Engine Only Runs On Choke

Went through the carb. Screw the screw in until the engine runs erattic (lean). The Poulan tree trimmer runs but only with the choke set at half open. Small Engines (Lawn Mowers, etc. tried another carb & still the same. But if an engine idles well, but runs only at higher RPM (up to 3,200 RPM with a fixed/non-adjustable main jet; or 3,600 RPM with an adjustable main jet) with the choke partially closed, or if it surges or hesitates to rev up upon acceleration, this means the engine is running too lean on fuel, and following are the most likely causes: (listed. Engine Running On ? - posted in Problems, Questions and Technical: i have a problem with my mini. The following troubleshooting tips are based on an otherwise correctly tuned engine, where the choke circuit has been determined to be the cause of the problem. Should the engine be able to run well with the choke fully off?. Weedeater only runs with full choke [ 2 Answers ] I recently pulled my weedeater out of the shed after a long winter. Many years ago, I had a car that started acting like that. the carb it self is what mixes the fuel and air the chokes only function is to reduce airflow to make the fuel/ air mixture more rich to aid in starting. Even if the engine runs fine on gasoline it may not run properly on propane since the KN regulator requires a certain amount of vacuum to open. But once it starts and runs for a minute, it will not run once the choke is pushed back in. This video demonstrates how to clean a carburetor for a small engine that will only run on choke. It's possible the Carburetor is clogged: NOTE: You may want to check the engine for spark. 1) Set choke a little tighter and retry. 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. Try using an unlighted propane torch, and pass it over the carb then open the choke, if the propane keeps the engine running that will confirm the need to plug holes down stream of the carb. The room must be. There are several common reasons why your lawn mower might die when you're in the middle of cutting your grass. the moment i remove choke the bike dies. tried another carb & still the same. Outdoor Gasoline and Electric Powered Equipment and Small Engines - Briggs and Stratton only runs with full choke, despite carb work - I’ve got a John Deer L108 riding lawn mower. Since the engine VERY much likes the choke to be pulled to run decently at all I'd assume I've got a lean condition (duh) and since I cannot find a vacuum tap that goes to the distributor I have to assume that I've an open line to manifold vacuum and that's causing the lean condition. The choke is only used when starting a cold engine. What do you think. As soon as I open the choke, engine dies. I crank it let it warm up when I slowly turn the choke of it dies when 1/4 from being off. Leaving the choke on while operating will result in excessive fuel consumption, irregular engine power performance and eventually may even damage the engine. Tecumseh 5 hp model hssk50 67317m snow king. Still hard time to get started. I'd zero everything out and put a turn in the H & L. The engine starts up quickly. I had to replace the carbs on the engines I had that choke to run problem. The engine is so hot, it'll burn pretty much anything, lean, rich whatever at least for a time and with the right throttle setting. I originally posted this question (1972 Honda CB750 Motorcycle Choke) and it solved some of my problems but now that the bike is running I'm having an issue where it never runs with the choke fully off. and Make and Size I hate to safe thats it. Soaking the carb may not be enough. If I move it off of full choke it shuts down. 0:1 compression. You then move the choke to the normal run position, the engine will stall. To test for an air leak or bad gasket allowing air which is would cause a lean mixture which would be compensated for by the choke, you would spray carb cleaner on all of the likely air leak joints while the engine is running and listen for the engine to sputter or rev whien you find the leak. In most cases a tractor only running with the choke pulled out indicates trash and/or contamination being present in the carburetor. Hey everybody. When I hold my hand over the intake to make it run, it usually runs gas out into the filter housing box, with the choke on. In some cases it may only happen under certain conditions, for example only after the mower gets hot, or only when the fuel level gets low. Check the fuel filter on the bottom of the pump. When I got a can of new fuel this year, it would start and run