I should have added, use what the machine calls for and only that. I smoked a perfectly good 1951 Johnson 10 hp by using MODERN 2 cycle oil in one tank. It blew the bronze bushings right out of the pistons and then the pistons hit the cyl head. Had to row the boat back 3 miles against a stiff 20+ mph headwind in 35 deg temp. not fun! The modern 2 cycle oil is 10 wt at best. The bronze couldn't take it. Here is another factor, some 2 cycle oils are for water cooled engines and some are for air cooled engines!
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Today's Featured Article - Earthmaster Project Progress Just a little update on my Earthmaster......it's back from the dead! I pulled the head, and soaked the stuck valves with mystery oil overnight, re-installed the head, and bingo, the compression returned. But alas, my carb foiled me again, it would fire a second then flood out. After numerous dead ends for a replacement carb, I went to work fixing mine.I soldered new floats on the float arm, they came from an old motorcycle carb, replaced the packing on the throttle shaft with o-rings, cut new ga
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1964 I-H 140 tractor with cultivators and sidedresser. Starts and runs good. Asking 2650. CALL RON AT 502-319-1952
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