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I have a 1999 Polaris Trail Boss 250 (It is an automatic). We are getting plenty of spark, have cleaned the carburetor, and the spark plug is getting fuel, but it won't turn over. We've tried pulling it, cranking it, everything we could think of, but still no success. Anybody know anything about it?

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  • nfoerster Aug 21, 2010

    I've cleaned the carburetor thourghly, spark plug gab is good, and gas is getting to spark plug(it's wet when we take it out). However there is a very strong gas smell when we do try to start it up.

  • nfoerster Aug 21, 2010

    The gas is new and the gas tank has been cleaned also.

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Let me get this straight from the begining.lwish to indicate the possible jobs that need to be done.
1. first of all clean the carb once again,check the fuel to the carburetor. Please make sure that the fuel is free from dirt , conatins any water/ rust in the fuel.
2.Once again make sure of the spark.take the spark plug out of the cylinder and check, adjust the gap to about .5
3.Crank and make sure that there is no flooding in the cylinder, pump up several times to clean the cylinder as therby you will have an idea of the compression as well as disperre off any signs of moisture.
4.If possible heat up the plugs a bit in a good flame and put it into the cylinder.connect the plug and see plug sparking in timing.
5. Make sure there is new fuel in tank.
6. Crank for starting.
I am sure these tips must make the engine fire up.
Repeat the procedure , change spark plug if needed, clean the contactor points , check the capacitor or replace.
I am sure these tips would help.

Posted on Aug 21, 2010

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