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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
1991 RT 180 aftermarket support.
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[QUOTE="RM_guy, post: 1262329, member: 20652"] I posted this in another thread. There really isn't any aftermarket stuff for the bike: When you tear down the top end take a look at the exhaust port. On mine it was filled half in with alum. that severly hurt the power. I ground it all out (make sure you don't break through), rejetted it and had a ton more power (sorry, I don't recall what jets I changed but I when bigger on the main and played with the needle clip posiyion). The engine is an old MX engine design that they must have thought they needed to tone down by plugging the exhaust. [/QUOTE]
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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
1991 RT 180 aftermarket support.
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