Kawasaki engine surges at full throttle.

So if it will only run choked, even when warmed up, it sounds like too much air is getting into the engine.2003 ZX6R (UK, European model), Akrapovic slip on, PCIII, stock airfilter, KLEEN air suction valves removed and blanked. Throttles balanced. No obvious air leaks. No FI errors. The bike idles fine. It runs fine with clean fuelling throughout the rev range. But there's one exception. With the...Still not much difference in RPMs between low and fast throttle settings, but if you manually lift the throttle shaft lever, it will increase the engine speed. Here a couple more recent videos. FH680V with engine off. FH680V with engine running. Also, where do I find the model spec number for this engine.The KLR comes pretty lean at just off-idle and mid-throttle. The 22 cent mod shims the needle with one or two #4 washers to richen up the mid-throttle. Done at the same time is removing the plug from the underside of the carburetor to expose the idle mixture screw. Seat it, then turn it out about 2 1/2 turns to richen the off-idle.

When driving at full throttle engine rpms cut dramatically, then after a few seconds surge back up to full throttle, it does this after running about 300 yards. ... A forum community dedicated to Kawasaki Motorcycle owners and enthusiasts. Come join the discussion about performance, modifications, troubleshooting, maintenance, off-road, touring ... If your engine is surging or running unevenly, chances are that something is wrong. Some engines will seem to surge when there's no load. because when the drive, auger (if a snow blower) or blade (if a mower) are disengaged, the governor will keep it from reaching full throttle. If the engine still surges while there's a load on it (or it dies ... I have a Ex-mark with a Kawasaki FH580V 19 HP zero turn that was running rough for a long time. After spending weeks trying everything I could think of to ge...

Kawasaki V2 engine problems. I have a Husqvarna AWD ride on with a Kawasaki FH531V 18.0 engine, done 520 hours. Motor started running rough about 2 months ago, was fine at full throttle under load but rough at idle and half throttle. I changed spark plugs, cleaned air filter, cleaned fuel filter but problem continued.Kawasaki introduced the Mule 2510 model in 1993 with a 617-cubic centimeter liquid-cooled V-twin engine and fan-cooled belt drive converter. Equipped with the same engine size, the...

The engine bogs down at 3/4 - full throttle. I tried scraping the secondary screen inside the pump/pressure relief housing and got nothing. So I poked 3holes and put an inline filter on the line running from the tank to the engine. Worked like a champ, has great acceleration and power now. The other option is to replace the whole assembly I ...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 ...11,551. Jun 5, 2011. #5. Re: 1987 Evinrude 175 HP outboard surging. Have someone constantly prime the fuel hose bulb while you are running full throttle. This will force extra fuel into the carb bowls. If the engine runs fine at top end, you may have a weak fuel pump. A weak fuel pump will not supply enough fuel to sustain high rpm's.Tecumseh Engines: With the engine stopped, loosen the screw holding the governor clamp on the governor lever. Rotate the clamp in a direction that will force the throttle shaft open and allow the governor follower arm to rest on the governor spool. Push the governor lever connected to the throttle to the wide open throttle position.

260 posts · Joined 2023. #1 · Sep 4, 2023. I have a Cub Cadet LTX1042KW (circa 2013) lawn tractor with a two cylinder Kawasaki engine, model FR600V. About 250 hours on the engine. Sometimes, 50/50, when starting it will surge for a while. I usually shut it down after a couple of minutes, swear a little, go away for a bit and when I come back ...

I have a Ex-mark with a Kawasaki FH580V 19 HP zero turn that was running rough for a long time. After spending weeks trying everything I could think of to ge...

12486 posts · Joined 2004. #12 · Oct 25, 2012. Once the throttle bodies are fully open (full acceleration), and the engine RPM's get high, then the injectors must deliver a full flow of fuel. If the fuel pump is getting weak, then the injectors can't deliver enough fuel to keep the engine running properly.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.824. Apr 10, 2013 / Readjusting the governor's linkage on a kawasaki engine? #9. In general most governors are adjusted by moving your throttle control to full speed and notice what direction your governor arm moves. Then you loosen the governor arm to shaft bolt and turn the governor "shaft" the SAME direction (as far as it will go) as the ...surge/hunting occurs only at wide open throttle, but will not occur every time you go there? When it does happen, I will back out of full throttle SLIGHTLY and the engine runs fine again. Problem happens with no load or load. Watching the inputs on Diagnozer, throttle & accelerator % holds steady.Let me clarify. When I turn the mower on right now, regardless of throttled position it revs much higher than full throttle. With the governor arm loosened and the throttle linkage running from the governor linkage to the carburetor held in the idle position I increased and decreased engine rpm and monitored the governor rod for movement with back pressure on the rod.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 ...15 posts · Joined 2018. #1 · Oct 30, 2018. I have a Dixie Chopper Magnum 2250 with a Kawasaki Fs651v engine. It is surging and does not idle up above 3550 rpm with the blades off. The rpm goes up and down 100 to 150 rpm just idling with blades off. It idles rough when blades are on also. I have put a new fuel filter, plugs, and air filter on it.

