running rough

  1. O

    Running poor after rebuild

    I had to rebuild my motor because the cam chain tensioner delaminated. Before that though it was running pretty good. Tear the motor apart. Honed cylinders, replaced gaskets, and of course cam chain tensioner. Reset valve clearance and checked timing and cam chain tension. Everything there is...
  2. muskallunge

    RUNNING ROUGH AT HIGHWAY SPEEDS-HELP

    My 1978 xs650 hardtail chopper has been running rough after it warms up and I let’er rip on the highway, typically past half throttle. It seems like it starting doing it after I adjusted the cam chain tensioner. Carbs cleaned and didn’t change anything. The main jet size has been fine in the...
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