ok, here's the thing about that. Those yerfs bolt pattern are a little different than the junk tecumseh that come off of them. Last one I had, I had to slot out the bolts better to get the proper distance so that the belt was correct. When the spacing between the engine and the jackshaft are at the correct distance, you should be able to pinch the belt and the clearance between the belt and the front of the bronze bushing should be apx a 1/4 inche. When I first did the swap, there was about an inch and a half which is why I had to modify in order to get the proper spacing of the engine to the jackshaft.
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