Kohler Engine Surging At Idle - Kohler KT745 starts runs until hot, surges, dies : r.

HP 44 Craftsmans II (HULK II) 1988 18. A constant speed unit is normally controlled. Hi just trying to get info on my L130 48 inch deck w/ Kohler Command engine. Apr 28, 2022 / Kohler KT735 on Hustler Raptor running rough/losing power. After you try these solutions, open the choke and turn on the snowblower. This engine does not have a choke. HP 44 Craftsman II (BOH) 1983 Ford LGT 145 (Blue Money Pit) SOLD 6/27/2014. One brand that has been trusted by profess. Run the engine for 2 minutes to circulate the fresh gas. 2 Check The Carburetor For Dirt And Debris; 2. It does not have an idle circuit as it runs only at full bore. Hearing a lawn mower engine popping sound can be startling. Turn the key switch off, or push and hold the stop button until the engine stops. se625 vs se630 CV730, surges when idling, at both low and high speed, but not under load. Mechanic's Assistant: Do you know the model of your Lincoln welder? How old is it? You said that the engine hunts and surges in high idle while welding. Make sure the carby is clean internally, just because it is new is no guarantee. craigslist yuma pets goddess scrolller It has a kohler engine Model #CV16S, type # XXXXX The engine is surging under non-load conditions with the governor lever … read more. If it is a Carter carburetor, turn both needles all the way in until seated, then back them out 2-1/2 turns for the idle, and 2 turns for the high speed. Cub Cadet XT1 - Kohler 725 surging. Dec 28, 2011 / Engine Surge 20 HP Kohler Command #6. fit to be tied ankeny Need help with problems after overhauling carb. Comments72 ; Kohler Courage surging hunting (my fix) - idling up and down - running rough. I replaced the carb with off-brand, new plug, new air and fuel filter, and. 2005 300DA, Garmin 740s w/Vision Charts and GMR18HD RADAR. Add Kohler PRO Series fuel treatment or equivalent to fuel tank. Kohler CV25 Surges on cylinder #2 i am having issues with my CV25 surging above low idle. Also make sure the choke is fully opening. It can also happen if you operate the mower with the improper engine oil viscosity. So we just got our first Lazer Z mower this past week! Very excited about it! All we know is that it was used on a gold course and has 2550 hours on it, I think it is a 2012, it is a S series with 72" deck. The engine is surging a lot at idle, but as soon as I put a load on it by turning on the …. Just trying to remember if this it normal or. Engine runs fine for about an hour. with a Kohler KT735 engine (with the smart choke). 5hp idles but stalls at full throttle. When it comes to maintaining and repairing your Australian equipment, having access to reliable and high-quality engine parts is crucial. One of the main reasons that engines stall is because of dirt and debris getting lodged into the carburetor. I have the 54 inch grass cutting deck engaged. Carb is good right out the box. Check fuel tank cap for vent OK. Use the wire from a bread tie to gently clean the inside diameter of the main jet and idle jet. I have a Kohler 7000 series engine and it runs rough and low power under load. How do I stop the surging? Menu. From visual inspection the fuel lines seem fine. If I open the throttle whilst its still running it runs up to maximum speed with no problem, but the high speed without load sounds weak and. Be sure to measure the sensor output by measuring across the pins and not between the pins and ground. R56 surging and stalling during warm-up Vehicle is standard R56 2007 mini cooper (not 's'). Make sure that the idle speed is set to the manufacturer’s specifications. What happens is the "Air vane" will partially open the choke once it gets started (due to the wind created by the flywheel). Have to say I'm not impressed with that engine compared to the carburetor Kohlers I have on my other loaders. Common issue causing surge in MANY small engines. Brand new carb, checked both coils with testers and there both good. Apr 17, 2017 / Engine surge at idle and mid range RPM. Hold the lever and clamp in this position while tightening the screw. The engine will not run unless the choke is pulled fully out and then if sitting under no load the engine hunts and surges. We pack tons of different things into our schedules and then gloat about how busy we are. Caution: Make sure the fuel is below the maximum gauge level. I saw a video about an idle mixture screw to solve this. Husqvarna - RZ5424 with 24 hp Briggs and Straton Endurance engine. Either way, the flow of fuel to the carburetor is restricted and causes your lawn mower engine to surge. My Super Z with 87 hrs has just started to have an engine speed that surges constantly when it is not under any type of load. Kohler SV600 Engine Surging As winter is winding down, I pulled out the lawn tractor to prepare for some lawn work. homemade tractor log grapple I will walk through how to fix it and what to do. 2005 Kohler 5e Generator issue - Pulsating. On my lly had the issues of ran fine when cold but when warmed up would limp mode when accellerating. Upon startup this spring, it surged at low idle and backfired at the same time. The engine is Surging - Have Changed Air Filter, Fuel Filter and Ne … read more. I have a problem with my 27hp twin cylinder kohler that it sometimes stops firing on one cylinder. Back in the early spring, I purchased a new coil for the KT-17 on my Ariens from a guy on E-Bay for around $100. 