while I had the choke on, but when I tried to take the choke off, it would simply die. Even once very warm, turning the choke off or giving it any throttle kills it. Starts first time, runs perfectly appart from even after a long running time, if I start to move the choke from full on to anywhere toward the off the engine cuts out. The spark plug electrode is kind of white. I tried my old carb and new. JD Gator only runs with choke John Deere Gator John Deere Gator I just picked up a used 4x2 from a friend and it only runs with choke 1/2 way (it will run without but once you give gas it d. Therefore, the choke provides a richer mixture by slightly closing off the carburetor’s air supply. I have it backwards then and kills my idea that choke needs to stay on for it to run. If it runs with choke open , that is not the issue. New Models Professional Landscape Solutions Black Mountain, NC (828) 357-8222. I changed my oil due to the gasoline in there, now my bike will only startup with the choke, then it dies when given throttle. After not being run much for a couple of years I drained the fuel tank (replaced fuel with ethanol free mid grade fuel), filter, replaced fuel lines and removed and cleaned carb. After rebuilding the carb, I can get it to start and run fine but it will only run with the choke full open. The needle should be clearly visible. The job of the carb is to accurately meter extremely tiny quantities of fuel and mix it with the air entering the engine so that the engine runs properly. I have taken the muffler off & it was well choked up with coke but after cleaning it's still doing it. Re: Engine only runs with choke on Ok, this seems to be my confusion. Only runs on choke March 26th, 2016, 08:33 PM. It starts but will only run with the choke on. Soaking the carb may not be enough. I drove the capri into the shop and pulled the engine, seemed to run fine but I did not run it long. An engine that requires the choking ( partial or full ) after initial engine warm up is an indication that the engine fuel air mixture system is out of adjustment. The engine has a multi year warranty that it will start on the first pull, and it does. When its your newbie for the purpose of purchasing a used car, then you definately should become aware of the authentic cost i need money loan new york ny from the motor vehicle, furthermore you need to be aware of certain points which supports people within. If any kind of load is applied it will stall and then i noticed it will only run with thte choke blade almost closed. The fact that you mention "I assume it’s runs to lean without choke? Even with choke doesn’t have a lot of power" leads me to agree with your assumption. Electric fuel pump works (clicks). the cars starts fine, but when the choke is pushed all the way it stalls and dies. I have taken the muffler off & it was well choked up with coke but after cleaning it's still doing it. Sometimes you will run across an old two stroke engine that will only start with a squirt of starting fluid. Honda power washer only runs in choke will not run with choke off It is starving for fuel. It's an introduction to small engines and covers many of the things that apply to 2-stroke engines (which will be covered on this page). Still hard time to get started. even with the choke on it sounds like it is running rough. The skeeters caused the choke thread to go to overtime. Re: Outboard motor needs choke all the time :-( The carb has to mix the right amount of petrol with the right amount of air in order to work efficiently. Outdoor Gasoline and Electric Powered Equipment and Small Engines - runs only on choke - My pressure washer has a Briggs engine Model Number 150212, Type 0122 E9, Code 070612 with a float bowl carb. From the link: The output for the last three months from utility scale solar generation was 1,300HWh – almost three times the generation in the same time last year, which reflected the growth from newly connected solar farms in Queensland such as the Clermont, Haughton, and Rugby Run installations, and despite the fact that many facilities were turned off on occasions due to negative pricing. The needle should be clearly visible. Is there one for idle only?. Turn engine over 3 Revolutions – Choke in on 3rd Revolution; When Engine Starts – Push Throttle Lever (Right Lever) Up; Put Left Lever all the way down. lawnmower engine only runs with choke engaged Rose Students Essential the Taubmans technique is. Any help much appreciated. Actually, the idea that two carbs are better. Lawnmower Repair and Service Maintenance Tips 41,928 views. Bolens BL110 only runs on half choke. Just try pushing the choke back in a little bit at a time as you cover the first mile or two. I have cleaned out the carb twice. 