Question about Poulan Wild Thing 2375 18" Gas Chain Saw 2.5 Cuin

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The unit runs as if the choke is partially on. The choke is actually wide open. It seems as if the engine is being overfueled. Any ideas?

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Two initial checks--make sure the air cleaner is not plugged and remove the muffler to check for any plugging of the spark arrestor or exhaust port in the cylinder. If no help, the 'H' carburetor needle may need to be turned CW somewhat to the point that the engine 4-strokes (at full throttle), but smooths out immediately to 2-stroke when even a light load (cutting) is applied. The engine must be warmed up to perform this adjustment. Hope this helps!

Posted on Feb 03, 2010


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1 Answer

It starts, runs, but after a few minutes it shuts itself off...any ideas why?

Look first for a plugged fuel line that is restricting the fuel from reaching the carburetor. There is usually a screen filter in the tank and inline filter in the hose and sometimes a filter at the connection to the carburetor. Disconnect fuel hose at the carburetor and opening shutoff valve confirm fuel freely flows from tank.

Old residual fuel can plug the filters because of the ethonal additive.
If fuel line is clear try maintaining the running condition by holding the choke in the partial choke position. Many of these units have a choke that you set and as the engine runs the choke slowly backs off. By retaining the choke on position and the engine continues to run is an indication that the engine is running lean,

This is likely a result of residual fuel evaporating and leaving residue behind in the carburetor. This residue coats the fuel passages and restricts the fuel air mixture resulting in the engine running lean. Maintaining the partial choke compensates for the lean mixture and the engine will continue to run.
To correct for this remove all fuel from the engine. Some unleaded fuel is available from the hardware stores($$) but will help to clean out the carburetor. I have found that by running clean fuel through the machines the carburetor in time will likely clean itself.

Next step if after some run time the unit doesn't improve is to add a carburetor cleaner into the gas. Try again running the unit until engine running condition improves.

If there has been some improvement but the engine is hunting not running smooth than an adjustment to the fuel mix screw on the carburetor will help. Record the position of the adjustment and open 1/4 turn max listening for engine to settle down. The adjustment may need to be returned to the initial position after running as the fuel passages continue to clean out.

If all is well then I would in the future follow manufactures storage procedures.

Last resort is to clean out the carburetor. I do not recommend this unless you have additional skill. It is easy to damage the assembly.

If all goes well then the link provides more advice then you will ever need.

I empty all gas from mine and change the oil after every use. I have sprayed WD40 in carb before storage. I use mind only for power failures.

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What's the best choke setting for starting a cold generator

Full choke to start, open choke partially immediately the engine starts to where the motor runs smoothly, continue opening as soon as you can while keeping the engine running smoothly. Be sure to open fully before leaving the unit, running it with the choke partially on can cause a rich fuel condition which tends to wash the oil off the cylinder walls and it also dilutes the oil with gasoline.


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1 Answer

My 2003 suzuki vl 800 misses real bad and it wont stay started without the choke being out. Could it be a spark plug or what

hi normaly this indicates a fuel problem, as the machine wont run properly without the choke you poss have a blocked jet in the carb or something, when you put the choke on the fuel is then pulled up, as the choke flap has closed of the air flow the natural thing is the vachume will pull up exsess fuel, this is fine until your engine becomes hot then the engine will start to run rough as a result of the overfueling, with respect of the spark plug if the engine runs the chances are the plug is fine, however overfueling will eventualy contaminate the plugs causing poor starting, with extreme care feel the exhaust pire from each cylinder where it comes out of the cylinder head, if it is hot then the spark plug is working just to reiterate you must ware a heat proof glove or wait till the engine has cooled down a bit before placing your hand near to the exhaust to avoid severe burns.

Nov 21, 2010 | 2003 Suzuki VL 800 Volusia

1 Answer

I have trouble initially starting my MTD Yardbug mower. Once going, the engine runs great, but it seems like when the throttle lever is set to choke, it doesn't actually choke. I usually have to either...

Sounds like your throttle cable is out of adjustment (i.e. when you put the carb in choke position is doesn't actually go into choke).

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2004 Honda Shadow Aero stalls

sounds like bad fuel try adding some fuel stabilizer.

Jul 19, 2009 | 2004 Honda VT 750 Shadow Aero

1 Answer

Seems to be overfuelling

There should'nt be any fuel in your oil, it sounds like you might have a blown head gasket. If you think it might be overfuelling then remove the injector clips (don't mess up the order) and pour some fuel down the manifold and try start it. If it does'nt give a good effort at starting then I'd say you need to run a compression test. Sounds like you have a cracked block, warped head or bad head gasket.

May 25, 2009 | 1987 Nissan 200SX

1 Answer

2001 mercedes c240 has a really rough start but when the car almost dies I turn the car off wait 3 seconds and it starts perfect. Next comes the issue with having to warm it up before driving anywhere...

Gasoline- thank you. Warm up is not an issue like diesel is. Sounds like the choke is is either wide open or over choking. With the engine cold, remove the air cleaner and note where the plate is at the opening of the carb. If it is wide open then without touching anything else and engine not running, step down on the gas pedal and see if the choke plate reset itself to restricter the carb inlet. If it didn't, then take some WD 40 and spray the linkages and the rod ends holdin the choke plate.By hand work the plate and linkage holding the gas open at the carb. Then set the plate to wide open and do the gas pedal thing agan to see if choke sets itself back to restricting the carb intake. If it does, start the engine and as the engine warms upm the choke plate should start opening on its own and you are off and running. Roitine question. Is your air cleaner clean? If the choke plate needs adjusting. get back to me. K? Good luck Remember to press the gas pedal down once before cranking. That sets the choke for cold start. Hope this helped you Good luck Note, the WD40 won't hurt anything but avoid spraying with engine running or when engine is hot..

May 12, 2009 | 2001 Mercedes-Benz C-Class

1 Answer

Maxim tiller won't run

Try better quality gas. I had the same problem. Ethanol too high in lower grade gas. Buy better grade or ethanol free. Mine works fine with better gas.

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Refrigerator door swings wide

Refrigerator doors do open wide. They must have clearance for the crisper drawers. The unit should have a slight tilt to the rear to automatically close the door when partially opened.

Mar 21, 2009 | Refrigerators

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