3L manual five speed transmission 250,000 miles. Like other small engines, mowers rely on a precise volume of gasoline and air for smooth operations. I've tried adjusting the only set screw, the low idle (I believe) adjustment and nothing. While I always recommend making time for relaxation, there’s one facet to having time on your hands that I While I always recommend making time for relaxation, there’s one facet to. I have a Kohler K341 16 horse cast iron engine on a Allis 716 tractor. This also occurs on some Kohlers and Honda engines that use carburetors which have the Plastic Slow Idle Speed Jet. Installed new carb, test ran great for 45 minutes. Mower has less than 30 hours on it. Tiny holes get dirt i them in the carb. Also check the mounting flange for leaks by spraying with wd-40 at idle. An extremely high voltage surge can damage major appliance motors and totally destroy sensitive electronic equipment. You spray it in the intake with engine running, even to the point of killing the engine. If it stops surging the problem is the governor, if it still surges it's your carb. Loose wires don't work well there. I cleaned carb,replaced the two o rings and the gasket to the intake. During 2nd year of mowing, it started to surge when the engine is at mid r … read more. However, when the PTO switch is …. After reassembling everything with motoseal on the gaskets there is no surging. It has a manual choke (cable type). Start the engine and advance the throttle to the "Medium" position, let run for five minutes to allow the engine to reach operating temperature. elysian artistry salon Briggs Engines: To adjust the governor on a Briggs and Stratton horizontal shaft engine, you would loosen the nut on the governor arm and push the governor arm down, clockwise. It violently surges at full throttle. To adjust top speed you loosen bolt circled in green and with the throttle set to fast or rabbit move cable in or out till the desired RPM is reached. iv therapy post test ati All the way to 3000 the engine runs fine. Kohler engines are easy to work on, and in many cases, just a few minute’s …. I used fresh gas and the tank has never held gas before. Oct 27, 2014 · Oct 27, 2014 / surging engine problem on a kohler 25 hp Pro #2 Kohler Engines: Owners and Service Manuals: Manuals and Maintenance Locate your engine numbers and click on service manual, troubleshooting section. A lot of symptoms are engine stalling and backfiring, difficulty starting the vehicle, poor acceleration, and a rough idle. We have used the mower twice on a 4 acre lot. I have a one year old Husqvarna 24 hp with a Kohler V twing SV725 engine. 7045 S Problem: Difficulty starting - has to crank over for more than 20 seconds to "catch" and fire, then surges at high idle. The kohler engine on my riding mower begins surging after about 20 minutes of running. The breakdown of the engine code is as follows:. Smoothes out with choke pulled 1/4 way out. $20 all you can eat sushi near me Add a fuel stabilizer to the gas tank (manufacturer's recommended mix ratio) and top it with a full gas tank. Last fall it started running lousy and surging, then I couldn't get it to start a few weeks ago. So two sides to this, too much air, leaks ? or not enough fuel or both. Maybe I never noticed it since I was more excited about the new bike and maybe now I'm starting to listen to the bike. (maybe once a second) as if your tapping quickly on the accelerator. I never got a check engine light but I borrowed a scan tool from a friend and pulled the following codes: P1690 (wastegate …. I'm sure that kohler makes it run as lean as possible from the factory to meet e. Tried resetting idle and high idle screws. Are you tired of struggling to start your Cub Cadet mower, or other equipment that uses a Kohler 7000 series engine? You're not alone, many people have exper. I fought with a surging 5E for 2 years. 10mm Socket · 107K views ; I didn't believe it myself!. to/2CJemQj**Get The Black MM-80 Mini Bike: https://amzn. I hope one of you fine folks have a suggestion or two for me. Cleaned the fuel system and direct fed fuel to carburetor. Kohler Home generator not operating properly. 