I put in the "nused" precups and it sounds better but still flutters. I played with the timing and no change. I looked closely at my injection pump gear backlash and think I found my problem. My book calls for a max spec of .013 for the idler to inj. pump gear. I crudely measured it and got .060. The idler looks way too loose to me. When I turn backwards on the inj. pump gear, the idler teeth go from flush with the inj. pump gear to protruding past flush about 1/16". When I laid a straight edge to the timing marks, I can get 5 degrees of timing slop. I think the mechanic didn't tighten the idler down enough.
How big of a job is it to get at that? It looks like a lot of stuff has to come off just to tighten a stinking idler gear.
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Today's Featured Article - Choosin, Mounting and Using a Bush Hog Type Mower - by Francis Robinson. Looking around at my new neighbors, most of whom are city raised and have recently acquired their first mini-farms of five to fifteen acres and also from reading questions ask at various discussion sites on the web it is frighteningly apparent that a great many guys (and a few gals) are learning by trial and error and mostly error how to use a very dangerous piece of farm equipment. It is also very apparent that these folks are getting a lot of very poor and often very dangerous advice fro
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