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high idle rpm slides

  1. 1982 cb900f idle

    First Bike / New Rider
    I have been riding dirt bikes off and on since I was a kid. I got the itch for a street bike and I bought an 82 cb900f. This thing idles at about 2500-3000 once it gets warmed up. I don't think there is a vacuum leak anywhere but I can't seem to find the idle control screw. I was sure it...

    Motorcycle Repair
    Hi everybody! I recently bought a yamaha XJ650 1983. Everything works fine. It idles normally at 1050rpm when its warmed up. But when I open throttle a bit after the bike is thoroughly warmed up the idle hangs at around 3-4k. I've checked and its not a vacuum leak, its not the throttle cable...