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main jet

  1. Yamaha YFZ450/450R (2004-Present)
    Are the main jets that were used in the Raptor 660's the same as what is used in the YZF-450's ? Are the pilot jets the same ?
  2. Yamaha YFM350 Raptor/Warrior ('87-Present)
    looking to add a fmf powercore 4 exhaust and eventually something along the lines of a pro design air filter, but one wont break the bank. what size jets, carb kit or what ever do i need to add. my 2002 warrior already has pretty poor throttle response almost a dead spot. so looking for...
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