hey i have a 2002 banshee, its not even broken in yet, it has pipes, k and n and reed spacers, boost bottle, and has been properly jetted.
it keeps fouling the drivers side plug (left side) spark plug. I am gonna try mixing a new batch of fuel (doing the yamlube 24:1) anyone have any idea what the problem is? the other plug is always nice and clean and dry.
thanx!

 

hey man its about your banshee problem i have a banshee too and it never happend to me. i suggest to go to a yamaha store and ask the ?micanique? about it!!!

 

all i can say is "wow"

 

Don't have a banshee but i'm thinking maybe jetting? Hey, I live in Gardiner, where do you ride?

 

i ride in gardiner......

 

why not try likle 34:1

How can it be jetted right when its fouling plugs

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why cant it be fouling because of a bad batch of gas?

 

Mine does it too. I've heard it's the choke.

 

can anyone help with this? why only one plug? thanx

 

Ok, if it's fouling then it has either way too much oil or too rich. You just need to go through the carbs and doublecheck everything. What size jets are you running, altitude, type of air filter, etc?

Chances are there's something simple wrong with that one carb.