276021) lawn tractor that needs a new engine. Kohler Courage 18 - Stop the Surging. This mostly occurs due to locked vapor in the carburetor, dirty air filters, a malfunctioning cooling system, and insufficient oil or lubrication. Apr 4, 2012 · Kohler engine surging. One of the most common issues to plague generator owners is the dreaded “surge” or “revving up and down” of the engine. 3 Inspect And Replace The Starter Gear If Necessary; 1. Briggs & Stratton Nikki V Twin YTH yard tr. The mower surges at all speeds, more so at high idle and vice versa. Check the IACV: If the engine’s idle air control valve (IACV) is jammed, clean it using the throttle body cleaner. acree davis funeral home toccoa ga obituaries I have an older k301s 12hp engine with running issues. But there is a Low Idle Adjustment Need. Took it down to idle, adjusted idle, and everything was working good. When I back the throttle off, it runs to slow and quits. razor dirt quad control module Changed plugs, drained tanks,cleaned and added one gallon to each tank after blowing fuel lines. Come back later and restart engine, and get rid of all the insects in the area. Start with the fuel filter first, these should be changed atleast yearly. It features a 3 year, unlimited hour, limited warranty. replace any disassembled gaskets - do not re-use. I did the following: Drained the fuel tank and lines and flushed them (smelled like varnish) Replaced fuel filter Removed carb and cleaned it Replaced air filter Cleane. Most of the time the bike idles a smooth 1000 rpms. Jun 12, 2016 / Lazer Z surging engine problem. Inspect Linkage and Springs: Look for signs of wear or damage and replace if needed. Have a 20 hp Kohler v twin that is surging bad. Disassembly, Cleaning and Repair of Briggs and Stratton/Toro/Lawn-Boy 2-Cycle Plastic Carburetor. May 7, 2015 / Kohler Command Pro 26 EFI backfiring Problem. The Belkin Conserve surge protector protects all your electronic devices from power surges and comes with a remote control. Now engine surges, governor won't stabilize at any throttle setting. This can happen when the generator is under load or when it's simply at idle. Engine will surge to the point of backfiring and eventually die. The engine will not idle at the normal low speed as it did when new but it will idle at higher speeds as long as it can surge. The drive shaft bolts onto the flywheel and there is either a nut or a bolt holding the flywheel onto the crankshaft under the drive shaft adapter. « on: February 17, 2020, 08:59:06 PM ». Have Scotts 1642h Lawn Tractor with Kohler CV16S-43526 Engine. At the very least, just clean it out and disconnect the battery for several minutes to clear the PCM. 5hp Briggs that backfires every time it is turned off (on a Yardshark chipper) but runs fine otherwise. land for sale near me for mobile home I bought this unit used about three years ago with a dirty carb. Bout the size of the end of a pen or smaller. Additionally, clean or replace the. That is the throttle that the arm operates and not the choke. Jan 25, 2021 · Jan 25, 2021 / Kohler 7000 KT725 won't idle, always full throttle. It will not idle without surging. Re: Kohler surging in reply to stronics, 08-15-2007 18:07:50. Disclaimer: Under no circumstances . When I put away for winter, I changed oil, drained tank. Used it yesterday and ran perfect, today it’s surging at idle, but perfect under load. Sno-Tek Snowblower Surges?Today I show you how to fix a Sno-Tek Snowblower surging issue. busted newspaper walthall county ms fundations clip art Here are the most common reasons your Kohler small engine stops after a few seconds - and the parts & instructions to fix the problem yourself. -When I clamp off the hose to the IACV, the engine stops surging and holds a steady …. I’d try running the engine on idle to see if it stalls. A bad idle control valve can also lead to fluctuations in the RPM. Kohler PRO 300 Hour Oil Change Kits. When it comes to maintaining your Kohler engine, one of the most crucial aspects is choosing the right engine oil. Most likely you have a governed idle system. By watching this video, you will see the fix to my surging motor. " If your surging mower is a Honda, check out the "Honda mower surging video. The issue is on a woodlands mill hm126, fitted with a kohler 9. Apr 8, 2017 / Kohler Courage won't throttle down. The next time I stopped the engine would surge between 200rpm and 1200rpm. If increased slowly it will not stall at full throttle. Engine will run, but it surges, hunts for a constant RPM 1. I have the original M20 on my mid 90's 20G. Any ideas? Mechanic's Assistant: Do you know the model of your Kohler engine? How old is it?. Engine Model: Kohler 7000 Series KT725: Engine Type: 4-cycle twin-cylinder air-cooled gasoline engine: Total Displacement: 44. He put a new carb on it but it still does it. Any ideas? Has new plugs, new fuel and air filter. " The engine speed changes dramatically repeatedly below 2200 RPM It will jump from 800 to 1500 down to 1200 up to 1800 and so on. After draining all the fuel, adding new non ethanol and running it for about 20 or. I do not believe the governor sensitivity adjustment is. When the throttle cable is on choke it has to move the choke butterfly to close it. Before making any carb adjustments you need to let the enigine run for about 10 minutes, at idle set the adjustment low and right as the engine wants to die due to low rpm's, start increasing it till it's smooth. 