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  1. Muckroot

    Static ignition timing inquiry

    Hello, I just rebuilt my engine and replaced a fair number of parts, and I am now having an odd problem statically timing the spark. Known variables: I do not know when the last time the engine ran before I rebuilt it. I had Hugh's Handbuilt rebuild the crank, it is not rephased. I...
    • Muckroot
    • Thread
    • advance cam chain degree gap ignition points retard rotor spark stator timing
    • Replies: 4
    • Forum: The Garage
  2. CeeAnton

    Degreeing Cam and Valve Lash Correction?

    I have been re-assembling my bored, rephased XS650SJ. I have hit snag while degreeing the cam, and want to ask your advice. Background: Valve job, head re-surfacing, and boring (to 700) by Hoos. 447 crank and cam 277 rephased by Hugh's. New pistons, rings, cam chain, cam guides (both)...
    • CeeAnton
    • Thread
    • cam camshaft degree hoos racing hugh's handbuilt valve
    • Replies: 3
    • Forum: The Garage
  3. yamahammer

    Degreeing my camshaft

    I've found specs on the 447 cam at http://www.650motorcycles.com/isky.html What I'm confused about is whether I.V.O means intake valve opening or intake valve open. I guess I'm confusled because it mentions that it was checked at zero lash then it lists various lashes?... Maybe the dude...
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