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Re: Ford LGT 100/ Kohler Engine Question

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Ron in Nebr

09-12-2013 14:42:18

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I"ve downloaded the owners and service manuals from Kohler"s website and also tried varying the point gap. Too far either way at open throttle with a load(PTO engaged) slows down RPM and if I go to far either way it starts misfiring.

I moved the points to the smoothest-running highest rpm it would get to under the pto load and locked them down. Still no difference.

Is varying point gap the only way to adjust timing on these? It sure acts dead like a car engine does when it needs more timing.

A last note- went to mow after I"d posted and while it was really warm I was messing with the points, I noticed quite a bit of blowby coming out the breather cover(assuming that"s the cover under the carb that covers the valvesprings). It just might need rings after all.

Anyone know what cranking compression should show on a compression guage on one of these? I didn"t see that spec on the kohler website.

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ken combs

09-13-2013 07:08:57

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 Re: Ford LGT 100/ Kohler Engine Question in reply to Ron in Nebr, 09-12-2013 14:42:18  
Compression test are not much use on these due to the compression release feature. A leakdown test is a much more useful method.

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09-12-2013 16:59:10

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 Re: Ford LGT 100/ Kohler Engine Question in reply to Ron in Nebr, 09-12-2013 14:42:18  
have you checked to make sure the governor is working?

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09-14-2013 21:17:06

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 Re: Ford LGT 100/ Kohler Engine Question in reply to hunting, 09-12-2013 16:59:10  
I have a Cub cadet 108 with the same K series engine. The linkage on the engine was so shot you could not believe!!!! The throttle shaft into the carb was shot too. $125.oo for the bushing job on the carb. It was an original Carter. The arm out of the side of the engine had an oval hole. The spring ends were almost ground off. All has been replaced, and adjusted as per the books. The parts were in the $60.oo range. Tractor runs so smooth and even now!!

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Ron in Nebr

09-13-2013 09:50:12

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 Re: Ford LGT 100/ Kohler Engine Question in reply to hunting, 09-12-2013 16:59:10  
Yes the governor seems to be working. I did check and when the engine slows down while mowing, the governor does not move, it is still holding the carb at wide open throttle.

I will do a leakdown test and check the mower deck and reset the timing as the people above suggested. Thanks everyone!

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