Kohler Engine Backfires When Starting

The modifications are typical for L-head (flathead) engines and in this article I'll try and describe what I did and show pictures of the parts as the engine. This can often lead to an excess of air in the mix, creating a lean blend. 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 more ground every day. Probably one of the most informative small engine manufacturer websites online is the Kohler engines’ site. The engine will turn over indefinitely but not start. I have to put the choke halfway or so (even if it is fully warmed up, and not cold outside), then it starts up again. Problem started when blowing snow,hit a seam between Kohler engine backfires - DoItYourself. After running it about a half hour it starts to miss and stutter and backfire. This backfire occurs when fuel ignites outside. A lawnmower backfire makes a surprisingly loud noise, catching you off guard when you're wrapping up your yard work and shutting off the lawnmower. Kohler Engine Forum. Though some of you may not want to change a fuel pump because in particular cases you need to remove the fuel tank, have no fear many of today's vehicles have trap doors either under the rear seat or in the trunk which makes the job much easier even though I don't mind taking a tank down from a vehicle, it's a fun day project that family and friends can help with. It was a winter project, so I took my time and put together a hot rod Kohler, something I've wanted to do for a long time. Gasoline vapors can cause explosion and severe injury or death. The carburetor continually ne Tuning a Kohler Carbureter: Lawn, Turf, and Grass -- Landscape Discussion Forum. We sell carburetors for Kohler K161, K181, K241, K301, K321, K341 Cast Iron Engines. Order Status Customer Support 512-288-4355 My Account Login to your PartsTree. Starting Fluid/Ether Great tool to use on any engin,i have been using it since i was a teenager in the Yukon where it gets very cold at times. After spring cleaning this year, I can't find the original carb to save my life. She says, "I have a 2002 John Deere riding lawn mower, and always try to take good care of it, but every time I shut it off, it backfires. Eventually it will start, sometimes backfiring through the exhaust before it starts and runs. 005 in Exhaust valve with 0. 5hp Kohler single. I have a 10 hp Kohler (K241) under full throttle (and under load) it loses power and backfires out the exhaust. Equipatron's selection of Kohler small engines will get your power equipment back up and running in no time. Is it a 2 cylinder engine or 1? if it has compression check the ignition timimg to see if it is off or the spark plug gap. Hot Parts! Engine components can get extremely hot from operation. I think the problem may be the automatic compression release hanging. If the valve guides in the engine are worn, it will pressurize the crankcasepushing the oil out and also can mess with the compression causing backfires. Fault code is displayed if the engine starting battery voltage falls below 9. What Are the Causes of a Chainsaw Not. I have a Kohler 25hp twinCouple weeks ago after changing oil using full syn Mobil 1 10w-30 I would get a knocking noise after hour of running it. The engine spins freely with starter, but will not start at all. Rebuild the carb. Have used it on all gas engines at some time. How fast is the engine turning while cranking? A slow crank will prevent starting. Re: Kohler Command CV16S won't start backfiring In my experience with these Kohler Command engines, if the lifters are bad you get bent push rods and it's readily apparent with the valve cover removed. com to view your saved list of equipment. Afterfiring is that loud bang you hear after cutting off a tractor engine. Sometimes it runs longer than the next but never over 3-4 minutes. Info by Dave Kirk & Richard Christensen It's a phenomena known as "after-fire" in the trade. 