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Discussion Starter #1
My dealer will be turning down my oil pump when I bring the sled in for preseason check up - it was at about 30 to 1 last season straight from the factory.  I fouled a lot of plugs partly due to this, but also because its probably jetted rich.

I talked to the dealer and he's not big on making jetting changes for people but I think it would be safe to at least decrease the main jet size??  I don't know squat about jetting, just from what i've read on this board, but does this seem right?

I would only change the main jet size and not mess with the other settings like the pilot.
 

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Discussion Starter #2
anyone have info on this?  should I just leave it as-is or change out the main jets?
 

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When you get it on the snow this season check the plugs for good colour and also check
the piston wash. Just keep track of the temperatures when you check and that will serve as
a good baseline. Chances are the stock jetting is pretty close. Good luck.
 
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