tonyp Posted May 28, 2019 Report Share Posted May 28, 2019 I am trying to replace the Mains Seals on a 2004 Rev3. I'm struggling with the Primary Drive end of the Crankshaft. Could someone clarify whether the nut is Right-Hand or Left-Hand thread. Any tips for getting it off (I don't have an impact wrench). Quote Link to comment Share on other sites More sharing options...
mcman56 Posted May 29, 2019 Report Share Posted May 29, 2019 If you need to keep it from turning this will help. https://www.amazon.com/Motion-Pro-08-0427-Gear-Jammer/dp/B001AVS60O I have no experience with a 2004 but other years are all right hand threads. Quote Link to comment Share on other sites More sharing options...
dan williams Posted May 30, 2019 Report Share Posted May 30, 2019 Go here and look for the Trials Service Manuals at the bottom of the page. They are for newer bikes but they may give you some insight as Beta haven’t significantly changed their design for years. https://www.betausa.com/content/support Quote Link to comment Share on other sites More sharing options...
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