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post #13 of Old 04-08-2013
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Re: Repair 4 hp two stroke ?

Originally Posted by Lou452 View Post
The 4R77B makes it a 1977 ? The compression was 60 lbs The exciter coil must be good. It is what lights up the test light at the connection plug. I am not sure about a ground kill it must work from a point at the throttle. Thanks again, Lou
60lbs? Not sure what the spec is? but it sounds a little low? Maybe squirt a little light oil in the plug hole and try it again? I think you said you were getting a weak spark from each plug? If all the wiring reads good with an ohm meter you may have bad ignition coils, but that may be a stretch?

Let us know what you find.

Paul T
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