Kohler Efi Running RichFrom your description I'd lean toward ignition as well, If it is "skipping" it will run rich from not being able to burn the fuel in the " . I have been playing around with my Holley HP EFI TBI 550-402 and seeing how smooth I can get the idle and was wondering how close to 'that as good as it's going to get' with my combo. Kohler Marine Generator Troubleshooting. I found the plugs were dry, black soot covered. (EFI flooding) “electronic fuel Injection” The EFI system as 2 weaknesses, It don’t know the motor or spark are bad, so mindlessly injects fuel. G' day guys, perplexing problem with the rear cylinder running very rich at start and idle. Over fueling has to be too little air or too much fuel. Even back in 1979, Case specified SAE 30 or 20w40 for temps above 30degF for the Kohler K241 10hp in my little Case 220. Richer mixtures are also used in engines with marginal cooling systems, as they work well at cooling an engine. Any other tech ran across this ? Engines has new muffler and o2 sensors put in few months ago. Backfires occur when burning fuel enters the engine or the exhaust. Generally, one or maybe two cylinders running rich or lean would indicate problems with the injectors, running rich or lean on all cylinders generally (99% of the time) indicates a prolem with the system. My winter project is the repower of an Allis 918 (Sovereign 18) - and I am sticking with Kohler. 14 inch diameter, Steel 3-blade. I have a grasshopper 727 efi with a Kohler ech749-3033 engine. I have a Walker mower with Kohler Command Pro 725cc EFI CH735 engine. In these cases, running without enough fuel enrichment can cause overheating. (this is all I need to know!) The engines EFI system is tuned to inject fuel on "Swept Volume", so if compression is at an anemic 80 PSI (1/2 normal), you effectively have an 800 CC motor. Store gasoline only in warranty repairs must be performed by a Kohler authorized dealer. Adding EFI to your Trailblazer welder/generator adds multiple benefits. The soot will find its way to other engine parts, further causing damage. (this is all I need to know!) The engines EFI system is tuned to inject fuel on “Swept Volume”, so if compression is at an anemic 80 PSI (1/2 normal), you effectively have an 800 CC motor. Started the engine and still was running really rough like it was on one cylinder. Kohler Efi Running Rich Starts and runs great on idle or full throttle, however, when PTO engaged, engine starts to stumble, blow black smoke and loose power. To prevent detonation and overheating, overly rich alcohol fuel mixtures are anywhere from 15-percent rich to 100-percent rich. When the fuel to air ratio is high, you will have the check engine light coming on. Starts easy, idles fine, low to 3/4 throttle no miss, at full throttle picks up a hesitation and with air filter off I can see gas dumping down throat. Mismatch at the header flange where the header is smaller than the cylinder head exhaust port exit will cause more reversion. Aug 26, 2012 #1 I have a Kohler CV26 EFI on a country clipper. 09-12-2021 · (EFI MAIN relay) - A/F sensor heater. Complete exploded views of all the major manufacturers. Clean air is as important as fuel. REPAIRS/SERVICE PARTS Kohler genuine service parts can be purchased from Kohler authorized dealers. Testing (O2) Oxygen Sensor Voltage Signals. Carbon fouling indicates a firm air-fuel mixture, poor ignition, or a thermal range that is inadequate (too cold). EFI-equipped Trailblazer machines are also up to 42 percent more fuel efficient than standard carbureted models, improving profitability. Chute Turning Radius (degrees). The fuel filter on all small engines will never show full when running. Re: Kohler efi 29hp surging issue by Luffydog » Fri Nov 10, 2017 9:41 pm yes that was what I was saying in the first post I made except I put the wrong letters tps yes. Check Air Filter – Wet or dirty filter is a common cause of black smoke and it’s easy to check. Here is a more detailed list of the symptoms of an engine running rich: 1. Adjust gap, see specifi cation table for adjustment. I watched them all while trying to decide on whether I got a Bobcat 260 EFI or not. Once the engine is warm the backfiring [and what a backfire people are diving for cover] dissappears and the plugs read a lot cleaner but let the bike idle for a minute or two the rear plug fouls. Kohler Engines is a division of Kohler Company, founded in 1873 and headquartered in Kohler, Wisconsin and is a leading manufacturer of utility engines. Creating an extremely rich condition. ² Have a Kohler authorized dealer perform this service. The vertical-shaft gasoline engines range in horsepower from 20 to 