17 hp kohler cv490s Problem: Engine cranks, after several turns, spits or pops/backfires through carb. 5 won't start, cranks hard, and backfires | LawnSite. Find and buy replacement parts online. I was mowing recently when it started backfiring like crazy. On Magnums, K and KT series engines, Kohler suggests the cool down before shutdown but that doesn't do you any good if your idle is set too high also. Tuesday night I just decided to go with my gut and glue the magnets back on. For reliable, easy-starting, fuel efficient performance, insist on a Honda GX Series Engine. Letting it cool down it would start and run again until I finished the lawn. Never operate the engine with heat shields or guards removed. When I first start it when its cold it runs fine. 84 Kohler 17 hp no spark! Welcome to 6x6 World. Other times it will not start; the starter turns it over fine. engine with covers, shrouds, or guards removed. I still have one with a 16HP K series, I had trouble several years ago with it being hard to start and after it warmed up it would quit. For removal water gets my. If the engine seems like it wants to start you have a fuel delivery problem. Complaint was that it was running rough at times, or wouldn't even start, and other times it would start and run fine until a load was put on it, and then it would start misfiring, and backfiring loudly, etc. It goes the same for engine backfiring. Directions right in Simplicity and Kohler manuals say to have engine running at least half throttle when you turn off the key. I hop on, depress brake, turn key, engine turns over. For example, a starting problem could be caused by an empty fuel tank. The modifications are typical for L-head (flathead) engines and in this article I'll try and describe what I did and show pictures of the parts as the engine. It backfires when trying to start. So, I replaced the original Kohler carb with this one while I had the engine halfway tore apart to replace yet another head gasket. i am now very disillusioned with Kohler. com Kohler 17. Even when it is running it will occasionally take a spell of cutting out like it has water in the gas, backfiring occasionally. My neighbor has a Kohler engine on his also and his backfires every time he shuts it off, but of course he does not let it cool down from high load. It was a winter project, so I took my time and put together a hot rod Kohler, something I've wanted to do for a long time. com huge inventory of Kohler engine and service repair part. I was shutting it off at idle when I first got it new. Accidental starting can cause severe injury or death. So I think that's a good suggestion. Before selling my C-120 years ago, it would backfire every once in a while on shutdown. Outdoor Gasoline and Electric Powered Equipment and Small Engines - Kohler engine backfires - I have older Ingersol tractor,14 hp kohler engine. Fits very tight; install with a medium size hammer. Twice now it has failed to start due to no spark. The engine runs, it ran before I took the carb/air cleaner off of it. When the key is turned off is should stop 100% of the fuel from entering the c chamber. The flame arrester is pretty burned from i guess the backfiring. (B) ELECTRIC START MODELS: Move switch to START position--release as soon as engine starts (switch wii remain in "ON" position). However, on engines two liters and under, a restriction such as the Impco J1-20 (1/16" I. Time for a brain teaser. If it won't start or fire with spray fuel, you probably have an ignition system problem, most likely a bad ignition. I also see the breather tube in a photo of your engines. If you let it run for a minute or so at idle it will never backfire. When it spontaneously combusts the backfire sound is heard. Kohler Vertical Shaft Small Engines. Outdoor Gasoline and Electric Powered Equipment and Small Engines - Kohler Command turns over and backfires but won't start - I have a ten year old Dixon ZTR with a Kohler Command engine. The modifications are typical for L-head (flathead) engines and in this article I'll try and describe what I did and show pictures of the parts as the engine. What causes my Cub to backfire? 2. I have a Kohler Ch-25 engine on a Zero turn mower. For engines to run efficiently, the spark plugs have to ignite the air and fuel at the right time. if you say you are getting fuel and it is cranking hard. That engine should be turned off ,according to Kohler. We replaced left side coil and it ran fine, mowed half my yard about 2 hours worth and mower began running rough again, no power, backfiring,. Product support - My engine will not start, I think it may be flooded, how can I start this? Video - how do I start my lawn mower?. It starts and runs for approx one hour until it get hot, then the engine misfires and is unable to run the chipper. Complaint was that it was running rough at times, or wouldn't even start, and other times it would start and run fine until a load was put on it, and then it would start misfiring, and backfiring loudly, etc. The engine does not have a carburetor. Start Valve Enrichment Use of the SV start assist valve for priming during cranking is helpful. Cub Cadet FAQ's. It takes a little longer to fire causing fuel to also load up then blowing black smoke when engine turns over. The water will cause the engine to sputter and backfire. If the engine had worn out rings or a scored piston, it may backfire in addition to the fact that it may also pressurize the crankcase and push the oil out. pushed into the hose will prevent over priming. 