Advancing or retarding timing????Help please.

steve forsythe

Petty Officer 1st Class
Joined
Nov 7, 2001
Messages
245
Is this an easy diagnosis? Can it be done out of the water on muffs? Is it something that a pure amature should mess with? My 200hp merc wants to bogg down at 3800rpm's but above that and below that it is fine. I was told maybe a timing issue??? My mechanic said it was probably just in between jets in the carbs, but he offered no solution, and acted like it could be normal. I cant live with either going 4500 rpms (27knts) or slow it down a little and come off plane.....Help!
 
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