spark plug question

model#50273c rude 72 manual call for champion #ul-77v motor has L77jc4 in it which should be in it?? clueless

Re: spark plug question

Hi, I beleive the 77v was superceded by the jc4<br /><br />Mike

Re: spark plug question

Forgot to mention pretty sure the gap is .040<br /><br />Mike

Re: spark plug question

Thanx again

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