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. I have a Enduro cub cadet riding mower, and 2 days ago, i had to punched the PTO blade off to avoid an obstruction suddenly, and after that incident, the engine would surge when the PTO isn't engaged. Turn the adjustment screw back and forth until it reads 1450 rpm + or - 75 rpm. So the idle circuit seems to be working but wide open is surging. When the engine is run at full throttle, especially under load, the air flow is much greater, which causes more back pressure, and results in the engine stalling. Fast idle speed also causes Kohler …. Surging is the idling up and down in rpm. It is doing this more than not now but if i stop the car and restart the car sometimes it will stop doing it and idle will be normal. Currently it runs fine at high rpm but if I lower the throttle at all it begins to surge up and down. It has a Kohler CV15S engine on it. I’m working on a riding mower with a 20 hp Kohler courage single cylinder engine and its surging. #1 · Jan 21, 2013 (Edited) Hi folks, I'm having an issue with my home generator surging and pulsing. If your Kohler lawn mower engine is surging, it is likely caused by a blocked idle jet or an unsealed gap in the air intake manifold. Surging or erratic idle may also be caused by a faulty carb or vacuum leak. walmart distribution center jobs williamsburg va more than like that is a bad FPR (fuel pressure regulator). @jeffpattersonmadcityvideos3413. Got it running again and played with the adjustments and all of a sudden started running smooth. When it kicks off of high idle, the idle starts surging from 400 to 1200rpm. manufactured durab (RTTNews) - A report released. Over time that bend gets soft and develops a hole (be sure to check all other hoses too). best sweet red wine walmart All Kohler diesel-fueled engines are approved to use HVO. After the engine has cooled down, you must remove the wire from each plug. An en gine running without a load is acually running on the idle circuit of the carb, when you apply a load to the engine. I've talked to a guy about putting a new coil it but he. Put the jet back on and try the snow blower. This also occurs on some Kohlers and Honda engines that use carburet. As winter is winding down, i pulled out the lawn tractor to prepare for some lawn work. Idle surge is a characteristic of a failing FPR. I have a Walker Lawn Mower with a Kohler Command Pro 26 EFI engine in it. Carb was leaking so I got a carburetor kit and installed it. It actually stalled after a while. Mine would surge regardless of throttle position, but it was definitely more noticeable when the engine was running slower or at idle. Change the oil and clean air filter as recommended. I have a frustrating problem with my Scag and am sure hoping you can help: It is an ~8-yr old Scag Turf Tiger with the 27hp Koehler engine, with ~300 hrs. The Kohler SV725 engine has an OHV (overhead valve) design, vertical PTO-shaft, and pressurized lubrication system. Oct 31, 2009 · Outdoor Gasoline and Electric Powered Equipment and Small Engines - surging on my 23 hp Kohler - I have a craftsman tractor with 23 hp Kohler ovc engine. Adjust the Idle Speed – Another critical step in troubleshooting the carburetor is to adjust the idle speed. Mar 12, 2014 · 360lawncare Discussion starter. If this engine is operated at an altitude of 4000 ft. 99% of the time surging is caused by that. The main fuel adjustment is the screw on top of the carburetor. beckley herald obits Dirty or Worn Needle Valve, Float, or Gasket: Clean or replace the needle valve, float, and gasket to prevent further leaks. The rubber mounts look good and the bolts are tight. The engine can also have carburetor failure, rough running, and oil leakage issues. I have a Kohler courage 25 and it is surging at low idle and little bit wot cleaned to carb and fuel bowl still doing it talked to the local shop and they said next is …. Pressure washers surge during idle because its filters are blocked, the carburetor is clogged or there is a defective spark plug. Reason #2: Clogged Vent