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PHOTOS BY PETE HALL & HOPE McCALL 4-STROKE TIMING 101 The small punch mark on this Saito cam drive gear is used to set proper timing position when reassembling the engine. The aluminum rod placed into the cam follower hole is used to lock the cam lobe in place. A MONTH SELDOM GOES BY in which I don't receive at least one or two letters from readers who have taken their 4-stroke engine apart for...
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