Kohler Engines toll-free at 877-333-3948 from 8 a.m. to 5 p.m. CT Monday through Friday, email at EngineFieldService@kohler.com or online at www.kohlerengines.com and click on … I fixed that temporarily by running a wire to the battery. The other day he let a neighbor use it and it quit running. The Kohler Engine on My Riding Lawn Mower Will Fire but Not Start ; What Is the Distance Between the Ignition Coils for the Homelite XL-76? Moisture in a fuel supply, in either the gas can or tank, can stop an engine. If you see a thick layer of black carbon deposits, it's a sign that the carburetor mixture is too rich -- your engine may even be smoking. I have a Kohler Command 27 hp. See attached link and enter your model number as CH730. hello my kohler engine start when it going on load one coil dont work.and it not bare load.i have change 3 coil but problem is same after 15 mint one coil dont work. When your mower fires and then dies, the cause might be environmental, fuel-related or the result of a technical problem. The model number you posted does not yield any return. If it is off, it won’t start either. Spark was the initial issue. Available in air-cooled, liquid-cooled and the new KOHLER KDI, our diesel engines deliver maximum power. It seems that everywhere I look, I run into road blocks and find no information for this motor, except for the Craftsman site (which is no help). Common solutions for: Kohler Small engine won’t start 01 - Spark Plug Inspect the spark plug for signs of wear or damage. Why the Spark Plug Won't Fire on a Lawn Mower You may notice that the engine on your Kohler lawnmower is cracking but it still won’t start. Will not start. Now it turns over, but it won't fire or act like it wants to start. When your engine cranks but won't start or run, it could mean your engine is having trouble producing a spark, getting fuel, or creating compression. Hot weather can contribute to vapor lock stalls, particularly with an improperly vented gas tank cap. The most common causes are problems in the ignition (for example, a bad ignition coil) or fuel system (for example, a clogged fuel filter). I understand that it is possible that an oil seal failed and may have got to the points. I can't get my Cub cadet LT1042 riding mower to start. All these parts are expensive to replace. Model c 16s type ps4309. Considered best of breed by many in the small engine trade, Kohlers are among the most reliable and innovative engines on the market. Remember to follow all safety precautions before starting any work on your engine. Look under kholar command for parts they put our kholar pro cv16s under those, Cv16s is in with the command model's of kholar. You may have to register before you can post: click the register link above to proceed. Plugs are getting wet. Looking for Site or Help in how to test the Engine Rectifier, Stator, Engine Module and Digital Module. Although small engines are simple, they rely on each part running in a perfect rhythm. Read the spark plug first to try to see what has been going on. 01/16/2020 by The issue I am having and have had since it was new is that at random times the engine will not fire till I let off the key. Re: Kohler 25hp vtwin won't start in reply to Charliebee, 10-03-2003 05:48:31 First, have you determined that yer getting fire at the plugs? It has a Briggs and Stratton i think 3.5 hp engine on it. My Mower Engine Doesn't Shut Off Immediately, Briggs & Stratton: Engine Starts and Then Shuts Down, Kohler Engines: Service Manual Kohler Command CV-11-16, Kohler Engines: Service Manual Kohler Courage SV470-SV620, Outdoor Power Equipment, Small Engine, Lawn Mower Repairs, Troubleshooting and Safety: Sheered Flywheel Keys, Arizona Cooperative Extension: Master Gardener Manual: Lawns, U.S. Environmental Protection Agency: State Actions Banning MTBE (Statewide), My Riding Lawn Mower Cuts Off When the Clutch-Brake Is Released. Has no fire at spark plug wire. Do you know if I can replace the ignitor module with a standard one, and do away with the digital module? Accessibility. Although the motor may fire as the result of the spark from the solenoid, not enough fuel feeds through the carburetor to sustain continued combustion. The engine may run until the oil level gets too low to keep the piston lubricated. A bent shaft or unbalanced blade throws off the balance on the crankshaft, eventually retarding piston and cycle timing, leading to misses and stalls rather than starts. What's up ? A fuel line obstruction, clogged fuel filter or stuck fuel valve shutoff might cause irregular or insufficient fuel supply to sustain combustion. Is full of electronics. This allows the engine to stay cool enough to keep the combustion process going. I am going to isolate the engine from the mower wiring harness this evening and see if … Not much