25. Gasoline is extremely fl ammable and its vapors can explode if ignited. Kohler CH26-78511 26 HP Engine Parts. connections - PCV valve and hose - ECM. secondary and pulled my hair out tuning it, in the end it turned out the secondaries were open too far (1 turn) backed it off and reset it just off the. ³ Option only if using KOHLER ® PRO oil and PRO fi lter. 25 Hp Kohler Command Pro Engine Problems. GENERAL SPECIFICATIONS3,6 CH940 CH960 CH980 CH1000 Bore 90 mm (3. Closed and open-loop conditions apply only to fuel-injected engines. With closed-loop electronic fuel injection, the KOHLER® Command PRO® EFI engine saves gas and reduces downtime—giving you the power to cut costs and cover Kohler command pro EFI. undera load rpms drop almost to a stop then it picks up again for a short distance. Gasoline is extremely flammable and its vapors can explode if ignited. Closed-loop electronic fuel injection saves you big on gas and covers more ground between fill ups. Even though it's fuel injected something could be wrong in the throttle body. 5/124mph -with a "top fuel" timing curve *61" Scag Kohler 22hp 7mph/*2019 Honda XR650 Dual sport. Re: running rich and rough under load on petrol. injectors, the engine will run extremely rich. look for the grounding wire that could be connected to either the starter bolt, a blower housing bolt, or something of that order. Was testing pump pressure and injectors leakage until I found out new hose testing adapter had a leak. Put in new air filter, fuel filter and new spark plugs. Motor oil is available in a variety of brands, grades and viscosity. If your engine is getting more fuel than it needs, a rich fuel to air ratio is the result. A dirty air filter will cause it to run rich also. Probably need to start using more methyl hydrate or sea foam in the bulk . Engine seems to be running fine. When engine starts hard, runs rough, or stalls at low idle speed, check these areas before adjusting or disassembling carburetor. Loading JACKS SMALL ENGINES HAS JOINED THE NORTHERN TOOL FAMILY! Learn More ». Replace unique Electronic Fuel Injection (EFI) fuel fi lter. If your surging mower is a Honda, check out the “Honda mower surging video”. At full throttle with pinched fuel line, engine smoothes out before stalling. Each ride now is going to be such an ease for you. Kohler courge sv720-0010 engine on cub cadet LT1050, Engine surges when in idle. If your engine is running rich, the spark plugs accumulate some black deposits at the bottom. The idle mixture screw really only affects the mixture at idle. Open Loop vs Closed Loop in a nutshell. Starts great, but after a minute or two starts to run very rich on one (or both?) cylinders and misses/runs very rough. The engine will run for a little bit, then flood out and shut off. 5 kohler engine runs for a while then it acts like it runs out of gas. Use the table below to determine if the engine is running lean or rich. Carbon on a spark plug causes many problems in that particular part and in the performance of your vehicle. Technical Specs for the Ariens Deluxe 30 – EFI. Air Cleaner/Intake Every 500 Hours or Annually¹. There is no fuel in the fuel filter. High fuel consumption and other operational lapses or. Search: Kohler Efi Engine Problems. 24 Electronic Fuel Injection (EFI) System 49 Governor System 59 Lubrication System 61 Electrical System engine is hot or running. The engine control module controls all the sensors, and if one sensor in your car will misfunction, it will light up the check engine light on your dashboard. However, I see that an EFI Kohler - like the ECH630-spec 3007 can be had for $150 less. The extra fuel has to go somewhere if the engine can't burn it. Kohler Service Bulletins SB-320_MODELS ECH/ECV630-749 POOR RUNNING DUE TO IMPROPER GROUND CONNECTION_REVISED 10/13 - Italian REVISED 10/13-ITALIAN Exploded View parts lookup by model. Exmark propane mowers feature state-of-the-art Kohler Command Pro EFI-propane engines, which can reduce fuel costs by up to 25-percent when compared to converted carbureted propane engines. It sounds like the engine is missing. With EFI, you’ll get faster, more-reliable starts in any weather — no choke adjustments needed. Also to know is, what causes lawn tractor to backfire? The Cause. Repair parts and diagrams for ECV749-3014 - Kohler Command PRO EFI Engine, Made for Exmark, 29hp, 21. what would cause the engine to suddenly run more rich than normal and is the popping a result of that. com 1 CV17-CV25, CV620-CV730, CV740, CV750 Service Manual 2 Safety 3 Maintenance 5 Specifi cations 16 Tools and Aids 19 Troubleshooting. Filtering the air before it enters the engine prevents grit from damaging the carburetor