78 merc 115hp carb adjust

doddle06

Cadet
Joined
May 20, 2006
Messages
7
i was adjusting my carbs for the stumble problem and it seemed to smooth out at a leaner setting. if i go to lean will it cause the motor to lock up or anything elese? any help please!!!
 

nos1013

Petty Officer 3rd Class
Joined
Mar 6, 2006
Messages
97
Re: 78 merc 115hp carb adjust

You don't want it too lean. A slightly rich mixture is prefered over a lean mixture on 2 stroke motors. But an over-rich mixture will cause fouling of plugs. Course, plugs are a lot cheaper than a powerhead!
 
Top