will typically go wrong with a Kohler engine. My Husqvarna 48-Inch Mower Will Not Stay Running, My Murray Riding Mower Starter Spins and the Motor Won't Start. I know, I need to do a compression test to be sure, but it feels like the compression is good and I can suspend the saw (with bar attached) by the starter rope and it holds. The usual suspect is the fuel delivery. It has low hours but is in a damp space. The mower is an 2004 model and I bought it brand new. My dad has a toro groundmaster 120 with a Kohler 20hp engine. Extremes in temperature during hot summers, fog and soggy weather can all provide clues to... Fuel Basics. Gasoline Engines Designed to meet a variety of application needs, our gasoline engines range from 3 hp to 38 hp. As is the case with any combustion engine, it can come down to a number of issues. The ignition coil doesn't frequently develop problems, but the connection between the flywheel and coil or between the starting pulley and flywheel can wear out, and the coil may not be turning. I only have 8.4 volts to the positive side of the coil. You need all the right tools for taking apart the motor without the tools you'll be paying a pro to do a easy job you can do your self with the right tools in hand. A problem that Kohler engines have is to flood the cylinder with gas after the engine is shut down due to a worn needle valve in the carborator. What Would Cause a STIHL Trimmer to Not Start? Michael Bland. First, identify the problem you've encountered with your engine, then rule out each potential cause. oldturkey03. The starter cranks but the engine won't fire. That done, the engine has a solenoid fuel shutoff for the carb. Extremes in temperature during hot summers, fog and soggy weather can all provide clues to your mower's failure. But if i take it off and cover the air inlet, it will start, run for up to 30 minutes and then stop, but it will not accelerate. @wseguin, try removing the white wire that worked on my mower, My problem is none of these in fact i have replaced the safety switches all and jumped out the seat switch. However, not unlike all engines in this class, problems do occur. 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 contact your local KOHLER dealer. If the air filter is on, it won’t start. The muffler moves the heated, ignited gases away from the engine block and the operator. 05/24/2014 by If your spark plug appears to have normal wear -- or if you've just installed a new one -- and the engine doesn't fire, you can check the plug by replacing the spark plug wire with a tester and pulling the starting rope. Here's the story: The tractor was running fine, I was mowing at the time it quit; it was a lot like it ran out of gas. 012797c002643. If your plug has wet, oily deposits, it's time to take the mower in for servicing, because oil is leaking into the combustion chamber where it shouldn't be. A broken flywheel key -- the part that generates the charge for the spark plug -- from wear or impact, can't support combustion. This was not part of the program because everything we loan out comes back broken so we have agreed we weren't loaning out any more equipment. Shes bee sitting for about 10 years. Place the spark plug electrode side somewhere touching the metal part of the engine short block. Vernon, Quite often an engine that has been in storage for a long time gets moisture into the coil and high tension spark plug lead insulation. If the engine floods out it must be throughly air dryed by urning the engine over without the sparkplug. 05/15/2019 by Electrodes that have been worn thin are a sign of overheating, often caused by too much ethanol in the gas. Open the muffler cover and remove the spark arrester screen. Do you know of any way to test the digital module or if I can bypass this somehow? I'm looking for any help to be able to test and fix without replacing all the parts on the mower to get it running. Why Does My Mower Bog Down When the Engine Gets Hot? Forgive me if this is simple but I m not much of a mechanic I have an older (mid 90 s) Kohler 18 Magnum, spec #24521 that started and ran ok until this evening. When you turn the engine over you should be a nice blue spark in the spark plug gap fire off. The spark plug, the carburetor, the recoil starter, and the ignition coil are some of the most common issues . See if you can get the service manual from http://www.kohlerengines.com/manuals/lan... here. If the plug is dry, it’s a sign of a fuel problem and most likely a messed-up carburetor. This video explains what to do when your riding lawn mower spins but won’t start. Replacing the worn part isn't difficult, but you may need a pro to properly disassemble the engine. Hello and welcome to Just Answer, The problem may be a bad diode in the wiring, a shorted wire, a bad spark advance module, or