires on start-up has a problem with fuel delivery through the idle jet. Too much fuel is delivered, resulting in unburned fuel in the exhaust. Fuel burning in the exhaust causes the backfire. If the engine runs too rich throughout the mowing process, the evidence will show on the spark plugs.Have tried obvious... secondary throttle valves, ok, movement ok, TPS ok, other sensors ok, Next step is to "fool" the EFI and bypass the O2 sensors and make a false sinus signal that keeps the fuel more or less steady. Not sure if the "ratchet effect" is applicable here. Don't know if the EFI has a learn mode.New-to-me mower (Cub Cadet Commercial Tank) with a 23 hp Kawasaki FH680V-BS18, 270 hours I had a hot start problem, repaired a chafed stator wire, disassembled & cleaned the carb & installed new gaskets, and set the valve lash to 0.004. The hot start problem went away, but now... At idle, it searches/surges around the set 3600 rpm idle speedKawasaki Mule 4010 won't run full throttle Please help. I have an 09 Mule 4010 gas engine. I bought it from an older lady who didn't use it for a year or more. It will crank and run at slow speeds about half throttle but will backfire and not run if I press the pedal all of the way down. I drained the fuel tank and filled with 92 ethanol free. Inspect the vent on your gas tank’s cap and clean it if it’s dirty. Drain the gas tank, clean the gas bowl, and add a fresh batch of fuel. Or you can inject fuel cleaner to clean the fuel line. After changing the fuel or injecting fuel cleaner run the lawn mower as usual. Caution: Make sure the fuel is below the maximum gauge level. It has the kawasaki fs600v 18.5 hp motor on it. Currently it runs fine at high rpm but if I lower the throttle at all it begins to surge up and down. I have already cleaned the gas tank, replaced the fuel filter, cleaned the fuel lines, cleaned and soaked the carb in chemical cleaner, cleaned the jets, changed the spark plugs, replaced the air ...Engine starves for fuel at high speed (leans out) Check inlet needle and seat for condition and proper installation. Carburtor leaks. Engine overspeeds. Idle speed is excessive. Check sealing of welch plugs, caps, plugs and gaskets. Carburetor out of adjustment. Engine will not idle. Engine lacks power at high speed.Surging is always caused by an air : fuel ratio that is too lean to maintain a constant speed. Only 2 ways this can happen 1) carb not supplying enough fuel 2) air entering the engine after the carb venturi tube has added the fuel. To test for the latter, start the engine, hold the governor arm at whatever place to obtain the fastest smooth speed.txgrassguy. Remember that air cooled engines actually heat up a bit at idle and this may be a cause for the back firing. Unburnt fuel is ignited from the heat in the cylinder which can cause the back firing. The idea behind shutting a motor off at full throttle is the unburnt fuel is dumped into the cylinder actually cooling it down somewhat.The engine's specs, including a 23-hp rating and 39.3 ft-lbs torque, are pretty impressive. While it is the perfect accessory for your mower, you should be ready for Kawasaki FR691V issues. The leading Kawasaki FR691V problems are overheating, a dirty carburetor, backfire, stalling, and weird noises.F. fixer67. 3092 posts · Joined 2004. #2 · Oct 20, 2004. Try running without an air filter. These new engines of all makes are running so lean you can not running them without an air filter which makes it hard to do carb work on some of them. On some engines I have had to make a special filter set up to do carb work.2 posts · Joined 2023. #1 · Jan 14, 2023. 40hrs - 2017 Kawasaki Ultra LX 1500 non supercharged. Engine runs fine at light throttles and full throttle. At a certain part throttle range, it has instant power loss then back again, which can be several times a second until I gas on or reduce throttle. At times, more so after the first occurrence ...Integrated electronic throttle control. Instant throttle response gives turf professionals full available power, the second it’s needed. Speed is maintained over heavy turf, tall grass and up steep hills. Blade speed holds steady giving a cleaner cut on the first pass. Get more work done – in less time – with better results.I'm out of ideas! It just doesn't make sense. I start it, it idles ok, I can apply throttle and rev the engine just fine for the first couple of minutes, and then, after that, it wants to die if I