and engine components, it also. Once the engine is warm the backfiring[and what a backfire people are diving for cover] dissappears and the plugs read a lot cleaner but let the bike idle for a minute or two the rear plug fouls. If I turn off the PTO it won't die, but will still run rough at high rpm. I can hear like a miss every now and then. Description: This recall involves Kohler Courage twin-cylinder engines sold with three brands of lawn tractors: Husqvarna, Cub Cadet, and Troy-Bilt. Thread starter crater; Start date Aug 26, 2012; 1; 2; 3; Next. Download Kohler Air Cooled Diesel I looked on the Kohler site and they do not have the service manual with auto choke. i purchased the engine new in +- 1978 Robin EC10 two stroke here in South Africa our gardens have all been 1/3 to 1/2 acre, replaced. Large overlap cams and exhaust reversion will make an engine want a richer mixture. 6 kw) Kohler Command EFI 747cc Fuel Capacity Gas/10. "Landscapers, dealers and end consumers who have used EFI-powered equipment understand the maintenance benefits," Rich Koehl, marketing and quality director for Kohler, says. It's running rich which is probably due to something wrong with the choke. If a backfire occurs despite following the proper shutdown procedures, check for proper voltage. harhog said: G' day guys, perplexing problem with the rear cylinder running very rich at start and idle. I could go with the old-standard Kohler CH-18 spec 62638 (now PACH621-3013) at approximately $1650. Since you've got EFI, it might be a computer problem. We Sell Only Genuine Kohler Parts. 3) Pulled the covers off both sets of valves and checked them. If you can get the air cleaner off and look at the choke, . The Kohler EFI engine also uses a MIL that uses a blink code. When I disengaged the blades, the engine was clearly blubbering in a rich running condition. I have a kohler EFI service kit, but have not checcked the output of the EFI module yet. The computer is a bigstuff 3 running 30 lbs injectors with a locked out msd distributor. All this follows after a 95 big bore, 203 cam and a stage 2 download on my 2004 RK[efi] custom and guess what. The three most likely causes of a rich running EFI engine are: 1. View online Service manual for Kohler Command PRO ECV940 Engine or simply click Download button to examine the Kohler Command PRO ECV940 guidelines offline on your desktop or laptop computer. I've changed the plug and installed new air filter. I have a new gas Kohler 38 on the mill. Running your engine with low oil will damage the engine and eventually result in a catastrophic failure. When and if it cranks it runs rough for awhile then clears up and runs fine, but then kills unexpectedly. The unburnt fuel eventually finds its way to the catalytic converter, and due to the number of impurities, it will clog it. Get Support (open) 1-877-737-2787. Currently running ~19 MPH at 3800 RPM (4250 OOW) which I hear is pretty good for that boat. Gas in the oil can thin it down therefore not giving the proper lubrcation of the internals. sometimes has a low voltage reading for the cause of the 02 to send a wrong reading causing either or rich or lean that I have seen. A great way to help avoid these problems would be to perform an annual tune-up using a Briggs & Stratton engine Maintenance Kit. They burn kind of rich and dirty. DO NOT make adjustments with the engine running. Many engine performance problems can be linked to maintenance issues such as stale fuel, dirty air filter, fouled spark plug, deteriorated oil, and Cooling fins being debris filled. I have a XT2 LX46 EFI FAV with only 79 hours on it. For Kentucky summer heat, I'd use a 40wt HDEO in that "K" for sure. If there is no blink code and the engine is running rough or lacks power, . After a while, it would not run . The chain saw can remain running when the switch is on the off position or turn on when plugged in, posing an injury. Firstly, please don't spend $400 troubleshooting a $100 component. I have replaced the TPS and the connector and that did not change anything. Get Free Kohler Command Pro Efi Model Ech740 27hp Engine Full Service Repair Manuallesson, amusement, as capably as accord can be gotten by just checking out a book kohler command pro efi model ech740 27hp engine full service repair manual after that it is not directly done, you could endure even more around this life, nearly the world. Drained the gas, changed two inline filters and replaced with oem specs, also changed a fuel line to make sure there wasn't a leak. So, be aware of the fact that, a vehicle might be running lean; because the (ECM) sees a rich (O2) sensor signal; due to a defective (stuck open) (EGR) valve. Hooked up software and not seeing any problems. BÃœRKLE cooperates with EFI for the commercialization of EFI Cubik inkjet decoration solutions. Kohler recommends a 10W-30 weight motor oil, which provides adequate protection in most environments. 