8hp tecumseh snowblower engine that wont stay running?? carb problems? More questions. Engine Will Only Run On Choke, Wont Tick Over Off Choke - posted in Problems, Questions and Technical: Hi, My problem is with my mini mayfair 1987 998cc, it seems to be fine on the choke runnin at 2000 rpm but wont tick over off choke?. 5 hp Briggs & Stratton aerator engine will not run when the choke is switched to the run position. I have a union power pressure washer it runs for 10 minutes and then cuts off and wont work again, it still needs the choke on when the engine is warm and only runs for a few seconds "it still needs the choke on when the engine is warm and only runs for a few seconds"This sounds like a fuel problem such as the carb needs cleaning. 05 250 only runs with choke fully engaged I use the choke, and it will run. The only way it starts and runs is with the choke full on. I have a 17 hp tecumseh engine with trouble, it runs like it is to lean it will only run on full choke and it? I have a 3. putting a tablespoon of gas in the throat of carburetor, engine starts immediately and runs 2-3 seconds until tablespoon of gas is consumed. At first I can only get it to start if I use starting fluid. The other could be a clogged low speed and idle circuit. Only runs on choke March 26th, 2016, 08:33 PM. Dirty carb or sticking needle valve??. I theorized that the float arm had bent due to all the bouncing it experienced when I moved it on a trailer from CT to ME. It also lacks power and after running for a while will stall. The spark plug electrode is kind of white. I bought a new carburetor for it and in reinstalling I'm not sure where to connect the governor link and spring. I have a 89 EZGO golf cart that will only run if I have the choke on. As soon as I give it revs the choke automatically disengages & the engine stops straight away. now turn on fule and make sure it runs trough the float needle if it does turn off again. Still hard time to get started. I have a typical small engine power washer which was running fine the first day I used it this year even on the old fuel. Whassup? It runs with the choke off, now. Tiller is only five years old and is used maybe at most 4 times a year. But when you flick the switch to fast, it just splutters and dies. If the engine only runs with the choke full on it means you have a vacuum leak and the engine runs too lean with the choke off. Lawnmower Repair and Service Maintenance Tips 41,928 views. Even if the engine runs fine on gasoline it may not run properly on propane since the KN regulator requires a certain amount of vacuum to open. Now to answer the question, I'll bet if you go get a $4 carburetor diaphragm gasket, the engine will run just fine. The Onan engine is known to get a Idle jet plugged up from sediment in the carb. Our repair and symptom guide will help you identify the problem and how to fix it. all is well. Find yours at Lake Time Boats in Winter, WI. Tractor will run if choke is pulled out and stays out. Thetford 31661 Aqua-Magic V Low White Foot Flush Toilet with Sprayer 28958316615,Yamaha Choke Cable 2000 2001 2002 GP 1200R 67X-67242-00-00,New Lambretta Chain Sprocket 46 Cogs Crown Wheel GP SX LI S TV Series AUD. It works 175MPH. The engine starts easily and runs strong for about a minute or two. As soon as I back off of the choke, the engine stalls. (Depending on how your engine is timed, 3/4 down might be better. tried another carb & still the same. Some engines utilize a manual fuel primer bulb to enrich the ratio of fuel in the fuel air mixture for initial engine starting. It has always need a little choke to run smoothly after it warms up. One the engine has fully heated and the engine dropped to its lowest rpm (choke all the way off), then the locknut screw (hence the 10mm wrench) is adjusted until the engine is idling at about 850-900 rpms. Hey Matthew, I just bought a 79 cb650 and I rebuilt the carbs 3 times, soaked every part in carb cleaner 3 times, used a rebuild kit for the seals and stuff, air hoses all the small holes, but it still only runs on choke. It’s power come from 810cc Vanguard engine with better air management. Outdoor Gasoline and Electric Powered Equipment and Small Engines - Briggs and Stratton only runs with full choke, despite carb work - I’ve got a John Deer L108 riding lawn mower. ? I have a Jonsered GR50 brushcutter/strimmer which will only run on