of a Fuel Cap. The thermostat will then fully open, and hold, the choke open once it warms up. I believe it's either a 16hp or 17hp on a 48" Exmark TTHP probably 7 years old. Hello everyone, I am currently working on a friend's riding mower with a 22HP 724CC Briggs Intek V Twin motor and it suddenly started surging. I ran some Seafoam through it and it stopped the surging. Aug 28, 2014 / Kohler engine surging. It ran fine when I finished last season. This is because there is less air moving through the engine at idle. Another good indication that your spark plugs are dirty or worn is if your vehicle experiences surges of speed, resulting in a jerking acceleration. Jump to Latest Follow I have found idle jet might cause surging on top speed , no load but under load the fuel is pretty much all from main jet. Check the PCV valve and hose to the intake manifold and grommet on the valve cover. ) The Closing of the Muslim Mind Robert R. Perform the static governor adjustment and see if that takes care of your surging. The Kohler EFI engine can have rough idling issues due to faulty sensors like MAF and TPS, vacuum leaks, and a dirty fuel injector. Step 4: Install a new spark plug. This slider will help you fine-tune your idle. 2 cu·in) V-twin air-cooled four-stroke internal combustion gasoline engine from the Courage series, manufactured by Kohler Co. It will last about 10 - 15 seconds, then go back to normal. How to remove and clean a Briggs & Stratton riding lawn mow. How to repair an engine carburetor that surges, hunts, pulses or waffles. Started it, it didn't sound right, started Surging then stalls out. Feb 18, 2018 / 22hp V-twin STILL surging. Hey Guys/Gals, Mill is running not so great. Only had to walk half a mile to get a gas can. Granted, an uneven idle condition can be found in many different engines. Jun 6, 2018 / my TORO has started "surging / hunting" when idling. Unfortunately, it did not improve the operation of the engine. also make sure that there is slack in the throttle cable when the engine is at idle. If you want lower operating costs and less downtime, the fuel-sipping KOHLER® Command PRO® EFI is your engine. Predator 2kw inverter generator surging at idle. Clean or change the fuel line & air cleaner if necessary. Advertisement If more voltage is introduced than an elec. freedom plasma compensation amount Jul 27, 2020 · I had the same problem a couple of times on my XT2 with Kohler 7000 series. Sep 11, 2012 / John Deere L120 Engine Surging. However, when the PTO switch is engaged at full throttle, the surging immediately goes away and the engine smooths out. I'm trying to fix my John Deere riding mower. The problem was an air leak in the two piece intake manifold. hallmark store oceanside Thank you for watching!! If we helped you out and you want to show your support - LIKE, SUBSCRIBE or give us a shout out below. Oct 15, 2022 · 2008 Cub Cadet LT 1045, Kohler 20 HP single cyl. But I'm starting to notice a surge in the idle. She just let me know that it's acting up on her again. If This Doesn't Solve Your KOHLER Mower Engine Starting Problem Watch Video I Made About How To Fix Another Common Starting Issue On KOHLER Mower Engine Vide. Show Printable Version; 01-13-2023 #1. If a snow thrower engine is not operating as a it did when it was new, then probable causes to this issues are most likely fuel or fuel line related. It can cause a rough idle, an engine misfire, and a surging idle. Engine lacks power at high speed. After that, start the tachometer with a four-cycle engine. Follow us on to find the latest updates on our products. Attempted to clean out the the EGR valve and ports and the check engine light came back with the same code. I have a 1997 John Deere STX38 lawn tractor with a Kohler 12. The truck has a fairly strong diesel fuel smell in the exhaust but does not smoke at all. Check and change the fuel filter. I have a 1995 Walker MT which has been repowered with a carbureted Kohler Command 23 hp. To fix Kohler Courage 26 Hp Engine Problems, here are the at-home solutions below: Clean the fuel system. Some small bits of something in the carb. I have 2001 Frontier 2WD with the 2. If you don't get any response from that, then gently turn the screw clockwise until it stops, making note of the # of turns. Other causes can be attributed to a lean fuel mixture, incorrect valve lash, intake leaks, and exhaust leaks. First, start the engine to keep it for 5 minutes on standby mode to reach the operating level temperature. Ran fine for a while then started surging badly. GM V8 Tuning - Engine, Gas (Gen 4) Surging around idle; Results 1 to 17 of 17 Thread: Surging around idle. When you hear that sound, it’s important to get to the root of the problem …. Over the course of several months, I tried new vacuum