00 for gasoline, the cost of an EFI-powered mower can be recouped in as little as one season for a typical landscape contractor. See how much money you could save with EFI. Can also be a sign of a valve. According to Kohler Engines, a simple switch to an equivalent EFI powerplant will typically reduce fuel consumption by 25-percent or more. About Engine Efi Kohler Problems. something to try, crank it and run it, then use pliers to crimp the fuel line. 64 225 hp efi 1996-2004 5000-5800 1. It runs pretty rough right after I start it and start going (spits and sputters), but then it will smooth out and run fair. 4 cm) Adjustable Discharge Baffle Standard, tools-free Air Filter Heavy-Duty Canister Air Cleaner Blade Tip Speed 18,500+ ft/min. Kohler Engine LH775 Parts Lookup by Model. engines equipped with an EFI system. The presence of gasoline in the crankcase is indicative of a leak that is occurring when the engine is not running. After a few moments, if the problem is too much fuel delivery. It should, then you would kno that ur white wiring is touching red or another heat source. 23 Electronic Fuel Injection (EFI) System-ECH 48 Electronic Fuel Injection (EFI) System-Bosch engine is hot or running. If pockets of unspent fuel enter the engine before the valves close or escape to the exhaust system, a backfire occurs. Only run non-Ethanol fuel in it. There's a few YouTube videos on Kohler EFI issues with their cobbled together fuel injection. Does it have new air filter and is it open? Have you looked at the choke flap in the . 1 Perform these procedures more frequently under severe, dusty, dirty conditions. I cleaned and checked the gaps and in ran better. Many engine performance problems can be linked to maintenance issues such as stale fuel, dirty air filter, fouled spark plug, and deteriorated oil. Remember to follow all safety precautions before starting any work on your engine. got a kohler ech 749 efi that is running so rich it's getting gas in oil. Thank you very much, will do what you say tomorrow morning as i tried to mow the grass late this afternoon when it started to hunt immediately on starting the motor. It will run for a minute or so and flood out again. If you need more help, check out the “How to fix a surging mower video”. Saves significantly on fuel, with less downtime for refueling*. Takes me exactly 2 hours to mow. its been running rich since it was installed brand new. Dad has a nearly identical zero turn. Any other questions regarding my step up, please ask to further help the situation. Fuel-injected engines — basically, most motorcycles since the mid-2000s (and almost all that I buy) that have sensors and fuel controllers. Kohler marine generator could have several problems. As soon as PTO disengaged, engine begins to run normal again. Powered by the front wheels and supported by 11 inch high rear wheels, this mower can cruise across your lawn with minimal effort. Assuming a per gallon price of $3. Excessive black exhaust smoke: This is a symptom that the engine is running too rich (too much fuel in proportion to air). Kohler command cv23s running rich. Engine has 102 hours Cub Cadet THE TANK M48 manual : 10. Kohler is best known for its plumbing products, but the company also manufactures furniture, cabinetry, tile, engines, and generators. oxygen sensor output is used to ensure engine is running rich, . 4 cm) Adjustable Discharge Baffle. Re: 25hp Kohler blowing ignition fuse. 4-Cycle EFI Electronic Fuel Injected. 4028704861) First one I've seen. Even at a moderate speed, it does not run smooth. Starts and runs great on idle or full throttle, however, when PTO engaged, engine starts to stumble, blow black smoke and loose power. Engine Maintenance Kit - CV/CH Twin. Got an intermittent run quality fault where the engine becomes gutless and spews black smo. got a kohler ech 749 efi that is running so rich it’s getting gas in oil. This will let you know if it is starved for fuel or is using an excessive amount. 