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yamaha powervalves

  1. Yamaha Jetski
    hey guys im kinda new to pwcs ive owned 2 and am looking at a 2004 yamaha gp1300r. it has been sitting for the past 2 years so i asked the owner why and he said it blew up so i took it to my shop and pulled the head and the rear cylinder has a big gash on the exhaust side and a notch in the...
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