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Last night I made a special 17mm wrench to be able to fit the injector line nuts, and got the lines off at the injector. I tried the pressurized air thing with a hose and a rag on the fuel fill - not much happened, a little fuel out of the return line I had open.
Cranked for some time, and never got pump primed. I had the pump suction off earlier, and had fuel there, but I need to re-check that again. Left charger on last night, so I can try more cranking this weekend.
Dennis

Yanmar 186D fuel problem
Parts and Repair
Replies 14 Post by moscowengnr

I have a JD 116 also. It is a very good tractor. I would highly recomend it. The 116 came with either 38" or 46" mower decks. I have several mowers, and it is my favorite for simple mowing.
Some reported prolems with engine valse seats coming loose. If that happens, not sure there is a good fix for it.
Good Luck,
Dennis

JD vs Craftsman
Garden Tractors
Replies 19 Post by moscowengnr

I have an old JD 116 that has become very weak. It is firing on both cylinders. Just re-did valve clearance to make sure they were OK, and power remained weak. Engine is OLD, burning oil, etc. Not sure RPM is where it should be - seems slow and my attempts to adjust governor not working. 3 questons:<br>
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What else would cause low power ??<br>
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Can these be overhauled without adding a steel sleeve to cylinder??<br>
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If I need to re-power, how do I find out engine output shaft specs without removing engine and measuring??<br>
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Thanks,<br>
Dennis

weak JD 116
Garden Tractors
Replies 2 Post by moscowengnr