1985 Sea King 15 HP

Fyremanvan

Recruit
Joined
Feb 19, 2018
Messages
4
I have a 1985 Sea King 15 HP that idles fine, revs up great in neutral, but when I put it into gear and accelerate it lacks power and the RPMs hardly go up. Any suggestions?
 

RCO

Petty Officer 1st Class
Joined
Jun 15, 2016
Messages
350
Do a cylinder balance test. Most likely running on one cylinder. Yes, it will idle surprisingly well and rev with no load on one cylinder.
 
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