Kawasaki engine surges at full throttle.

As I mentioned, it was surging before with the old carb, so the problem is probably not related to the new carb. I disconnected the governor shaft from the throttle linkage today, and the engine ran fine at all RPMs. So the surging seems to be caused by the governor somehow. I watched the end of the governor shaft and it's all over the place.

Kawasaki engine surges at full throttle. Things To Know About Kawasaki engine surges at full throttle.

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. One: The fuel tank vent. This has been covered extensively on how to mod it. I have done this to mine and I suggest you do it to yours immediatley if not already done. …Sep 26, 2007 · My problem is that the engine runs well at full throttle, but at idle or part-throttle it surges. The mower manufacturer (DR AKA Country Home Products) suggested trying Sea Foam but I've done that several times with no change. Oct 2, 2019 · i am struggling to figure out this problem. Basically the engine surges or hunts from idle through full throttle. I researched and done all the things that I’ve seen suggested. 3 different carbs. Current one is brand new. Still surges. Fuel pump works. Fuel lines clear. Excessive production of white smoke. Overheating. Fuel filter issues. Faulty voltage regulator. 1. Kawasaki fx730v carburetor problems. Dealing with carburetor problems on your Kawasaki FX730V engine can be frustrating. Let's dive into some common issues and how you can handle them.

Ideally, you should maintain the fuel supply filter for every 100-hour ride. You should find the fuel filter close to the fuel pump. As you open up the pump, you will find the filter with ease. Use gloves to grab the filter and remove it from the vehicle. Then, you may wipe it with a brush and liquid detergent.New member. Apr 28, 2016. #1. have a 1990 evinrude tracker 30hp that runs fine at idle. take it to the lake and it runs fine in no wake zones. whenever the motor is cold the boat will run fine at full throttle. whenever it runs for 10 minutes and the motor gets hot it will start surging like a cylinder is missing. thought i was getting fuel in ...

Check wire and plug end. They actually thread in the wire. v. check stator assembly. you'll have to remove flywheel to make sure there's no small broken wires in the winding or possibly damaged/missing woodruff key (keyway). v. coil - use a multimeter to check coil resistance. v.

Hi, I have a 2010 Kawasaki FR651V 22 HP v twin. It just started surging as low RPM. I have clean 100% gas, fuel filter was changed about 30 days ago and the air cleaner is clean and new. Looks like the governor is possibly the problem but before hauling to shop I wonder if there is another possible issue causing the surge. Any ideas?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.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.Aug 2, 2019 · 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. The governor shaft on this engine does not have a slot. Issue 2. The manual says rotate the governor arm to open the throttle valve then rotate the governor shaft. For that to happen the governor rod has to be in place on the plate and the plate attached to the engine. With the plate attached to the engine the governor shaft is masked behind ...

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.

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.

Then lubricate the throttle cable. To adjust, loosen the locknut at the upper end of the accelerator cable. (under throttle grip) Turn the adjuster in completely so as to give the throttle grip plenty of play. Loosen the locknut at the middle of the decelerator cable. (see pic) Turn the adjuster until there is no play when the throttle grip is ...Hi Guys, I have a 61" Scag Turf Tiger that has the 27hp Kawasaki Engine (FD750D). The engine has a surge where the RPM will go up and down at idle. The throttle position doesn't seem to matter. It runs a bit smoother at full throttle but still surges some. When surging if I look at the side of the carburetor I can see the throttle plate fluctuate.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 ...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 ...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.I have spent 18 months working on a surging Kawasaki FH601V purchased new in 2004. Always stored inside and well-maintained. Ran perfect from 2004 through spring of 2022. Recreational gas was used at least from 2014 – 2022. In early 2022, at about 400 hours, surging began. I have read the fora 2-3 times, tried everything I know, and …

Aug 2, 2019 · 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. I am a homeowner with a Gravely 152Z which has a Kawasaki FH680V 23 HP engine with about 500 hours on it. ... Since then I tightened the low idle adjustment screw which allows the engine to keep running without surging or stalling, but when I went to full throttle, there was no change in engine speed even though the throttle cable is moving the ...O.S. Engines Support - Pumped OS FS-91 surges at full throttle - I have a pumped OS FS-91 which is running erratically at full throttle - it surges. It will run well for awhile leaving a visible smoke trail but then it sags and the trail disappears. This happens erratically. Sometimes I can get nearly a fuull flightI 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 ...4010 Throttle Body Adjustment. I took my 2016 Mule 4010 Trans 4x4 in for 500 hour service last week. to open a gate or something. When running at half to full throttle, it was fine, but would surge and run unevenly when at low RPMs. might arise again in the future.Recently purchased a used 2009 Vulcan Classic with 800 miles that had been sitting for a while. Noticed that it was having an issue going over 70mph, figured it needed some TLC. Checked the fuel tank, and low and behold, rust city! Cleaned the tank thoroughly, and rebuilt the fuel pump (motor and filter were pretty nasty).

