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I am taking a high school small engine repair course. I brought in a 1994 Briggs and Stratton push mower with the model number of 12F702-0616-01; the instructor says that it is probably 3.5 horsepower. I am supposed to find the ring end gap specs for the engine, but I cannot find them anywhere. I sent and email to B&S, but all they replied with was that the answer is in some repair manual that costs $22. I don't want to buy the manual, I just want to know the ring end gap specs. Help would be much appreciated.

Small Engine Specifications Index

Here, save this link to your favorites, it will come in handy.

The ring end gap isn't there, but I'll do some more digging.

Dug out a repair manual, it just states the reject end gap specs for aluminum bore, .035" compression rings, .045" oil ring....