choke. I don't have any air leaks and I have good spark and spark plugs. You will not know if the BB is missing cause it will look like another hole in the carburetor. the cars starts fine, but when the choke is pushed all the way it stalls and dies. The Splitter is about 10 years old and has a Honda engine. After a few minutes the engine will idle fine on it's own and restart straight away. Move the choke lever/rod to the OFF position as soon as the engine fully warms up and runs smoo thly without use of the choke, or for restarting a warm engine. The choke settings on a trimmer are manual controls that allow you to regulate the fuel and air mixture in the carburettor when starting the engine. When the engine is off, the choke is closed. Runs perfect when the choke shuts off for extended period at idle. Just press the accelerator pedal down about one-quarter of its travel to the floor, and thrn the ignition key in the switch to "START", when the engine starts running under its own power, release the key. if everything is working properly the choke needs to be open when the engine is running otherwise the engine will not run properly and. I only wear leotards on Sundays, rest of the time it's commando all the way! Engine running at idle. Hi everyone, I recently bought a 84 V65 and finally got the engine to run. I've ran it for about 5 to 10 minutes in the full choke position but every. Well, you've got the choke open and choke closed idea backwards. we took it out for the first time tuesday and it would only run on half choke until about 20mph and then you could take the choke off and would run great. If the fuel pump is failing it might would still run but only with the choke out. get below about 20 and it would sputter a bit and stop it might run or not. After putting it in the snow blower, it only runs with full chock. A side note: I jump start the bike using my car and I keep the the car is running. Rough Idle. I changed my oil due to the gasoline in there, now my bike will only startup with the choke, then it dies when given throttle. the cars starts fine, but when the choke is pushed all the way it stalls and dies. Leaving the choke on while operating will result in excessive fuel consumption, irregular engine power performance and eventually may even damage the engine. Both the manual choke system and the manual primer system engines may experience this similar symptom of running only when the fuel mixture is enriched. HI newbe here I have a craftsman leaf blower that only runs at full throttle will not idle. It purrs on idle then; however, if I give it any major throttle in my barrel, it Boggs down quite a bit. Then, turn the idle mixture screw slowly clockwise until the engine begins to slow. Engine will run if choked. Kohler 16 horsepower engine service manual. Motorcraft 2100 Carburetor Choke Circuit. The faliure of the 50 mph trike was most likely not caused by wear and tear on the engine, or even damaged parts, but by a simple mistake in the tuning process. When I move the choke to "Auto" the engine picks up rpm for somewhere between 2-3 seconds and dies. has been cleaned. This is a 3 inch pump powered by a Honda GX160. I've changed the plug and installed new air filter. Here is what I did. It also lacks power and after running for a while will stall. It will now only run in the mid-level choke position and runs at about 3/4 of normal high rpm. Check the fuel filter on the bottom of the pump. Electric chokes are bi-metal springs that cause the choke to close when the spring is cold. As soon as I get going with the choke on it runs fine but as soon as I shut the choke off i. tried another carb & still the same. What causes an engine to only run when the choke is on is not enough fuel getting to the engine. ill let it run for about 15-20 minutes with the choke engaged and the moment i remove the choke the bike dieswhat could possibly be wrong?. The choke is designed to only provide a rich fuel/air mixture for a short period when the engine is cold. so i have a homelite bandit sx-135 on my bike set up as a friction drive. Hi All, I'm working on a Briggs vanguard 16 hp v twin engine. Be careful not to enlarge metering hole size. Only Runs on Half Choke. If it only runs on full choke it may have a whacked out float height or a clogged jet keeping it from getting the gas, too. Engine is slow to start then only runs with the choke full on and runs ok at about 1500 rpm and below. Choke open is the normal running position. It generally runs fine, but increasingly I find that it stalls out at idle (only). Check out our 