005 in Exhaust valve with 0. If compression. When the key is turned off is should stop 100% of the fuel from entering the c chamber. Re: Kohler engine problem URGENT need help « Reply #13 on: April 20, 2009, 09:56:59 PM » Fresh fuel in the tank does't mean you have fresh fuel in the carb, some times a person can get away with just draining the carb until you get fersher fuel that is in the tank (fuel tends to go bad faster in the carb than the tank). Another sign of a Crankshaft Position Sensor Failure is the constant stalling and backfiring of the engine. The following table lists some of the common causes of trouble. When the key is turned off is should stop 100% of the fuel from entering the c chamber. 5) to start. Result: a very loud bang every time I shut off the Kohler engine. It will not start, but simply cranks without sounding like it wants to start. Page 1 of 2 - 18 HP Kohler Backfiring Through Exhaust - posted in Off Topic: My 1864 Cub Cadet with the 18 hp Kohler ran near perfect, I parked it a week ago Friday, when I went to start it this Friday all it does is turn over and backfire through the exhaust about every 2-3 revolutions. 5hp Kohler single. Someone 0 Replies 260 Views. Kohler OHV Horizontal Exmark Zero-Turn Mower Replacement Engine with Electric Start — 725cc, 1 1/8in. 05-14-2017, 06:55 PM # 15 ( permalink ). As with all engines, you need spark, fuel and compression. Engine backfires can be produced by a vacuum leak, bad timing, problems in the ignition system, a faulty sensor, an exhaust leak, or some other system fault. Re: Kohler 12hp Magnum Backfire Issue While running the engine at high speed, give it a good shot of carb cleaner - enough to stall the engine. Also this is a much more advanced engine with an oil filter and oil pump and other features. Engines included in this recall have serial numbers with the first five digits beginning with 41028 through 41056. 5 engine stopped working, when I tried to restart it it will crank but not start. Kohler 16 hp mower engine problems. Unlike ignition malfunction, the car will probably start, even run for a while, only to shut down again. This engine can be hard to start compared to other engines. In this edition of Maintenance Monday, we're answering a question from Dena in Mississippi. Call 1-800-544-2444 (U. My craftsman rider is a 17. Why Does My Engine Backfire or Afterfire? Is the small engine on your lawn mower, snow blower or outdoor power equipment making loud noises? This FAQ from Briggs & Stratton will help you identify the problem and find solutions. John Deere L110 Kohler 17. Fuel shutoff solenoids prevent engines, including the Kohler brand, from backfiring. I find that most of the time I get them is because of bad fuel. The fault condition clears when the battery voltage returns to a voltage within the limits for. The result may be a mower that does not start, backfires or runs erratically, lacks power, won't run and/or start when hot, etc. The Kohler Engine on My Riding Lawn Mower Will Fire but Not Start. com huge inventory of Kohler engine and service repair part. for about 30 minutes until it's warm then spits, sputters, backfires, and flames out the exhaust, all of which results in a great loss of power. It runs fine now but the backfire problem has expanded into a run-on issue with backfire. So, I replaced the original Kohler carb with this one while I had the engine halfway tore apart to replace yet another head gasket. Loud as a gunshot. Kohler Command Pro CH640 674cc 20. A certain amount of engine oil accumulates in the valve cover, but NOT to the point where it is flowing or blowing out of the breather hose. Before selling my C-120 years ago, it would backfire every once in a while on shutdown. The engine does not have a carburetor. I have use it on all of my equipment,diesel engines with and without glow plugs. