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2004 yfz450

  1. Yamaha YFZ450/450R (2004-Present)
    i bought this yfz450 last year summer. and it plm with charge system like it kept charge it up everytime i use, i put it in shop and they rebuild my top end head value, put the aftermarket hi-comp 13.1.0 wristpin piston and i set the timing it would turning but wouldn't start the engine. i...