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tuning

  1. tuning issues , maybe more?

    Raptor 660 General
    04 660 , 10.75 piston, stage 1 can no airbox and k&n filter, .5 inch carb space. I'm having trouble getting this dialed in. I'm suspecting head issues but don't know. I'm at 5509 ft in Colorado. I have a problem with upper mid to top end power. It falls off and starts to POP. If I'm in neutral...
  2. TUNING QUESTIONS

    Raptor 700 Mods
    Hello rappy people, I have just bought barker duals and a PCIII for my 2008 700R... I am running stock air filter with the lid off... Also, the motor is stock... The guys at fuelmoto said they would send my PCIII with the right map on it... My questions are as follows: 1. To get a true plug...
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