First thing I would do is get a Tach on it and run it where it is surging. Grab the linkage with your hand and hold it at a steady RPM where it normally surges. If the surging stops and it runs fine, the problem is in the governor. If the engine dies or wont run steady while holding the throttle you have a fuel problem.Some articles I have read suggest removing the stock auto-choke carb and replacing it with a Honda CT70 Carb. Check with a local shop to verify, I do not own either and am just passing along the info. Another solution suggested by 'OneRide': Try it with the gas cap off. The tank vent might be plugged. Possibly plugged fuel filter.82 posts · Joined 2009. #10 · Apr 29, 2009. MowerMedic77 said: Yes this is normal that is the difference between and 23HP and 25HP, the 25HP butterflies open fully. I recently had a unit that was doing the same thing. It would run perfect under 0 load but full throttle blades engaged it was a pig poppin and sputtering.24,705. Jul 1, 2019 / GT275 John Deere 17HP Kawasaki Backfires and trouble running at times. #5. From memory the engine JD used have the external timing module which kawasaki called an igniter for some strange reason. However we would need full engine & JD model numbers to check that out. Never had a coil on a JD go bad but have needed to ...The engine bogs down at 3/4 - full throttle. I tried scraping the secondary screen inside the pump/pressure relief housing and got nothing. So I poked 3holes and put an inline filter on the line running from the tank to the engine. Worked like a champ, has great acceleration and power now. The other option is to replace the whole assembly I ...2. Engine Misfires or Backfires. A common challenge many have with the Kawasaki Bayou 300 is engine misfiring. There are four possible causes for this malady: An improperly timed fuel pump. A poorly tuned carburetor. Inaccurate valve timing. Unusually low idle screw setting.Kawasaki 18HP FD590V Carb Issues - Surging. I found a deal on a Non Running John Deere 345 with a Kawasaki that needed the Cam Replaced. I finished the cam repair and replaced the Gov., oil gear, water pump, plugs and others.... I mounted the engine and fired it up today but it really runs bad. It surges and barley stays running, often stalling.

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 ...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 …

Common Causes of Backfire: Lowering engine speed too fast. Gasoline, which contains higher blends of alcohol. Carburetor adjustment set too lean. Muffler construction can induce backfire. Higher than normal engine temperatures. Some carburetors can induce backfire due to the sensitivity of internal transitional passages.Aug 16, 2011 · Surging Engine. OK, we have a liquid cooled 27 HP Kawasaki engine model number FD750D-S04. It has a very bad surging problem from half throttle and above as long as it is not under a load. Once the blades are engaged or if you drive up a hill it smooths out and runs great. Another thing is it backfires and sputters when we take it from full ... The Kawasaki Mule 4010 Throttle Position Sensor adjustment is a critical task to ensure proper engine performance. To adjust the TPS, start by locating the sensor, which is typically near the throttle body. Use a multimeter and follow the manufacturer's guidelines to set the correct voltage output at idle and full throttle positions.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.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.May 30, 2021 · Move the throttle to the FAST position. Pull the PTO switch up/out into the ENGAGED (ON) position. NOTE: When operating the tractor be certain that the throttle is always in the FAST position. Operating with the throttle at less than full throttle may lead to premature battery wear and a poor quality cut. I have an LX277, air cooled, Kawasaki FH500V, 494cc, 17HP VTwin OHV. This mower runs a half throttle, but surges when trying to run full throttle. I've changed the fuel lines, fuel pump, solenoid, and cleaned the carb during the past months with no lasting fix. I'm confident this is a fuel/air issue due to the fact that choking the mower will ...8. Jul 18, 2013 / Only idles at full throttle (not enough power) #1. 22" Murray 4.0 push mower (8-22541) Date: 0718. Engine: Briggs & Stratton (data plate is gone) Here's one that's beyond me (not hard to do, actually). At full throttle (not just the lever, but the throttle is all the way open on the carb itself), the motor runs smoothly but at ...28021 posts · Joined 2011. #3 · May 12, 2014. You have dirt in the low speed circuit of the carb. The mower is running good under load because it is drawing fuel from the high speed jet in the carb, but once you remove the load and try to run at idle, the small blockage in the idle circuit is not allowing enough fuel past, and it surges.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.

Location: New York. Posts: 8. 2016 cub - EFI engine surging. Hi like I said the 547cc efi engine is surging when started at full throttle at low throttle it's fine when pto is engaged it's fine no idea why a brand new mower would do this. I called dealer I purchased from they said it's part of break in process and put a few hours on it and if ...