2. Posted: Jun 2, 2020. Options. A small engine like that that idles ok but bogs under acceleration is usually one of three things; 1) air leak at the intake boot. A squirt of starter fluid at the boot while running will tell you. If it revs you have a vacuum leak.14,778. Apr 23, 2021 / Mower runs at low RPM at full throttle. #7. Could be that the throttle cable is not adjusted properly. Try this, move throttle control to full speed, and then loosen the screw holding the cable in place. With the cable loose push it forward as far as possible and then tighten the screw.

Fuel system problems or vacuum leaks through the air intake manifold are typical causes of lawn mower surges. Here's a rundown of the specific issues causing small engines to quickly cycle between idle speed and full throttle: Contaminated gasoline. Old gas or gasoline contaminated with water can cause engine surging. Clogged fuel tank cap vent.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 ...engine surging? Jump to Latest Follow 2K views 11 replies 3 participants last post by Mr78rm Feb 26, 200532. May 27, 2007. #1. I just got my boat (22' Regal Valanti 220, Mercruiser 5.7L, Alpha One) out on the water for the first time this season today. Things started out great, then after a while I started having a problem, and I was hoping someone might be able to help me out. When I was at a higher throttle setting (3500-4000 rpm), the motor ...O.S. Engines Support - Pumped OS FS-91 surges at full throttle - I have a pumped OS FS-91 which is running erratically at full throttle - it surges. It will run well for awhile leaving a visible smoke trail but then it sags and the trail disappears. This happens erratically. Sometimes I can get nearly a fuull flight#1 · Sep 7, 2019. 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 …Cub Cadet ZT2 54" deck. 5 hours on engine.

Go ahead and remove the filter, run the engine, if the smoke clears, replace that filter. Check Air Filter - Wet or dirty filter is a common cause of black smoke and it's easy to check. Clean air is as important as fuel. Filtering the air before it enters the engine prevents grit from damaging the carburetor and engine components, it also ...

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.

Tractor does NOT surge at idle, nor with the choke on, but it does at full throttle. Tractor does not surge at idle with air cleaner lid off, but does as soon as I tighten it down. It surges about every 5 seconds at idle, about every 2-3 seconds while moving without blades engaged, and with a load/ blades engaged it either doesn't surge or the ...Do you know How to Protect Your Property from a Storm Surge? Keep reading to learn about storms and How to Protect Your Property from a Storm Surge. Advertisement Long before satel...Aug 21, 2017 / FR691V 24 HP surges and dies under load and or when hot. #2. Something most folks never consider is the fuel hose has braided nylon string in the middle of the hose. The hose can feel strong, not soft spots anywhere on it's entire length. However, a fuel hose can have a small spot anywhere on the inside that turned loose from the ...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.It violently surges at full throttle. Runs fine at idle and mid-throttle. I have done all I know, and now am stuck. Background: I recently purchased a used 1997 Craftsman GT, 917.258921, with a 25hp Kohler Command Twin, hydrostatic drive, and 50" deck. Engine is CV25S, Spec: 69511, Serial: 2633205137.2012 Brute Force 750 surging half throttle. Recently by bike when I go above 1/4 throttle it starts to surge. Same at idle and stopped. idle fines and at 1/4 throttle. goto half throttle and it starts this consistent surge like its starving for fuel but its not a bog just surges up and down at same rate. I replaced fuel pump and dirty sock at ...194 posts · Joined 2009. #1 · Jun 11, 2015. Hey guys my local dealer sells Ferris mowers and I purchased 2 new 3100z's with the relatively new Kawasaki 37 hp DFI. I was wondering what experience you all have with them. My first mower had to have a new motor put on it at 200 hrs due to scarred Pistons. Now both of them have been acting up ...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 ...1 post · Joined 2017. #1 · Aug 3, 2017. I removed and cleaned the throttle body on my 2010 Silverado LT and now i'm experiencing an engine surge when I come to a stop. The RPMs jump two or three times and the truck jerks before coming to a complete stop. I also have bit of a high idle when I start up, and it hangs around 700 for a couple ...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.

Jun 20, 2019 · 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. 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 ...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.A simple fix for a surging John Deere X300 or any mower with a twin Kawasaki FH491V 17hp engine. This one turned out to be a very simple repair. I also exp...Instagram:https://instagram. gang talk examplessutherlands liberty moedgar cut taper fadeswgoh proving grounds ben solo When a Kawasaki engine revving fluctuates, this is known as “surging” and it is a direct result of inconsistent volumes of fuel and air being delivered to the engine’s combustion chamber. The problem will lie with the fuel filter, injectors, lines, or the carburetor. Remember, combustion requires both fuel and oxygen. centurylink down in denverlucke rewards winners 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.Messages. 2. May 8, 2015 / Surging on new Briggs. #1. I bought a zero turn mower with the 25 hp Briggs professional series engine (model 440000) that is 6 months old and has 8 hrs on the clock. After I changed the oil to 5w-30 synthetic, it started surging when it is not under load. Is this just a coincidence or could changing to synthetic oil ... moselle rd islandton sc murdaugh While cutting under full throttle and deck clutch engaged, the motor runs great. When I disengage the clutch the engine/governor surges up then down regardless of the throttle setting. I have put in new gas along with some SeaFoam cleaner, full tune up (plugs, air filter, fuel filter, oil change) and checked the gas cap.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.