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  1. LC4 640 Intake Rocker Arm FAIL!

    Supermoto
    I've read the horror stories and now it’s happened to me :frown: Out for a ride the other day when I noticed the engine getting a bit tappety. Started riding home, then lost a load of power. Got it back to my garage, took the rocker covers off to give them a check. I could have fitted all of my...
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