touch the throttle. It seems to be consistent; whenever the engine is cold, it runs fine for a couple of minutes.5 posts · Joined 2010. #1 · Apr 4, 2013. I have a 2007 exmark turf tracer hp with a 17 hp kawasaki motor. Has maybe 400 hours. Engine has been surging from idle to nearly full throttle. Doesn't surge at wot but engine doesn't sound smooth. I have done research and tried all the secrets and tricks on here. I've had the carburetor off 8 times ...At part throttle I had identical problems with the engine surging. Based on your success, I pulled mine apart today and found the exact same issue. As I pulled the fuel pump out of the tank, the hose disconnected from the pump. The hose was in very poor condition. I replaced the hose and the engine runs great. No surging at all.I have a 15hp Kawasaki on a 48 Lesco and the engine surges. I did all the routine things I could think of. Changed oil, air filter, emptied carb bowl, cleaned fins, sprayed carb cleaner, fuel filter. A couple of times it stopped surging when bring it to full throttle. Anyone have any Ideas?Corey King said: 2012 Brute Force 750 surging half throttle. 2012 efi Brute Force 750 4000km. swamp exhaust. power commander 5 (custom map vforce john) Primary Red spring (vforce john) K&N air filter with breather box hood with fine screen filter. Recently by bike when I go above 1/4 throttle it starts to surge.A Kawasaki 27 HP engine can experience several problems. These include fuel injection, air intake, and exhaust system issues. The fuel injection system may malfunction due to clogged filters or faulty injectors. A poor design or assembly of the air intake system may cause it to become inefficient or damage the engine.Just picke up my truck after being in dealer 25 outta 28 days. Went to turn to start on entrance ramp. Went 1st gear 2 gear. Then lost all throttle response. Engine was at idle. Got coasted off side of ramp. Were truck sat idling in gear mash on throttle up and down, engine rpm didn't change a bit. Repeated probably 20 times truck just sat ...This happens on cold start about 25% of the time. When it does, if I pull the choke all the way out for a second and then push it all the way back in, it usually clears up, but not always. If I rev the engine up, it clears up and runs smooth at higher RPM (past 1/2 throttle). This also happens when the engine is hot (after 1 to 4 hours of mowing).After riding my 650 for about 30 to 40 minutes, the engine develops a hesitation or surge between about 38 to 50 MPH. Up until this point, the engine runs smoothly and is a fun bike to ride. I don't notice any dip with the RPM's, just a small jerk, power, small jerk. Below or above these speeds the bike runs fine.

John D Kawasaki engine 17 hp surges. anybody have any thoughts. Thanks a lot, Deeremoonkid. My F525 (17 HP Kawasaki) does that at idle after I fuel it. I fuel it & drive it about 100' to the shed, 1/2 throttle or less. The rest of the time, it runs fine! ~~ grnspot110. Thanks, appreciate it. could be as simple as the vent in the fuel tank cap .... Front sensor blocked nissan altima

kawasaki engine surges at full throttle

My mower has the 24hp kawasaki EFI 750 engine and when dropped to idle it slowly settles into a never-ending cycle of pulsing the throttle to try to attain the target idle revs. If you bump the gas up, it cuts the fuel back and settles into the same pattern quite quickly.Feb 18, 2018 / 22hp V-twin STILL surging. Help! #2. that type of surge is normally associated with the idle circuit in the carb. Even though the engine runs at full throttle, you are still running on the idle circuit unless the engine is under load. those passages are normally in the area at or in front of the throttle butterfly if you are ...4. Apr 30, 2018 / Kohler 7000 Started Surging Suggestions Needed Please. #1. Hi Follks, I am not the best at fixing small engines so I am trying to learn. I have a Troy-Bilt Zero turn with a Kohler 7000 Engine and Walbro Carb. The engine started to sputter and die when I ran it for 5 min. The first thing I tried is pulling off the carburetor ...The common causes of 2 stroke bogging at full throttle include using the wrong gas mix, dirty or clogged air filters, damaged spark plugs or barrel gaskets, and damaged intake manifold gaskets. Easy fixes include using the correct fuel, cleaning dirty parts, and replacing the damaged components. These are just a few reasons for two …The surging/fluctuating/bouncing