a bad ignition module. I'm like you, I can't find the manual for this model on that site. The Kohler Engine on My Riding Lawn Mower Will Fire but Not Start Environmental Considerations. My engine doesn't say kholar command it says kholar pro on the side it says cv16s I'll just have to make some parts for it i guess. Thank you for the response. An avid perennial gardener and old house owner, Laura Reynolds has had careers in teaching and juvenile justice. The engine spins freely with starter, but will not start at all. Have a 16 Hp Kohler engine. I have a McClane edger that is about 35 or 40 years old. I'd have it popping in four hours if I had your mower with no testers none of the pro stuff they might use I'd get running for you for free. To start viewing messages, select the … This moisture will short out the affected parts and be a cause of no spark. Re: kohler Engine Won't Fire in reply to Vernon Holt, 12-11-2003 07:13:15. Any part you need you'll find under kholar command that's what pops up for me it's like they don't have kholar pro cv16s replacement parts. ... Craftsman 917.289220 won't move. Thank you for your question as to why the Kohler engine will spin over but will not start. Fuel solenoid is working. Occasionally, the Command engine while shutting down likes to rotate backwards before coming to a complete stop and there by jolting the flywheel hard enough on the crankshaft to shear the woodruff key. I'm at a loss the engine turns over but no spark electricity at all. I tried to start it as always, turned the key to start and it cranked but would not fire up. This is the only issue I have had with the engine. Riding mowers are time and effort savers, a particular plus on hot days. Inappropriate fuels, such as diesel that will not burn properly or gas with more than 10 percent ethanol that can damage engine parts due to high heat, can also result in failure to start. Model CV16S - 43519. A plug in normal condition has a thin layer of light-brown deposits on it. The motor has an electric ignition. with all that information you would think I could find out what year it was made. Acts like it may start when you let up on the key, but doesn't start. If the porcelain insulator is cracked, an electrode is burned away or damaged, or there is heavy carbon buildup at the electrode, replace the spark plug. Rollie Motor, © 2021 iFixit — Licensed under Creative Commons — Privacy — Leave it with me an I'll get it running in four hours or less. Help. I will need to have your model number of the tractor to figure out if it is a relay or an engine spark module … Model CV740S. Kohler Engines; K321 has fuel and fire, won't run; If this is your first visit, be sure to check out the FAQ by clicking the link above. A retired municipal judgem Reynolds holds a degree in communications from Northern Illinois University. Bill DeeryFrankie4luck, Yours is probably around a 1996 Kohler command cv16s, 11/05/2020 by Kohler engines power numerous brands of riding mowers and have established themselves as reliable small engines for mowers that must deal with dust, sand, sea air and an occasional downpour, as well as warm summer air. Once the solenoid has provided the spark to fire the starter, the carburetor, spark plug and pistons take over. In addition to fuel obstructions, a spark plug with an improper gap or one that is loose won't sustain combustion. If your spark plug appears to have normal wear -- or if you've just installed a new one -- and the If you try to start your mower without putting the gear lever in neutral or depressing the brake pedal, the starter might fire, but your engine will choke. Kohler Magnum 18 won t start . Knowing where to locate needed resources, and applying sound troubleshoo… If you don't see a spark on the tester, there may be a problem with the ignition coil of the flywheel to which it's attached. I have battery voltage at the red rectifier wire but very little voltage on the coil brown and yellow connectors. Terms — After inactivity, the gas in your mower's tank begins to break down and lose volatility. Have the initial manual. Kohler Command Engine No Start Backfire Runs Poorly Check out the steel woodruff key between the crankshaft and flywheel hub. Always follow your mower's operator manual recommendations for fuel and filters -- and follow the prescribed maintenance schedule for replacement. Craftsman Lawn tractor. Some models will have a relay that will let the engine spin but will kill the spark to the spark plug. This is my first season with the mower (was bought a refurbished unit, with a brand new engine) and it always took a little bit for it to start up (I'd say 10 seconds or so with the choke out). Drain the tank, clearing any sediment, and refill with fresh fuel so the engine “catches” easily when it fires. While many times a result of a simple oversight such as running out of fuel more difficult issues require appropriate resources, as well as a systematic troubleshooting approach. I suspect and issue with the switch, but Ill deal with that later. The best place is to put it right on the rim of the installation hole. Not uncommon. Kohler Genuine engine parts are the right choice for maximum performance of your Kohler engine. Her six children and stepchildren served as subjects of editorials during her tenure as a local newspaper editor. 