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850 clutching

  1. Dynamo^Joe

    Ski Doo pDrive iBackshift how TRA ramps work Pt 4

    Subscribe to "stay....tuned" Go full screen One of the best ways to compare pDrive ramp angles is to know how TRA ramp angles work. Ramp angles are applied on a cam arm or ramp, providing the way the sled pulls hard. In simple terms, looking at a TRA ramp is a way of analyzing a pDrive ramp and...
  2. Dynamo^Joe

    Ski Doo pDrive iBackshift how TRA ramps work Pt.3

    In this vidya, I give you a shortcut to what the angles of ramps can do for you, your situation. I did much of the trial and error for you to figure out what the curves and angles can do to the conduct of your clutch tune based on your application. The following videos are a model to help you...
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