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. Other times it will not start; the starter turns it over fine. Kohler Engine Forum. This engine can be hard to start compared to other engines. Cub cadet mower won't start, any idea where to find some help online (service manual, videos, etc. How To Adjust Overhead Valves On A Lawnmower. Kohler 26hp starts great when cold. Explore KOHLER toilets, faucets, sinks, showers and other kitchen and bathroom products. i pulled the motor out last night to check flywheel keyway and that was good. After spring cleaning this year, I can't find the original carb to save my life. Called Kohler Customer Service, that's a waste of. #21525, Family Justanswer. Now the tech wants to take apart to get to the pistons and see if anything wrong with the pistons. Kohler has said the motor needs to be replaced but won't pay for it. Any help would be very much appreciated…. Some common causes of engine troubles are listed in the following table. Have a 16 Hp Kohler engine. This recall involves Kohler Courage twin-cylinder engines sold with three brands of lawn tractors: Husqvarna, Cub Cadet, and Troy-Bilt. I am having trouble getting my 1330 (Kohler Command 12. She says, "I have a 2002 John Deere riding lawn mower, and always try to take good care of it, but every time I shut it off, it backfires. 4: Backfires in Exhaust Note: It is normal for many high performance exhaust systems to moderately backfire or pop when the throttle is closed from mid-to-high rpm. Never operate the engine with heat shields or guards removed. The Kohler Aegis engine series is one of the most powerful engines currently on the market for residential and light commercial power equipment models. larry915, Did it just start doing this? I Would try what 130Oxbow stated, set the throttle to mid level before shutting off the engine or let it idle for a few minutes before turning off or choking it then turn it off. Kohler Vertical Shaft Small Engines. I would say in my experience with other small engines the spark intensity looks weak. I have use it on all of my equipment,diesel engines with and without glow plugs. For example, starting problems could be caused by an empty fuel tank. Than it started backfiring through the carb. Probably one of the most informative small engine manufacturer websites online is the Kohler engines’ site. Learn more about our Kohler engines today. Instantly restore engine power by replacing your old carburetor with our afermarket kohler carburetor. If it is cranking too slow the engine will not start. Kohler engines are designed to meet many different application needs and vary in style, grade, series, and horsepower. Sooner or later, the valve stem will bend. Other reasons for blue or white smoke from engines include: Exceeding the engine's oil capacity shown on dipstick. Product support - My engine will not start, I think it may be flooded, how can I start this? Video - how do I start my lawn mower?. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. o not a ow handle to snap back. I had this problem with my Kohler Command CV20. Kicks back when starting: Flywheel key is nicked, or, on points-type engines, the condenser is defective or point gap is too small. Kohler Engines and Parts Store : SV Series - Misc Engines & Parts Shipping Option Tecumseh Engine Parts Denso Spark Plugs Oregon Equipment Parts AYP / Electrolux Zama Carburetors & Parts Walbro Carburetors & Parts Kawasaki Engine Parts Kohler Engines / Parts Tillotson Carburetors & Parts Stens Equipment Parts Warner Electric PTO Clutches Ogura Electric PTO Clutches Oregon Chainsaw & Forestry. I have a 5E in my 2004 Chappie and have recently noticed some issues as I routinely run it each week during the fall/winter. If engine will be out of service for 2 months or more follow procedure below. Kohler 16 hp mower engine problems. An obstruction in the breather tube (located behind the air filter) Damages to the cylinder/piston rings. I find that most of the time I get them is because of bad fuel. 5 hp engine, has been the best mower ever, until now. Now it's your turn. Our vast product line is preferred by major manufacturers to power everything from heavy-duty concrete saws to precision-cutting greensmowers,. Directions right in Simplicity and Kohler manuals say to have engine running at least half throttle when you turn off the key. Before this started, cranked it wouldn't turn over, Have replaced plug , all filters and battery. In fact, one should expect a well-tuned high performance engine to "pop" and "crackle" when the throttle is closed at high rpm. If you get into a V-Twin, overhead valve, Vanguard engine you will be starting out with everything new such as the carburetor and the starter. Kohler Command Pro CH640 674cc 20. Kohler engines are designed to meet many different application needs and vary in style, grade, series, and horsepower. I have to put the choke halfway or so (even if it is fully warmed up, and not cold outside), then it starts up again. It has always had a backfire issue when you turn it off. Fault code is displayed if the engine starting battery voltage falls below 9. I had read somewhere in my travels on the problems with these engines that the solenoid at the bottom of the carb turns off the fuel flow to prevent backfiring. What causes my Cub to backfire? 