last two seasons intermittent miss . I trimmed plug wires, No fix . Mechanic cleaned carbs. checked for water in gas. No help. Took it back this season he says now with head off it looks like cylinder is scored.?? but compression is 180 psi.? I don't feel he is on the right track.
Scored cylinder is not good but why would this be intermittent? Another mechanic elsewhere says he had similar problem that was found to be voltage regulator problem. ($45.00 fix) This sounds more probable mechanically. What do you think? Help I've already spent $300 labor without a fix...
P.S. When not missing engine runs 6900-7000
rpm ,52mph, strong as new.
Scored cylinder is not good but why would this be intermittent? Another mechanic elsewhere says he had similar problem that was found to be voltage regulator problem. ($45.00 fix) This sounds more probable mechanically. What do you think? Help I've already spent $300 labor without a fix...
P.S. When not missing engine runs 6900-7000
rpm ,52mph, strong as new.
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