yamaha f25 bogging down

thelureman

Recruit
Joined
Oct 6, 2017
Messages
1
I have a 25hp yamaha that boggs down when giving it throttle to speed up. I can hold my hand over the funnel air intake, and it will run great. Anyone know why this is? How so I solve the problem?
 

99yam40

Fleet Admiral
Joined
Sep 7, 2008
Messages
8,851
air to fuel ratio is off, need to clean the carbs again.
make sure the tank is cleaned and flush out lines and pump
 
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