Question about 2006 Yamaha Road Star Midnight Silverado

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I have a 99 roadstar that I bought. Impressive bike but has a knock that has developed when under load. I had new oil put in when I got it, 20w-50 castrol. Put 1500-1600 m. 1500 plus Km on it since last oil change. Ride for 20-25 min before it starts to knock under load. keep riding and it gets worse, but still only knocks under load. I am afraid to ride it more dure to possible damage. To me, it sounds like a possible rod bearing, but I am not a motorcycle tech, just a car tech, but the rules are still the same

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  • David Parker
    David Parker Jul 06, 2011

    Just clarification please, does it only start to knock under load after 20-25 min and not when it is cold?

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Run higher octane or octane booster in fuel

Posted on Jul 06, 2011

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