2. has been out here in storms in winter and summer at least 20 times. I have replace the points, plug, condensor, fuel filter and put on a brand new surging kohler 16hp tractor engine - DIYbanter. Before I ran up to get new tune up stuff I threw the compression tester on it. 5 hp Kohler Command twin cylinder engine. I'm guessing its also hard to start or does it just do this when the engine has been running?. Kohler Vertical Shaft Small Engines. Kohler 16 hp mower engine problems. Last year I replaced a burnt exhaust valve, set the tappet clearance for the exhaust valve to. Looking for Site or Help in how to test the Engine Rectifier, Stator, Engine Module and Digital Module. It does depend on what type of engine your mower has. If it is cranking too slow the engine will not start. For example, starting problems could be caused by an empty fuel tank. This engine can be hard to start compared to other engines. pushed into the hose will prevent over priming. Seems like a weak spark. Then try to start the engine. ? My question involves problems with my Craftsman riding lawn mower with a Kohler 16 hp OHV engine. Kohler Command Pro CH640 674cc 20. Manual states to shut off engine at 3/4 to WTO. Why does my engine spit or backfire? First off, you need to determine whether it is backfiring out the exhaust or back up through the carb. I kind of took that for granted and expected other engines to start as easily so was a little dismayed when first working with the 40 HP Kohler. I cant find any screws on the carburetor to adjust the mixture. I have use it on all of my equipment,diesel engines with and without glow plugs. First thing,weather is it Backfiring or Afterfiring. I will need to have your model number of the tractor to figure out if it is a relay or an engine spark module problem. A: I would not spend any money on that Kohler engine, it is not a quality engine to start with. Start Right Here Find appliance parts, lawn & garden equipment parts, heating & cooling parts and more from the top brands in the industry here. Info by Dave Kirk & Richard Christensen It's a phenomena known as "after-fire" in the trade. I have a 5 year old Craftsman lawnmower with the 15 hp kohler. Repair Parts Home Lawn Equipment Parts Kohler Parts Kohler Command Pro Series Engine Parts Kohler CH750S-CH750-0010 Engine Parts Continue Shopping Proceed to Checkout We Sell Only Genuine Kohler Parts. Before I ran up to get new tune up stuff I threw the compression tester on it. Your Engine just started acting up and you don't know what to do. TP-5986 4/03 Safety Precautions and Instructions III Fuel System Explosion. (B) ELECTRIC START MODELS: Move switch to START position--release as soon as engine starts (switch wii remain in "ON" position). Rapid deceleration can cause a backfire. I have a Kohler engine on my lawn mower and it will backfire after mowing if you shut it off right away. PROBLEM: Will not start & run. Start Valve Enrichment Use of the SV start assist valve for priming during cranking is helpful. (2) Disconnect the power to the battery charger. I have a Kohler 25hp twinCouple weeks ago after changing oil using full syn Mobil 1 10w-30 I would get a knocking noise after hour of running it. I cant find any screws on the carburetor to adjust the mixture. I have a Kohler Ch-25 engine on a Zero turn mower. I was shutting it off at idle when I first got it new. Starting up a lawn mower should not generate any backfire but if it does happen, it is a clear indication of damage on the mower. Sometimes it runs longer than the next but never over 3-4 minutes. It got so bad the dogs were scared every time you started any small engine. Kicks back when starting: Flywheel key is nicked, or, on points-type engines, the condenser is defective or point gap is too small. For removal water gets my. What causes my Cub to backfire? 