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Old 05-26-2021, 07:40 PM
Scott Thelander's Avatar
Scott Thelander Scott Thelander is offline
Ultimate Warrior
Join Date: Sep 2006
Location: Lacey WA
Posts: 1,286

gas cap ?? mud wasp in your vent tube ??

probably not since you didnt tinker with them ,,

Maybe you have heard this one b4.... "spent a ton of $$$$ on a boat motor once " twice... 3 times ..

yamaha 90 4 stroke bought it new ,,,, ran SWEET first summer ,,,,
the next year ... issues with rpm dropping off after a few minutes up on a plane ....
ran better on 1/2 tank of fuel wierd,,
new fuel lines,,, filters ,,, ignition ,,, warantee issues ....
then I was washing it and saw a mud wasp come out of the vent for the fuel tank ,,,,

yup ... plugged up the vent exit ,,,

Last edited by Scott Thelander; 05-26-2021 at 07:47 PM.