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A clogged or dirty air filter can restrict airflow, leading to an unbalanced mix that bogs down the engine. Regularly inspect and clean your air filter or replace it with an air kit to ensure optimal air intake and engine performance. Contaminated Carburetor: Another common issue that can lead to bogging during acceleration is a dirty carburetor.5 posts · Joined 2014. #1 · May 25, 2014. My Hustler 60" deck Mini-Z has a 23HP kawasaki FH680V engine that has a problem no one has figured out. It has run great for 750 hours but now after about 15 minutes of operation under load the engine starts to surge for 20-30 seconds and then shuts off. I noticed that the governor arm goes up and ...Mine was either 4.76 V or 4.99 V (spec: 4.75~5.25 V). With input at 4.99 V, I set maximum throttle output to 4.22 V (spec: 4.2~4.4 V) by turning main throttle sensor counterclockwise, to have idle position setting at 1.031 V, and within standard 1.005~1.035 V (after engine is warmed up, with idle set at 1300 rpm).#1 · Aug 11, 2013. I am trying to figure out if the, off/on throttle, engine lurching is my poor technique or the fueling is too lean just off closed throttle.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.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 ...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.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. Ariens snowblower surges at full throttle. I have an Ariens 524 snoblower with a Tecumseh 5hp motor. When I got the snowblower it wouldn't run without the choke on. I cleaned the carb and it will now start and idle fine. The issue is the engine surges at full throttle. The carb does not have an adjustable jet screw.Kawasaki FX1000V EFI problems. Hello all, just bought myself a brand new Spartan SRT-XD with the above mentioned engine, 38.5 hp. First half hour of the day went great, wasn’t mowing anything too crazy, then started having engine issues. Every 15-25 minutes the engine would lose RPM’s and nearly die, backfire, and then resume normal …1. Make sure the carby is clean internally, just because it is new is no guarantee. 2. Hold the governor open to full throttle, if the engine is able to accelerate and maintain higher revs, then the engine is getting sufficient fuel, so the main jet is not the problem and neither is fuel flow from the tank. 3.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 flightJan 19, 2012 ... It's free to interact and gain full access ... throttle). The cart "jerks" but essentially ... I have a 2004 CC 272 Carryall with the 400cc Kawasaki&...Answered in 4 minutes by: Technician: Ranwell1. As engines sit or get older, fuel that is left in the carburetor can turn to gum and varnish and cause this and other problems. Also, any gasoline that was left in a gas can for a period of more than 30 days must be discarded because it also has begun to turn to varnish.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.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 ...My Hustler super z 72 in cut with kawasaki engine surges then stalls after getting warm. Will run fine for a half hour or so. I can sometimes keep it running by pulling the choke out. i am certain it is a fuel delivery problem. My local small engine mechanic changed the fuel pump and solenoid, and cleaned the carb.Kawasaki tells me that thier big block engines (29 to 37 hp) have the "tendency" for the rocker arms to become "slightly" misaligned on start ups. Which would make total sense. But it makes me iffy sometimes. But now since kawi came out with a 3 year warranty on their four stroke engines, thats some good re-assuarance.Kawasaki 921 V lawn mower engine surges and backfires at low speed runs fine when you turn blades on ... I noticed several weeks ago that it wanted to surge and not run at full throttle so the first thing I thought is that I had got some ba ... The mower has started surging when the throttle is at low speed. When I increase the RPMs the surge ...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 ...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 ...

DF20A rpm's drop and surges. 07-27-2020, 02:18 AM. I have a 2019 DF20A which is 1 year old and about 75 hours on it. The motor starts and runs perfectly at low speeds. When I fully open the throttle it runs perfectly for about 10 - 11 minutes and then the rpm's drop from 5900 to around 52-5400. If I pick up on the throttle lever 1/16" it picks ...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.Can an engine with a fixed throttle be converted to accept an adjustable throttle? Solution. The engine manufacturers design these engines to operate at peak performance at a fixed rpm setting. Air cooled engines operate more efficiently and at lower temperatures when the engine is operating at full speed. Please DO NOT attempt to alter these ...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.

Engine dies at 8500rpm. ?? - Kawasaki Versys Forum I measured its voltage output, but you could more easily measure your main throttle sensor's resistance across its full range, to confirm if its not smooth and progressive as it should; With an ohmmeter on the upper and middle prongs on the lower grey throttle sensor after pulling out its ...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...May 14, 2012 · Use a 15/64 drill bit and put it thru both holes to hold the throttle in place. Loosen the 2 cap (10mm) at the top of the throttle plate. The holes are slotted to allow you to move the entire plate toward the carburator (slower engine speed) or away from it (increasing speed). …

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. It has the kawasaki fs600v 18.5 hp motor on it. Currentl. Possible cause: Remove your Mule's throttle body. Spray it down using WD-40 Carb & Throttle B.