lines, IACV, PCV, plugs, wires, thermal plunger, and MAF sensor. Just starting to use our new Brandt conveyor with the Kohler EFI engine on it. Finally, Adjust the idle Speed. After changing the fuel or injecting fuel cleaner run the lawn mower as usual. This also occurs on some kohlers and honda engines that use carburetors which have the plastic. Measure the MAF output at pins C & D on the MAF connector (dark blue/orange and tan/light blue) or at pins 50 & 9 on the computer. Recently while mowing the engine stopped without warning. Hello -- My friend has a 16HP Kohler vertical shaft on his Craftsman lawn tractor that has started to do something odd that Im hoping the experts here on Red Square have some ideas on. Has about 900 hours, Has not been run in about 3 years Water in the engines fuel system will often cause hard starting, low power, backfiring, surging or stalling. When parked last fall, it ran perfectly. First I’ll give a run down, I have a an older model miller trailblazer 301g with only 801 hrs on the clock currently. I have a Ex-mark with a Kawasaki FH580V 19 HP zero turn that was running rough for a long time. When it comes to reliable backup power solutions, the Kohler 20kW generator stands out as a top choice for homeowners and businesses alike. Removed carb and placed it in ultrasonic cleaneer through four cycles then blew it out with air. If the engine is still surging, inspect the. Filled the gas, now it won't run smoothly (full throttle) without a little choke. Typically fixing a vacuum is a simple process of replacing the part that is leaking. I've run into this issue on two Gl1500s this year. If a lawnmower engine surges or stalls at idle, it may be running too quickly or too slowly. Remove the old spark plug with the help of a spark plug socket. Inspect the flexable fuel lines from the tank to the fuel pump, if there is even the tinest air leak, surging, hard starting, and infrequently small drops of fuel. It has slowly started running rough. high idle smoother but low idle rough. Rev the engine to about 3000 rpm and release the throttle quickly. The battery should produce enough to make the solenoid magnet pull the core in, and open the valve. )-new fuel filter (can see fuel leaving to fuel pump)-new air filter. When it comes to maintaining your Kohler engine, one of the most important aspects is choosing the right oil. At the first occurrence of a misfire, you should head to a mechanic to have your engine inspected and your spark plugs replaced, if necessary. Thanks for any advice! 24hp Kohler 7000 KT735 Kohler has done this for years. Engine starts immediately now but continually surges. Kohler 7000 series KT25 with 55hrs. The engine starter spray will immediately have an effect, replacing the air being sucked in with a combustible substance. They are designed to operate between 1500 and 1800 rpm. This is the only other thing I suspect out of this situation. At idle the engine slows down and picks up (surges). used truck parts iowa The sputtering seemed to only occur after the engine warmed up (about an hour of cutting) at first but over the. As a general rule, a portable generator will surge at idle due to a clogged or restricted pilot jet on the carburetor. Idle air control valves can be tested for resistance, mechanical function and valve triggering with a digital multimeter. It's better now, but once it gets to the point where it starts to surge (this usually takes 15 or more minutes at 80 degrees ambient), if I stop moving, but leave the deck and grass catcher blower running it will die out. Engine and Exhaust Overheating Issue. You work your tail off 12+ hours a day. After a few minutes warming up the engine at mid range and full throttle surges. )Craftsman used 3 different Kohler engines on this model. Starts nice, but has only two workable throttle positions, slow idle and full rev. The idle surges from around 500 rpm to about 1500 rpm several times a minute. It's in the position of the governed idle spring but I don't think it's the spring that goes there. I've removed the carb, soaked it in parts cleaner, used carb cleaner to b. I have an Exmark walk behind with a Kohler command 14hp recoil start. Remember that on the TB for a 2003 there is one extra bracket to remove (secures the TB to the lower part of the intake manifold), there are 2 small bracket bolts on top of the TB, and the TB bolts are 12mm vs. Feb 29, 2016 / LT133 13HP Kohler surging at idle #4. I have changed oil, oil filter, air filters, fuel filter, and sparkplugs, replaced two carburetor gaskets and the heat deflector gasket, put in fresh fuel, and the engine was running rough. My Troy Bilt riding mower engine was surging while running and this is how I fixed the problem. The 17-horsepower Kawasaki is a single cylinder, air-cooled engine.