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About markporter

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    bikes, boats, fishing
  1. markporter

    how many aussies on here ?

    I'm in Brisbane. Mark
  2. markporter

    426 Shifting problem

    Dog clutches on the back of 3rd and 5th gears are most likely worn. You might have a bent shift fork too. Time to split the motor. Whilst you've got it apart, there should be a toolmaker in your area that can "back cut" the dog clutches on the gears so that as they try to slip, they're forced to engage more. I went through it with a WR400 with a 426 kit. I split it twice before I found the backcut fix. Now with an 09 WR450. First split of the new motor, the gears will be backcut. Mark