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  1. Yamaha YFZ450/450R (2004-Present)
    I have reached my wits end on what to do regarding my CDI box. I have a 2004 YFZ 450 that I am working to get back in running condition to sell and continue having an issue with the CDI box. I have replaced the CDI box several times in the past month while making minor changes to the electrical...
  2. Yamaha YFM350 Raptor/Warrior ('87-Present)
    My warrior seems to be slipping in all gears mainly 2nd through 6th when i really have the throttle open. But then if i ease it into the the gear its fine.. Is it the clutch/clutch plates going bad?