917.258580. serial number. I am trying to get my c175 barn find to start. Shoot a substitute fuel (WD-40 or PB Blaster Lawn Mower Tune-Up) into the carburetor throat and then try starting the engine (Photo 1). Have had the same problem and have ordered a new coil will let you know if this solves the problem. © Copyright 2020 Hearst Communications, Inc. It has an X4B7A magneto and I am trying to figure out how to get a look at the points to see how they look. if you or anybody else need the actual part number for this type of mower with a Kohler engine let me know and I'll give you the part number. I found a site where I could check the year made and it isn't even listed. Any diagrams or instructions would be helpful. After a series of rough starts, the motor will fire but freeze rather than start, signaling seized pistons. Anyway, at first he thought the neighbors gas may have had water in it. A flooded engine, due to an open choke, can cause an engine to fire and then die -- the odor of gas provides a clue to flooding. Many causes of an engine that fires but refuses to start are easy to address, but one can be fatal: failure to keep lubricating oil at the proper level in the crankcase and its pistons. And for those kholar pro engine cv16s they have most the parts and book as kholar command not kholar pro cv16s like i have you won't find crap for kholar pro cv16s it's all under kholar command cv15s, U looking for replacement parts look up craftsman kholar command if you have a cv16s like mine, Mine needs replacement parts I'm unable to find new ones only used parts and used maybe cracked I need a air duct for the cv16s kholar, Luckily i found the parts names in with cv15s kholar command user manual book for my cv16s craftsman kholar pro who knew that new stuff would be in a old book, Some parts from the command model doesn't line up on the pro cv16s model of mower is my problem. However, if the heated gases can't escape out the muffler, the heat will build and eventually shut down the engine. Got the cylinder plug for my 357xp to replace the auto decomp valve, and the compression seems good. Click find manuals. Hi folks, I've tried everything I know to start my wheel horse tractor, but I've run out of ideas. Repair information and troubleshooting for Craftsman-brand riding lawnmowers. Shine up the engine's flywheel but not to hard or you'll ruin the magnets crimp the end of the spark plug wire tighter cut off some of the black rubber around the plug wire my old problems your having now do all that and make sure its got a tight fit, If nothing still you then need to check your battery connections and then the right gap of your plug still nothing working check your plug wire under the housing cover any rust will stop a spark so check it all out good your rectifier and $@$* is manly for the headlights so that's nothing to look into and it's for sending charge back to the battery but doesn't matter at this time you would like it to run -lights and that stuff. william seguin 15 answers. Purchase maintenance and replacement engine parts today. 27 hp Kohler Command won't fire Service Department. The same goes for moving off the seat, which opens the “kill” switch, an essential safety feature in all mowers. I even have a video showing this. 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Any sediment, and the compression seems good the carburetor, spark plug gap fire off no start Runs. Over without the sparkplug, they rely on each part running in four hours or less n't find the for... Your mower fires and then dies, the heat will build and shut! Think i could find out what year it was made it fires... fuel Basics engines simple... To a number of issues your riding lawn mower spins but won ’ t start year it made. Like it wants to start and it quit running you know if this solves the problem the! No start Backfire Runs Poorly Check out the steel woodruff key between the crankshaft and flywheel hub brown and connectors. Decomp valve, and the ignition coil are some of the installation hole replace the module... That done, the cause might be environmental, fuel-related or the of... By running a wire to the points starting any work on your engine with a Kohler engine wo sustain... Inactivity, the recoil starter, but Ill deal with that later Sears 16!