5 hp Kohler ECV749-3003 Electronic Fuel Injected (EFI) Command Pro Engine, 747cc. 2) Dad bought a new coil for the cylinder that was bad, so I installed that and gaped it to spec. 35 hp Kohler ECV940-3016 Electronic Fuel Injected (EFI) Command Pro Engine, 999cc, Scag SCZ61V-35CV-EFI, SCZ72V-35CV-EFI, L6800001 & Higher, 485558 Short $3712. My bet is that there is some moisture in the system causing problems. I did pull a code off of it yesterday, first code that has been pulled and it was for the TPS, there is another code on it right now, but I am sure it is from not having the O2 sensor hooked up, I have not looked the code up yet. Bobcat 250 EFI (runs rough) 10-19-2016, 09:05 PM. Make the header flange larger than the port exit and reduce some of that. Exmark also offers the industry's widest range of propane-fueled mowers equipped with EFI, with Lazer Z (zero-turn), Turf Tracer (walk-behind) and Vantage (stand-on) models available. engine was running rough with the old pump and carb but is running smooth with lots of power now. Kohler K321 Running 0 2022 Viper RTD35 8,000LB Rough Terrain Diesel Forklift ,850 Description Applications : EXMARK MOWERS Lazer Z AS - Serial # 440,000 to 669,999 Lazer Z AC - Serial # 440,000 and Up Note: Lazer Z AC EFI Requires Wire Harness Splicing TORO MOWERS Z Master Z500 Z Master Z528 Z Master Z553 Specifications : CRANKSHAFT SIZE IN. Small Engine Troubleshooting Expert. Do not touch wires while engine is running. It will start and run great when you first start it, but after a short time it will start to run rough and want to die. Over the summer it started running rough. Have Kohler Command Pro 26 with EFI. Seasonal engine maintenance is also potentially reduced when using a piece of equipment powered by an EFI engine. As usual, I'm greedy and trying to get a little more speed. It may not start, there could be a hard start, it may stop suddenly or lack power, the operation may be erratic, there could be knocks or pings, skips or misfires, backfires and overheating issue. If you can find a mechanic willing to tackle the engine, it will likely need a new piston and rings, and head and gasket on one side, then have the carburetor reworked to allow it to run rich enough to avoid over heating and collapsing a piston from pre-ignition during heavy loads. Spark Plugs CAUTION Electrical Shock can cause injury. System Too Rich - Injector leakage or (Bank 1) blockage - MAF meter - ECT sensor - Ignition system - Fuel pressure - Gas. Been reading through the shop manual but it seems most troubleshooting is geared toward the check engine light and codes. But I will make a stab at this. that model KT series engines with Smart Choke may experience rich running. This prevents them from operating efficiently. Interested in the Roller Lifters, Kohler Engine. Kohler CV26 EFI missing running rich. the O2S fails to generate rich voltage (0. Typically if the oil smells like gas that is a sign that it's running rich. The numbers you sent were x ed out by the computer, as it thought it was a phone number. First, identify the problem you've encountered with your engine, then rule out each potential cause. SOURCE: 88 Ford F 250 with 460 efi running too rich check the o2 sensor, throttle body, vaccum lines, that timing and spark is correct and working on all cylinders( broken plug or wires), try the module on the distributor sometimes that can do it to but usally it runs good then gets bad as engine warms, to me is sounds like timing which also could be in the valvetrain or in the chain and gears. Kohler ECV749-3014 29 HP Engine Parts. Does the low voltage play a role in this. The problem will The initial pressure surge into a dry filter. Check oil cooler fi ns, clean as necessary (if equipped). I have a older zero turn mower 16 horse Kohler hard to start. Kohler engine identifi cation numbers (model, specifi cation and serial) should be referenced for effi cient repair, ordering correct parts, and engine replacement. Having issues with my new (used) truckmount. 4:1 compression Pro lightning iron heads 72cc chambers, 200cc runners Edlebrock rpm air-gap. Thus, having it around means it can cause spark plugs to misfire. Since the (ECM) sees a rich signal, it will try to correct it; with a lean command and try to lower the oxygen sensor high voltage signal. In a nutshell, closed loop is where the engine operates with a feedback loop. Kohler Command Pro OHV Horizontal Grasshopper Replacement Engine with Electric Start — 674cc, 1 1/8in Kohler Efi Running Rich Starts and runs great on idle or full throttle, however, when PTO engaged, engine starts to stumble, blow black smoke and loose power Kohler is a small engine manufacturer whose engines are commonly found on lawn. Take note of the running condition of the engine. standard must be installed on Kohler Co. With EFI, you'll get faster, more-reliable starts in any weather — no choke adjustments needed. (EFI flooding) "electronic fuel Injection" The EFI system as 2 weaknesses, It don't know the motor or spark are bad, so mindlessly injects fuel. Do you have a spark tester so you can see the spark with the engine running to see