Question about Craftsman 20 hp 42 in. Deck Lawn Tractor - CA Model

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Cyl fills up with gas after shut down to re-start must remove plug drain cyl re-install plug then mower runs fine??

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Sounds like the inlet needle in the carburetor is stuck open. If you are lucky, you can give the carburetor a few taps near the fuel inlet area. (A few taps doesn't mean hitting it with a sledge hammer.) If that doesn't work, remove the fuel supply line from the carburetor and give the fuel inlet on the carburetor a shot of compressed air.
If the problem still persists, you need to replace the carburetor inlet needle and seat and be sure the float level is correct. I am assuming that you have not had the carburetor off and have not changed the carburetor float level.

Posted on Mar 25, 2014

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1 Answer

Found gas mixed in with the oil in the crankcase on my John Deere riding mower with the Kohler 398 engine


you have a float control problem that is allowing the fuel tank to drain through the carby past the rings into the crankcase. when stationary. Check for faulty needle and seat operation To be on the safe side in future install an fuel tap in the line before the carby and turn off when not in use.

Jun 20, 2013 | John Deere Garden

1 Answer

Start and ran the mower for 10 min Shut it down and now can't get it running for more than 10 sec. Changed the gas drain the old gas Changed the spark plug, cleaned the filter as stated. still can


Tecumseh engine right? Pull the float bowl off the carb. I suspect some water contamination. while it is off clean the jet holes in the nut. They may have varnisized gas in them. contact me with any more questions.

Sep 13, 2012 | Yard Machines Garden

1 Answer

Mower start fine. Runs for 20 min or so and then runs ruff and shuts down. Restarts fine and shuts down appr. 5 mins later. Has new spark plug,air filter, fuel filter and more than enough gas.


It's one of two things. My first thought is that you have a clogged gas cap. Try loosening it when the mower starts to run ruff. If it smooths out again and runs fine, then you know that the carburetor is not venting properly. Either buy a new gas cap or clear the breathing holes in the cap, if possible.

The only other thing it can be is that your Ignition Coil is going bad. A bad Coil, once it gets hot, will shut down. But it usually takes longer than 5 minutes for them to cool down well enough to start back up.

My Vote is the cap!

Good Luck!

Jim

Aug 18, 2011 | Poulan Garden

1 Answer

Help. I need to drain the oil from my PR600y21RP mower but cannot figure out where/how to drain the oil!!!


You should be able to turn your mower on it's side ( the side opposite the muffler) and look on the motor hub within a couple of inches of the drive shaft and find the oil drain plug on the bottom of the engine ( usually a four sided square end pipe type plug ). once you have found it, turn mower back on it's wheels and start and run it long enough to warm the engine oil (5 min. should work). Shut the mower down...have a flat pan capable of holding the oil volume (a little more than a quart) ready to catch the oil. Turn the mower back on it's side and with an adjustable wrench, loosen and remove the drain plug....with pan under mower quickly turn mower back on it's wheels and allow the oil to drain into the pan. if your mower is equipped with an oil filler tube, remove the filler cap and dip stick. This will allow the oil to drain faster.....when the oil has drained turn the mower back on it's side and replace the drain plug...tighten firmly. put mower back on it's wheels and refill with the proper amount and type of engine oil. fill to the proper mark on the dipstick and DO NOT overfill. Start mower and let run for a few minutes...shut down and check for any oil leaks....and you're done ....hope this helps ;-D

Aug 11, 2010 | Poulan Pro " Pro" Self Propelled Mower

1 Answer

1973 CL100 Scrambler, died while riding, won't start


Remove the water trap bowl at the bottom of the petcock, (gas valve). Is there any water or trash in the bowl? Drain a cup of gas from the tank. Is there any water or trash in the cup? Dump it, clean it and re-mount it, ( not all bikes have a water trap bowl ).

Drain the carburetor. There should be a screw on the lower side or bottom of the carb float bowl. Remove the screw then replace it after the fuel drains. Turn the gas back on and wait a minute for the carb to fill with gas. Install a new stock NGK spark plug and try to start the engine. If the bike doesn't start and run properly then shut off the gas and remove the carburetor from the engine.

Remove the float bowl and clean the entire carb with a spray carb cleaner from the auto parts store. Wear protective goggles to avoid getting spray in your eyes. Spray into all the little airways and fittings in the carb. Remove the idle screw and the air screw on the outside throat of the
carb and spray into the screw holes as well.
< < READ CLOSELY > >
Be sure to put these two screws back in the same hole they came out of. IMPORTANT > do not tighten these two adjusters down. Only screw these in until they LIGHTLY seat. Now turn each adjuster one and one half turns outward. Put the rest of the
carb back together, clean the air filter and install the carb. Let the float bowl fill then start the engine.