2. Kohler OHV Horizontal Exmark Zero-Turn Mower Replacement Engine with Electric Start — 725cc, 1 1/8in. has been out here in storms in winter and summer at least 20 times. 5 won't start, cranks hard, and backfires | LawnSite. As with all engines, you need spark, fuel and compression. Your Engine just started acting up and you don't know what to do. It backfires when trying to start. Kohler has said the motor needs to be replaced but won't pay for it. If it has one that is. Causes of afterfire, and how to fix them. The vertical-shaft gasoline engines range in horsepower from 20 to 25. had a kohler command series do the same thing- one of the rocker arms was broken in half! and guess what, that part is no longer available, had to get a junk engine and take the rocker from there. Hot Parts! Engine components can get extremely hot from operation. We usually refer to an exhaust backfire as a "backfire", and backfiring through the carb as "spitting" or "coughing". What is the difference between an afterfire and a backfire? An afterfire is essentially a type of backfire - not all backfires are afterfires, but all afterfires are backfire. It has good spark – removed plug, reattached plug wire, turned engine over with end of plug held near metal frame, sparks. The Kohler Aegis engine series is one of the most powerful engines currently on the market for residential and light commercial power equipment models. Kohler command engine leaking oil bad hea easy fix. Then shut it down and let it cool down and start it back up it would be fine. Tuning a Kohler Carbureter Lawn, Turf, and Grass Lawn, Turf, and Grass I have a riding mower with a 46' deck powered by a 18. It was a winter project, so I took my time and put together a hot rod Kohler, something I've wanted to do for a long time. Kohler Engine Backfires, What The Hey? - posted in Tilling & Plowing: sorry I haven't remembered to get pics of it but My Ariens s 14 h was working fine plowing snow, then it was backfiring and cutting out when i move the throttle up. Re: calling Kohler experts - Kohler Knock Kohler knock caused by wear on cam where push pin rides. If engine is hard to start or runs rough, check the troubleshooting section of this manual. Kohler parts and Kohler repair parts for Kohler Engines: K Series, Kohler Engines: CH Series, Kohler Engines: CV Series, and more. ) and Jeff Gruell (Kohler Co. 5 engine stopped working, when I tried to restart it it will crank but not start. Took plug out & it is getting fire,Replaced Carb new seeing old one leaked into muffler still not starting. Another place to look may be your fuel solenoid on the bottom of the carb. Won't start when hot: If the engine spins too easily check for valves that are sticking open. Other reasons for blue or white smoke from engines include: Exceeding the engine's oil capacity shown on dipstick. PROBLEM: Will not start & run. On Magnums, K and KT series engines, Kohler suggests the cool down before shutdown but that doesn't do you any good if your idle is set too high also. Call 1-800-544-2444 (U. If engine will be out of service for 2 months or more follow procedure below. Check your oil and post back. backfire is a result of half burned, hot exhaust finding oxygen to finish burning. The flame arrester is pretty burned from i guess the backfiring. Fuel shutoff solenoids prevent engines, including the Kohler brand, from backfiring. Engine started backfiring and stopping about three months ago. The anti-backfire solenoid valve [in the carburetor] shuts off the engine when the ignition is turned off. I have a Kohler K341 16 horse cast iron engine on a Allis 716 tractor. I have yet to have used this generator because of this issue. I was mowing recently when it started backfiring like crazy. Will not start. The engine runs, it ran before I took the carb/air cleaner off of it. Before working on the generator set or connected equipment, disable the generator set as follows: (1) Move the generatorsetmasterswitchtotheOFF position. Result: a very loud bang every time I shut off the Kohler engine. Listen here: John Deere Maintenance Monday: Backfiring lawn tractor engine. While it's not dangerous, it can be a symptom of other problems, and should be addressed. 