2100 carburetor kits. The choke being closed can cause the engine to get too much fuel on start up. Some engines utilize a manual fuel primer bulb to enrich the ratio of fuel in the fuel air mixture for initial engine starting. JD Gator only runs with choke John Deere Gator John Deere Gator I just picked up a used 4x2 from a friend and it only runs with choke 1/2 way (it will run without but once you give gas it d. Tractor will run if choke is pulled out and stays out. I have taken the muffler off & it was well choked up with coke but after cleaning it's still doing it. Air Intake, Restricted See A/C, restricted Automatic Choke The automatic choke function of the Pulsa-Jet carburetor used on vertical crankshaft. If I open choke more or depress foot pedal more than 2 inches down (or more than about 1/4 of the total travel) the engine dies. Only runs on choke March 26th, 2016, 08:33 PM. The skeeters caused the choke thread to go to overtime. Re: Outboard motor needs choke all the time :-( The carb has to mix the right amount of petrol with the right amount of air in order to work efficiently. Can take the unit for warranty service but there is a 3 week backlog. When retrieving trouble codes, only consider related codes to a specific misfire problem, like an ignition coil failure code. Some times a back fire into the carburetor will blow a pressed-in BB out of a drilled passage way. Now it runs with the choke on. Went through the carb. If I move it off of full choke it shuts down. Honda 5hp engine only runs when choked. A little throttle will kill the engine. I was able to restart it for a few seconds. 8hp tecumseh snowblower engine that wont stay running?? carb problems? More questions. 2) Choke pull-off opening too much. No matter whether the carb adjustment screws are turned in fully and turned out as much as 8 turns, at about 9 turns they are out. If the fuel pump is failing it might would still run but only with the choke out. If loosening the fuel cap allows the engine to stay running it is likely clogged and will need to be replaced. Sure sounds like a vacum leak. ENGINE ONLY RUNS ON CHOKE have 5hp b&s put new carb on it only runs with the choke no throttle action carb is a wilk i believe no adjust just i think air screw is. Fuel blockage somewhere???? I am at wits end, I’ve never had a problem like this in all my years of small engines. Hoping someone can help point me in the right direction. Hey everybody. pdf), Text File (. The spark plug electrode is kind of white. In an event of a return, coupon savings may be deducted from your refund. Lawn Mower: Only Runs With The Choke On. Subject: Briggs & Stratton 18 Twin II will nly run on full choke Thu Oct 27, 2011 8:56 pm My buddy got this 18 Twin Briggs and we can't seem to get it running properly I was hoping someone might have an idea. As soon as I get going with the choke on it runs fine but as soon as I shut the choke off i. It's an introduction to small engines and covers many of the things that apply to 2-stroke engines (which will be covered on this page). That is with throttle full open. And the only way to REALLY clean it is to get the carb off, pull the jet, carefully poke a thin strand of wire thru all openings and blow compressed air and cleaner up, down, in, out, and thru everything, top to bottom. Weedeater only runs with full choke [ 2 Answers ] I recently pulled my weedeater out of the shed after a long winter. i had my bike out the other day and it ran like normal. Only starts & runs with full choke So i went to start my 07 350 the other day and will only start and stay running with the choke all the way on. after banging my head against a wall for the last 30 days and living with it fully choked I finally found the problem. Engines with fuel-injection systems do not have carburetors, so they won't have choke controls. Had this problem with it last year so today I figured I'd take a whack at fixing it. It works 175MPH. I tried my old carb and new. * Note: If you have an automatic choke try disabling the choke and holding it all the way open with a zip tie or other device. when you open the choke the motor wants to die and you have to keep giving it gas and it starts to back fire. It runs on the choke but not when the choke is pushed in. 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. My Tiller is only running with the choke on. Harley Davidson Community Harley Davidson Community. It has a Tillotson HL283 carb. If the car starts when cold but, idles rough or does not want to stay running, this can indicate a problem with the engine. 