2007 yamaha 50hp loosing power

Gavinjones0220

Recruit
Joined
Feb 12, 2021
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4
So yesterday I was up on a plane running just fine then out of no where whenever I would hit a wave the boat would loose power but when i backed off the throttle and put it back down it would run just fine until I hit another big wave. I have changed all the fuel filters, checked all the fuel lines, and cleaned the battery cables. Any recommendations on what i should do next?
 

99yam40

Fleet Admiral
Joined
Sep 7, 2008
Messages
9,098
is this the same problem you had back in Feb you called stuck in limp mode?
 

99yam40

Fleet Admiral
Joined
Sep 7, 2008
Messages
9,098
what did you do to fix the other problem?
good chance it is still part of the problem
 

99yam40

Fleet Admiral
Joined
Sep 7, 2008
Messages
9,098
since it was a spark problem before, I would monitor spark when problem shows up to see if all 3 plugs are getting spark.
if not spark look else where.
if it is a spark problem, see what input and out put of CDI is doing.
by the way I do not see how loose plug boots would cause that kind of problem
 
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