5 engine stopped working, when I tried to restart it it will crank but not start. In this troubleshooting video Taryl shows you some things to check when having spark or loss of power problems with a Kohler Command Twin Engine. The carburetor continually ne Tuning a Kohler Carbureter: Lawn, Turf, and Grass -- Landscape Discussion Forum. Model CV16S - 43519. When I put the shut-down solenoid back it does not start at all. A: I would not spend any money on that Kohler engine, it is not a quality engine to start with. it wont start it turns over but does not start. Before selling my C-120 years ago, it would backfire every once in a while on shutdown. Check your oil and post back. Engine oil capacity is dependent on your specific engine model and can be determined by checking the Oil Recommendation FAQ. Some models will have a relay that will let the engine spin but will kill the spark to the spark plug. I have a 5 year old Craftsman lawnmower with the 15 hp kohler. We also have 31 horse power Vanguard engines that we install in the Bobcats and similar loaders. After spring cleaning this year, I can't find the original carb to save my life. Fault code is displayed if the engine starting battery voltage falls below 9. Kohler Engines Courage Single (SV471, SV530, SV541, SV591, SV601) Parts and Accessories, Find Any Part in 3 Clicks, If It's Broke, Fix it! Free Shipping Options, Repair Schematics. My craftsman rider is a 17. If the engine had worn out rings or a scored piston, it may backfire in addition to the fact that it may also pressurize the crankcase and push the oil out. 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. i have good spark but just keeps backfiring threw the carb. The correct term is the "Anti-Afterfire Solenoid". First i checked the flywheel key, it ok. Even when it is running it will occasionally take a spell of cutting out like it has water in the gas, backfiring occasionally. I have a Scotts tractor with a 17. the popping sound could be a backfire, from improper detonation of fuel ,a simple compression test will tell if this is in fact the problem. So I changed it back to Kohler oil 10w-30 and week later it starts backfiring. Probably one of the most informative small engine manufacturer websites online is the Kohler engines' site. Manual states to shut off engine at 3/4 to WTO. ? My question involves problems with my Craftsman riding lawn mower with a Kohler 16 hp OHV engine. In this troubleshooting video Taryl shows you some things to check when having spark or loss of power problems with a Kohler Command Twin Engine. In this edition of Maintenance Monday, we're answering a question from Dena in Mississippi. Small Engine Troubleshooting. Power loss and backfiring can be caused by poor maintenance practices or problems with the mower engine. The Secret to Long Engine Life: Advice from the Experts on Maintaining Your Welder Generator's Gas Engine Print Article Industry Experts Mike Trinkner (Miller Electric Mfg. I find that most of the time I get them is because of bad fuel. Wait a few seconds and it will start and run and do the same thing. While the engine is running at almost full trottle and I engage the cutters, the engine will start backfiring. Kohler manufactures engines and engine-related parts to serve a host of applications in a variety of weather conditions. I have a Kohler 25hp twinCouple weeks ago after changing oil using full syn Mobil 1 10w-30 I would get a knocking noise after hour of running it. Backfiring is a startling explosive sound that can happen when you shut down your lawn mower or other small-engine-powered equipment. Another type of backfire that can occur in a 23 HP Kawasaki engine is caused by having a poorly tuned carburetor. Anyone out there that has had a similiar problem and would share the findings. While starting up I will partially choke the engine and once it starts (if I am lucky) I will very slowly trottle up. 5 VDC for a 12 VDC system or below 16 VDC for a 24 VDC system for more than 2 seconds when the engine is not running. The vast majority of these use either Tecumseh (as found a variety of Sears/Craftsman equipment) or Briggs & Stratton engines. Though Kohler built the engine to be one of the most reliable options currently on the market, the occasional minor problem can prevent it from properly cranking or starting at a moment's notice. John Deere L110 Kohler 17. i have a 17 hp kohler on my gravely. Get to know the kings of commercial power, and discover how to work more and pay less. Page: 1 2 3 > Showing page 2 of 3 Filter. Re: Engine backfires but won't start. Runs great and appears to get plenty of fuel. It was a winter project, so I took my time and put together a hot rod Kohler, something I've wanted to do for a long time. it wont start it turns over but does not start.