5 hp Briggs and Stratton motor on it. Your pilot circuit is obviously not doing its job. I pulled the carb, completely dissassembled it, and soaked it one of those paint cans of cleaner but no change. The faliure of the 50 mph trike was most likely not caused by wear and tear on the engine, or even damaged parts, but by a simple mistake in the tuning process. Although it may have something to do with your E3 Car Spark Plug , it is more likely the result of using E10 gasoline, especially if you live in a hot, humid area of the country. Within the first 20 or 30 seconds the choke should come off and the required fuel/air mixture is then supplied by the pilot circuit. I have a typical small engine power washer which was running fine the first day I used it this year even on the old fuel. This engine only runs with choke in 1/2 position. Honda power washer only runs in choke will not run with choke off It is starving for fuel. Starts on full choke but will stall with choke fully open. Overview: There are quite a few differences in the operation of 2-stroke engines compared to 4-stroke engines (which were covered on the Basic Small Engine Repair page). but still fully choked. Cobalt Zero turn mower. As soon as I close the choke a bit or give it a little throttle, the engine will die. The choke being closed can cause the engine to get too much fuel on start up. Have a 1997 Toro Z master 222 with a Kohler Cv730-0027 with a 25 horse power engine in it that would only run on full choke I found the problem it's fixed. 14" craftsman tiller with 6hp briggs intek engine. Sanded the pin that was in it for awhile, put it back in runs much better now only 1/4 choke. Tractor will run if choke is pulled out and stays out. What position is the choke in when it dies. What should I do to correct the problem? There is a new fuel pump and the carb. Have a 1997 Toro Z master 222 with a Kohler Cv730-0027 with a 25 horse power engine in it that would only run on full choke I found the problem it's fixed. The job of the carb is to accurately meter extremely tiny quantities of fuel and mix it with the air entering the engine so that the engine runs properly. we played with the air mix screw not much of a change, we changed the fuel filter. On any equipment with naturally aspirated engines, running with the choke out almost always means an air leak somewhere in the intake train. Bolens BL110 only runs on half choke. I'd zero everything out and put a turn in the H & L. Do not see any fuel adjustment on Carb. This bike will only run with "choke" on or if I manually rev engine at higher idle by hand. Obviously this isnt correct. 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. If I turn the choke to full open/run position it will die instantly. What Causes An Engine Run Lean? The internal combustion engine is an engine in which the combustion of a fuel occurs with an oxidizer (usually air) in a combustion chamber. So if it will only run choked, even when warmed up, it sounds like too much air is getting into the engine. The fact that you mention "I assume it’s runs to lean without choke? Even with choke doesn’t have a lot of power" leads me to agree with your assumption. Tried to run it this year and basically it will only run with the choke on, even when its warmed up. we played with the air mix screw not much of a change, we changed the fuel filter. Lawnmower Repair and Service Maintenance Tips 41,928 views. A Solution for Flooding. Running with false enrichining like the choke does, indicates an lean condition. IM STUMPED. I've got a lawn tractor with a Briggs 14 hp ohv engine. I have cleaned out the carb twice. My Honda is roughly 10 yrs old, model HRB216TDA. Very simple Mariner5 air-cooled 2-stroke runs fine on half-choke , dies on anything less. If the engine is still running, that means the gas cap may be the culprit. It also lacks power and after running for a while will stall. After putting it in the snow blower, it only runs with full chock. As the engine warms up, the automatic choke adjusts to the temperature change to regulate the fuel/air mixture to the proper ratio. Tightly cover the intake with your hand until the engine stumbles and nearly dies. Even once very warm, turning the choke off or giving it any throttle kills it. New Set of 3 Yamaha PWC OEM Motor mounts 68A-44517-00-9M,Polaris Choke Cable 1998 SLTX 7080755,WSM Complete Top-End Kit 72. Will run with only the choke on. now turn on fule and make sure it runs trough the float needle if it does turn off again. this didn't seem to help. use an air line to blow out carb where the