Mercury outboard 40 horsepower

Basser11

Recruit
Joined
Sep 22, 2016
Messages
1
Engine runs but during Full Throttle loss of power like it dropped a cylinder what could be the cause ..coil packs Maybe .?any advice would be appreciated thank you
 

Scott Danforth

Grumpy Vintage Moderator still playing with boats
Staff member
Joined
Jul 23, 2011
Messages
51,942
Welcome aboard.

post your serial number and year. it helps for some of the gurus on here to identify problems.

plenty of things can cause a low WOT power. many are fuel system related, some are electrical. lots of guy stuff in the stickies on low WOT RPM and cleaning carbs, etc.
 
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