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  1. Duke 690 loud knocking sound (chain on swingarm?)

    Hi guys, This is my first post here so I hope I don't break any rules. First of all, I did my search on the forum but couldn't find something similar to my problem: The bikes sounds perfect on idle, no rattling or metallic sound at all. But when I'm driving, whenever I open the throttle from...
  2. Excessive Chain Wear

    RC390 , 250 , 125
    Hi All, I was wondering if anyone else has had any problems with wear on the chain and sprockets, I took it in for its second service at 4100 miles and it was recommended that the chain was replaced. I clean and lube it regularly, haven't pressure washed the bike at all and when I clean and...