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rev limiter

  1. YFZ 450 rev limiter

    Yamaha YFZ450/450R (2004-Present)
    I recently took my yfz450 to the shop and had a big bore kit installed with new cams. Ran fine before upgrades. It starts and idles fine but when i giv it throttle, about a quarter throttle it breaks up like its hitting the rev limiter. All the clips for the harness are clean and properly...
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