Re: 86 200 hp yamaha idle problem
Could be a few things, change filter and make sure you are getting good gas flow.
Clean the Carb's
Change the plugs
When is the last time you did a de-carb, Yamaha's are know to have a build up, should do every year!
Sure you have good gas?? this new gas gets lots of water in it, is it gas from this season or from last?
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1986 V20 
Old Fishermen never die, we just SMELL that way!!
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