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07 yfz 450 exhaust

  1. Yamaha YFZ450/450R (2004-Present)
    hey, so iv got a 2007 yfz 450, and like everyone knows they are commonly a hot running rig, well mine had gotten to the point that it was snapping all the heat guard rackets off of the header, after re-welding them all on, i then did a full coolant flush and an oil system flush and topped both...