Author Topic: Replaced piston/cylinder now won't fire  (Read 2518 times)

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Offline mountainlake

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Re: Replaced piston/cylinder now won't fire
« Reply #30 on: October 27, 2013, 06:21:54 am »
The small line should be the impulse line and it should run from the crankcase to the carb flange or the pump side of the carb. Try to remove the spark plug and put some fuel in and try it out. With the spark plug not moist sounds like a fuel problem to me. Do you pressure/vacuum check the crankcase. Is your spark threw a tester or the plug grounded on the cylinder. My be a bad plug.

 Yes,  If you haven't tried a new plug and dumped some mix down the plug hole do that first.  Keep in mind when you dump fuel down the cylinder it will take quite a few pulls on fast idle (put the choke on then back off should get it on fast idle) or with the throttle held open to get it to fire.  If it fires and then stops go over the carb again or get a new one making sure you don't have the impulse line blocked off with the carb gasket.  One other thing is your piston the right one for the cylinder, don't think a open port piston will run with a closed port cylinder  Steve

 

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