idle has been like this since the tractor was given to me. It happens at partial throttle but not full throttle. ... According to Tractordata your engine is a Kawasaki FH491V. I found some into on-line that shows where the various screws and jets are on the carb.43 posts · Joined 2012. #1 · Jul 29, 2016. Ive got a hustler raptor zero turn with the 23hp Kawasaki engine (fr691v). It has been acting up under a load. It idles fine, runs fine at full throttle without the blades. While the blades are on and I cut a patch of medium to heavy grass it will pop like crazy, I'll stop and let it clear up and ...It has: -Fresh oil (5w 30) -Fresh gas treated with stabiliser. Runs smooth at idle and at midrange but backfires (afterfires) and surges at full throttle. I tried adjusting the high speed jet screw and that somewhat helped but it still backfires every once in awhile and stills seems to surge (more like the speed oscillates a little).Jun 22, 2020 / Kawasaki FS730V - new mower - engine issues... #1. Hey Folks! New member Jim here from SC. Looking for some advice and help here. We just bought a place with a 4 acre yard and as such needed a new lawnmower. We purchased a Kubota Z421 with Kawasaki FS730V. Unit is new and not used. Unit runs fine at low power demand (less than ¾ ...I am having a problem on a Scag with a FH480v where it is surging slowly at full throttle, idle speed is smooth. ... but the engine will completely die if I apply full choke at high RPM. It is a very fine line using choke to where the choke will smooth out the motor or make it die. ... The issue was the two intake gaskets on the front and rear ...Every thing I ever had that was surging was repaired by carb cleaning/adjustment. Generally if it surges at high throttle it wont idle. Get it to idle good at lowest throttle first and you are well on your way. Then adjust the high speed jet at wide open throttle. Careful not to over rev. Don.If you notice that your Kawasaki lawn mower engine is surging, there are a few possible causes. First, check the air filter to see if it is clean. A dirty air filter can restrict air flow to the engine, causing it to run lean and surge. Next, check the spark plug to see if it is fouled or damaged.Motorcycle carbs have a few circuits that effect different throttle positions. Idle Circuit - for idle and off idle. Pilot Circuit - small effect on idle. Higher effect at lower RPM's with decreasing effect to full throttle. Needle jet/jet needle - Mid range circuit. Main Jet - Wide open.engine cuts out at full throttle. Jump to Latest Follow ... Pro-Fill tank pre filter, LE wheels, 4500lb Super Winch, Kawasaki Cargo box, custom floor protectors, Boss ATV25B Bluetooth speakers/amp, Kawasaki soft top, Half shield, Kawasaki LED Headlights. _____ Sold:2011 550 Grizzly Steel Blue/Cast Wheels,Moose Hand gaurds,Elka stage 1 shocks ...Remove your Mule's throttle body. Spray it down using WD-40 Carb & Throttle Body Cleaner, and then use a toothbrush or scrub pad to scrub it clean. Use your finger to open the throttle blade and spray the shaft bearing area with the cleaner as well. Open the throttle blade back and forth while cleaning it to ensure you remove all build-up.If you’re driving down the road and your engine sputters, your car temperature gauge rises, your car goes dead when you’re going up a hill or the car surges without pressing the ga...Once stalled, the governor will close the throttle. At this point the carburetor’s idle circuit will begin to supply fuel and the engine will fire once again and the throttle will return to full. This cycle repeats over and over, causing the engine to die and surge. Fixing a surging engine is usually a matter of cleaning the carburetor.There are many reasons why an ATV sputters. The most common reason has to do with a carburetor problem like a tuning issue, vacuum leak, or gas leak. Other sputtering issues can be caused by an ignition issue. For the combustion chamber to work on an ATV, it needs air, gas, and a spark. As long as you take a close look at the mechanics behind ...It will surge if the throttle cable and linkage are not properly adjusted. I think it causes the engine to run lean and begin to stall, and then the governor kicks in. If you add choke slowly it will smooth out, but gas consumption goes up. Per the engine manual: To adjust throttle control: Remove the air cleaner. move throttle control to FAST ....

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