by Joe Buono
(Hingham, Ma)
1982 Merc 115 tower of power making ticking noise at low rpm. Tick increases with speed up to 1000rpm then goes away. Happens consistently whether in forward, neutral or reverse. Have probed all around motor with mechanic stethoscope and can't pinpoint where tick is coming from. Motor runs great otherwise throughout range all the way up to wide open throttle.
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