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 to stall, the machine only has 7 hours ...

While riding along at a steady 1/4 throttle the bike will seem to lose/gain power continuously. (71 Bonnie, Newish premier carbs, 19 pilots, needle in middle groove, 106 needle jets and 220 mains). This goes away completely at idle and also at anything above 1/4 throttle. I've been told that stumbling while at steady throttle opening points to ...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.After you start the bike, remove the key from the ignition and put it in the gas cap. Next time it starts surging, pop the cap and see if it stops. - Rich. 2006 1600 Ultra-Classic. Patriot Guard Rider. Please put your bike year/model in your sig line or fill in your profile before asking for help.So if it will only run choked, even when warmed up, it sounds like too much air is getting into the engine.11 posts · Joined 2007. #1 · Jun 13, 2010. Please help!! idle problems Exmark Lazer Z HP Kawasaki, 19HP, FH580V 720 hours- real clean machine, all of a sudden the engine surges at idle, runs rough, stops surging at half throttle and at full power with mowers on it runs fine but sounds rough. I figured air or fuel filter bad, changed both and ...Honda GCV160 auto choke lawnmower, Surging and smoking a. Honda GCV160 auto choke lawnmower, Surging and smoking a lot, Check and replace the Spark plug, Clean the carburetor, Muffler full of oil, … read more. Vince O. Small Engine Technician. High School or GED.1. Kawasaki Mule Pro FXT Engine Problems: Engine issues in the Kawasaki Mule Pro FXT can occur due to a variety of reasons, such as improper maintenance, wear, and tear, or fuel-related problems. Wear and Tear. The engine in the Mule Pro FXT is subject to wear and tear over time, which can cause it to fail.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 …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.Let me clarify. When I turn the mower on right now, regardless of throttled position it revs much higher than full throttle. With the governor arm loosened and the throttle linkage running from the governor linkage to the carburetor held in the idle position I increased and decreased engine rpm and monitored the governor rod for movement with back pressure on the rod.Troubleshooting a throttle/fuel issue on a FH661V Kawasaki engine. Cranking the engine with choke works and I can idle - Answered by a verified Technician ... It has surged in the past but never completely shut off while full throttle engaged and mowing/riding. Mechanic's Assistant: ... Kawasaki engine surges and dies after a few minutes of ...On the dyno, they noticed a surge at 10% and 20 % throttle regardless of what gear the bike was in. Things that were checked: ECU - they swapped out my ECU with another stock 09 ZX6R ECU, no change same surge indications. PCV - Checked all Power Commander connections to the lower injectors, and the upper injectors going to the quick-shift ...

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.Apr 9, 2022 · This is a late 90's model Scott's lawn tractor with a Kohler engine. After sitting a few years, it would start and run, but needed a little TLC to resolve th... The needle should be in the middle setting I believe if everything is stock. Check your manual to be sure. Try taking off the air filter and rev the engine to rule out lack of air. Be sure you 're getting enough fuel, remove your carb fuel feed hose and crank the engine over.I have a 2007 Vulcan 500LTD which sat for about 12 months. I replaced the battery, cleaned and re-oiled the air filter, changed the spark plug, added sea foam with new gas to tank,(but did not completely drain the tank). The bike idles great, from full choke to half then to closed, but when I engage the throttle the bike dies.Instagram:https://instagram. david muir syracuseamarillo to dumas txgiordano's westchester il 60154gun show ruidoso nm 2003 ZX6R (UK, European model), Akrapovic slip on, PCIII, stock airfilter, KLEEN air suction valves removed and blanked. Throttles balanced. No obvious air leaks. No FI errors. The bike idles fine. It runs fine with clean fuelling throughout the rev range. But there's one exception. With the...24,705. Jun 27, 2018 / Engine runs at full throttle. #2. A racing engine is always the governor. So it has not been installed properly or is not connected properly. If it is installed properly with the engine stationary it will be pushing the throttle butterfly fully open. With the engine running if you push the governor lever to open the ... kaiser downey emergency room wait timeairflow breeze 1000 0099 baseboard booster fan almond 18 in Kawasaki FH430V surging/loping at idle solved! In an attempt to give back to all of you for all the info I have gleaned over the years I want to share some success with this particular motor I had this evening. The motor is a Vert. 15 hp. I bought it used and ever since I had it has always had the dreaded surging at idle or slightly above.Oct 21, 2004 · 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. craigslist mount clemens D. dschell Discussion starter. 21 posts · Joined 2008. #1 · Mar 23, 2009. Hi - I have an older Hustler Z (circa 2002) with a Kawasaiki FH680V engine. I bought the mower used last fall and replaced many of the normal wear and tear parts, such as spark plugs, fuel filter, and fuel pump. I also cleaned the carb and serviced the oil.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.