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Camshaft timing off the mark

Discussion in 'Canada' started by Randy Robinson, Jan 3, 2018.

  1. I just purchased a 1975 XS650B. The bike had been stored inside for 20 years. After checking it over, my compression was 110/150. Exhaust valve seats have a build up of crap so cleaned up the seats and reground the valves new rings. I’m using a head ,tappets and top cover from a 1980 with the 1975 gearbox and barrels. When I tried to set up the cam timing i’m on tdc and when checking the cam with chain installed and when looking across the bosses with a straight edge I’m a 1/16 below the dot. I move 1 tooth and I’m way off the mark and same the other way.
    Will this affect my timing ? Help!
     
    Jim likes this.
  2. Jim

    Jim Beyond the edge, is the unknown. Here be Dragons XS650.com Supporter Top Contributor

    I'd suggest you PM 5twins and/or TwoManyXS1B's. They're the resident experts here on mixing and matching different year engine parts.
    Welcome to the site!
     
    Randy Robinson likes this.
  3. Thanks for that information.
     
    Jim likes this.
  4. I have asked 1 of the resident experts
    Thanks again.
     
    Jim likes this.

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