A “very helpful” rating for this answer? Thanks!

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Jul 01, 2009 | 1973 Honda CB 100

2 Answers

Gilera runner 50cc wont start


Don't do the gas down the spark plug thing. It's a bad idea. Do the following >
Remove the water trap bowl at the bottom of the petcock, (gas valve). Is there any water or trash in the bowl? Drain a cup of gas from the tank. Is there any water or trash in the cup? Dump it, clean it and re-mount it, ( not all bikes have a water trap bowl ).

Drain the carburetor. There should be a screw on the lower side or bottom of the carb float bowl. Remove the screw then replace it after the fuel drains. Turn the gas back on and wait a minute for the carb to fill with gas. Install a new stock NGK spark plug and try to start the engine. If the bike doesn't start and run properly then shut off the gas and remove the carburetor from the engine.

Remove the float bowl and clean the entire carb with a spray carb cleaner from the auto parts store. Wear protective goggles to avoid getting spray in your eyes. Spray into all the little airways and fittings in the carb. Remove the idle screw and the air screw on the outside throat of the
carb and spray into the screw holes as well.
< < READ CLOSELY > >
Be sure to put these two screws back in the same hole they came out of. IMPORTANT > do not tighten these two adjusters down. Only screw these in until they LIGHTLY seat. Now turn each adjuster one and one half turns outward. Put the rest of the
carb back together, clean the air filter and install the carb. Let the float bowl fill then start the engine. This process should get you back on the road.

Please rate this solution. Thanks!

May 25, 2009 | 2005 Gilera Runner VX 125

1 Answer

My 1999 gilera runner 50cc cut out on me,now it won't start


Remove the water trap bowl at the bottom of the petcock, (gas valve). Is there any water or trash in the bowl? Drain a cup of gas from the tank. Is there any water or trash in the cup? Dump it and clean it. With the gas valve turned off, does gas still get past the valve? If it does, then you need to replace the valve. Re-mount the bowl, ( not all bikes have a water trap bowl ). Always turn the gas off when not riding the bike. If the valve will not fully shut off the gas then a leak-down condition can occur and cause gas to get to the exhaust pipe.

Drain the carburetor. There should be a screw on the lower side of the carb float bowl. Remove the screw then replace it after the fuel drains. Turn the gas back on and wait a minute for the carb to fill with gas. Install a new stock NGK spark plug and try to start the engine. If the bike doesn't start and run properly then shut off the gas and remove the carburetor from the engine.

Remove the float bowl and clean the entire carb with a spray carb cleaner from the auto parts store. Wear protective goggles to avoid getting spray in your eyes. Spray into all the little airways and fittings in the carb. Remove the idle screw and the air screw on the outside throat of the
carb and spray into the screw holes as well.
< < READ CLOSELY > >
Be sure to put these two screws back in the same hole they came out of. IMPORTANT > do not tighten these two adjusters down. Only screw these in until they LIGHTLY seat. Now turn each adjuster one and one half turns outward. Put the rest of the
carb back together, clean the air filter and install the carb. Let the float bowl fill then start the engine. This process should get you back on the road.

Please rate this solution. Thanks!

Apr 28, 2009 | 2005 Gilera Runner VX 125

1 Answer

Hard start, trouble idleing


Drain the carburetor. There should be a screw on the lower side of the carb float bowl. Remove the screw then replace it after the fuel drains. Turn the gas back on and wait a minute for the carb to fill with gas. Install new stock spark plugs. If the bike doesn't start and run properly then shut off the gas and remove the carburetor from the engine.

Remove the float bowl and clean the entire carb with a spray carb cleaner from the auto parts store. Wear protective goggles to avoid getting spray in your eyes. Spray into all the little airways and fittings in the carb. This process should get you back on the road.


Please rate this solution. Thanks!

Apr 01, 2009 | 2004 Harley Davidson XL 1200 R Sporster...

1 Answer

Toro walk behind model 20025 Gas running through the carburetor


Carb. float must be stuck open. First if you have no fuel in the tank it must all be in the crankcase.Drain the oil and refill and also check the carb as the float has to be sticking open. Hope this will help you. Donnyb60

Mar 18, 2009 | Toro Lawn Mower With Toro Power Tools

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