stud came out of. Just try pushing the choke back in a little bit at a time as you cover the first mile or two. A "choke" blocks air moving through the carb in order to richen the mixture when cold. The actual speed of the engine idle will vary, depending on the temperature of the engine. Seems a little strange that the problem only occurs when the engine is warm. This engine only runs with choke in 1/2 position. That is with throttle full open. we played with the air mix screw not much of a change, we changed the fuel filter. Once you let your foot off the gas, the engine returns to normal idle and idles fine because only the slow jet is used at idle and the throttle plates are essentially closed. This obviously caused a large air leak, and the symptoms you described. Ford Lgt 12hp Kohler Won't Run Unless Choke Is Pulled Outhelp - posted in Ford, Jacobsen, Moline, Oliver, Town & Country, White: Hello - I need help on how to keep my tractor running. When I got a can of new fuel this year, it would start and run while I had the choke on, but when I tried to take the choke off, it would simply die. Kohler Command 16HP Vertical Shaft Engine Service Manual - Free download as PDF File (. Lawnmower Repair and Service Maintenance Tips 41,928 views. I let it run for 10 min with the choke 1/2 on. Finally trashed it and bought a Troy-built trimmer with Ryobi motor. Get yours online today and pick up in store. The sad part is that the engine only runs with full choke. Bolens BL110 only runs on half choke. Runs perfect. hmm the choke on is all the way down right and off is up? just making sure. As soon as I give it revs the choke automatically disengages & the engine stops straight away. In addition, when it is not getting enough fuel it is not getting enough oil for lubrication. Any help much appreciated. Tiller is only five years old and is used maybe at most 4 times a year. When youre ready to make sure you buying a car generally there are a few things which it is recommended to keep in consideration. putting a tablespoon of gas in the throat of carburetor, engine starts immediately and runs 2-3 seconds until tablespoon of gas is consumed. But once it starts and runs for a minute, it will not run once the choke is pushed back in. Someone said to replace the diaframe. If it only gives a "kick", try pulling the cord again; Then turn off the choke and allow the engine to continue running ; If the engine won't start, repeat the process from the start by turning the choke back on, priming the engine, and pull-starting. Normally, I think the choke has to be wired to the alternator in a way that it only gets heated when the engine is running and the alternator gives. I have a 89 EZGO golf cart that will only run if I have the choke on. So don't keep running her if the carb rebuild don't help. The main difference (from a basic. Have you checked the key in the flywheel?. I have a Ford 9N tractor that I'm trying to get running for my brother. Original 1964 Kohler K181 engine on a 1964 864 Wheel Horse. Both the manual choke system and the manual primer system engines may experience this similar symptom of running only when the fuel mixture is enriched. Turn off the engine and remove the gas cap. It runs great at half choke but starves for fuel when I open choke. Only runs on choke March 26th, 2016, 08:33 PM. Dwight Coleman there are usually only a few possibilities if it only runs with the choke. I got the engine to work fine, but it only runs with the choke on, once the choke is off the engine dies. The choke is only used when starting a cold engine. Rebuilt hot-water choke and carburetor (including seat/needle valve and both plugs) Since choke-only operation usually means fuel delivery, I pulled off the carburetor again to run all the checks I know how to do. the engine RPMs will change too much with electrical load and it won. Once it's running, it only runs for 10 secs, or so,before it dies. Screw the screw in until the engine runs erattic (lean). I have pulled the carb/jets etc and cleaned everything with carb cleaner and compressed air (carb was really dirty). This is a general guide which will list symptoms for 944 starting and running problems and common causes of those problems. At first I can only get it to start if I use starting fluid. The specs online say it's engine is a Honda OHV/OHC Premium Residential engine. If the fuel pump is failing it might would still run but only with the choke out. My last mower was a Sears Craftsman with a Honda motor. Its a blower/vac combo. When engine compression drops so will engine vacuum.