Re: Super C won't start?

Posted by John-Paul T on July 15, 2007 at 14:21:19 from (216.169.177.76):

In Reply to: Super C won't start? posted by Dan(Mass) on July 14, 2007 at 17:25:07:

I agree. No doubt its timing. Your firing a cylinder that has the exhasut vavle open, thats the ONLY way it will pop out exhaust as you described. From cars to tractors they exhibit same symptoms when timing off. If firing order is 180o off its like have vavle timing 180o as your firing out of order. You need to check with eye to eliminate all possibilites.

Do what you know is right with a 4 stroke.

Get #1 piston TDC (top dead center). Now rock the crank back and forth till you JUST feel (using a wooden handle spoon put in spark plug hole works) the piston lower. Now have it at just after TDC is what Im saying. Piston at top JUST starting down, maybe 1/10 of a inch at most. HERE is where it should fire! To be technical its about 10o after TDC which is common and good enough to start about anything. From there you need to fine tune it of course.

To verify your in right order and not 180 out you can continue checking by eye with vavle cover off. Your at TDC just ready to fire one, move piston down entire way On way back UP the exhaust vavle should open. Garunteed you NOT out of order then.

When all else fails go with what you know and that is how all 4 strokes work.

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