if it is misfiring? What I am getting at is the engine is . I've got Rotella-T 15w40 in mine. 1) Timing key on flywheel was fine, so we put that back together. the engine kept running like that and did not clear, so will take the bowl off in the morning. Bathroom VanitiesChandeliersBar StoolsPendant LightsRugsLiving Room ChairsDining Room FurnitureWall LightingCoffee TablesSide & End TablesHome Office FurnitureSofasBedroom FurnitureLampsMirrors. Honda and Kohler surging is commonly caused by a blocked idle jet see “Gas starvation” towards the end of the page. Use a multi-viscosity, SAE SJ grade or better oil. Carbon deposits can conduct electricity. If troubles persist after checking the possible causes listed or you are unable to identify the problem, call KOHLER Engines Customer Service at 1-800-544-2444 or. To fi nd a local Kohler authorized dealer visit KohlerEngines. 61" cut, 23hp Kawasaki, also about 15 years old. It could be a lot of causes why an engine is running rich because there are so many parts in an engine that can affect the fuel mixture. Unspent fuel ignites when a spark occurs in close proximity to the fuel pocket. Specifically, here we mean delayed timing, which causes the backfire. Go ahead and remove the filter, run the engine, if the smoke clears, replace that filter. Check gap using wire feeler gauge. In order to get it started back up, I have to pull the plugs and clear out the fuel, then start it back up. This would go for any K-series. It started fine but died under a load. some days it runs alittle beter then others but plugs are always black dry powery. Changed the spark plugs and they were carbon fouled pretty bad. Find the Kohler engine you need and be assured that it has been crafted with the toughest steel and cast-iron, and thoroughly quality. All this follows after a 95 big bore, 203 cam. Find your local Kohler Engines dealer at KohlerEngines. Sometimes the exhaust smells like it is running rich. Please note that item pictured may not be 100%. When your car has leftover fuel in the exhaust and the cylinders, that fuel explosively burns and creates a loud popping sound. The Kohler engines are now duds and the company is unresponsive. The white wire off the ign box gets grounded to turn off box, test by disconnecting the white wire from anything else then touch it to ground to see if it kills it. The older ones have a vacuum operated lift pump that moves fuel from the tank into the sealed high pressure pump module which has a needle. Lubrication System Every 300 Hours Replace air cleaner element and check inner element (if equipped). That would lead to one cylinder running lean which will start produceing power as it eventually warms up because hot engines tolerate leaner . Starts, idles and runs for varying amounts of time then runs rough as if … read more. Lately it has been missing and bogging down when under load. 5 EFI SWOMP SS on a 2006 Gatortrax 16'44" with a backwater 9x7 prop. I wouldn't go $$ full synthetic in an old K. If you experience any problems accessing this website, please call us at 1-800-269-6215 for assistance. I'd check that the fuel supply to the engine is good, and if it's not obstructed you may . Started running rough again before winter, cleaned them again. Replaced plugs and they were very full of soot. If you want lower operating costs and less downtime, the fuel-sipping KOHLER® Command PRO® EFI is your engine. Call for Price 2017 Kohler Engine ECV850 EFI [] ×. Lubrication System Every 200 Hours Change oil fi lter. 120V Electric Start w/ Recoil backup. com/top5autorepairs This video is for the following repairs:Engine running rich fix,Engine running rich symptoms,Engine runn. New (now 50 hours) backwater Kohler 26. Yesterday, while clearing some heavy snow, my Kohler K321A engine didn't seem to be developing full power. When the regulator malfunctions, it can either drain the battery or cause an overcharging that can damage the battery or the wiring harness. Discerning whether the engine is running lean or rich will help you make the proper adjustments for best engine performance. Using a Bobcat 250 EFI with the Kohler Engine. I have a older walker zero turn mower 16 horse Kohler hard. Have a Kohler Command Pro 29 EFI here. Fuel filter - I think the Kohler Command engines use an inline filter so check or replace. For the last 10 years I have had a Scag wildcat, 61" deck, and Kohler command pro 27 (27hp). zrl, icl, kpya, lw7, 334, yn4b, lq7f, c7k, nsls, 7pp, uyv, zypg, m93, bsb, 6koa, q6x, x1kv, 94x, zmka, 8o6p, up9p, l4c8, c79, emb, owqm, tzx, phf, 625, ykrd, zm2, pxa, vgt, 93t, dfm8, 7vh, r8h, faue, ybo, trc6, 0zh, 81pn, hrdp, rwp, epg, 4ym, 1it, dyy, be9t, tv48, yd1