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Old 06-17-2022, 07:40 PM
rsshallop rsshallop is offline
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Join Date: Oct 2018
Location: Minden, Ontario
Posts: 146
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Last week I got around to starting my 108 for the first time this year. I ran it for about 20 minutes before the linkage from the carburetor throttle lever to the governor lever lost it's retainer clip. Got a replacement clip from an auto supply store in town and proceeded to put it back together and then parked it. Anyway, ever since I got my 108 up and running last year, I never was sure of how high the RPMs were at full throttle. I've never heard a K series Kohler run before this one, but once I got it running well, I always suspected it was running a little too strong. That played on my mind over the winter, so I bought a laser RPM gauge and today got around to using it. As it turns out the top end RPMs came in at 3785, which I understand is too much for this engine. To correct this I moved the governor spring up one hole in the governor lever. That brought the top end RPM down to 3468 (1133 at idle) and I'm pretty happy with that. I know it should be at 3600, but it's running smooth, not surging or missing and now a have a better idea of how these engines should sound. When I lost the retainer clip last week, I procured a governor assembly off of ebay. The hole in the governor lever I'm using is wallowed and the governor spring is pretty bent up, so at some point my 108 is getting these replacement ebay parts. First though, I have to revisit my steering linkage and that means the engine will have to come back out (probably next week). I rushed to get this machine operational last year and this year I'm not happy with the slop in the steering.
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Cub Cadet 108 / no mowing deck
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