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    Anyone try Valvoline Restore & Protect oil in their older small engines?

    My never-rebuilt CH22 is now 31 years old, and is starting to show its age a little. I just replaced the oil and filter, but now am reading about Valvoline Restore and Protect oil giving interesting results in cleaning older automotive engines (rings, etc.). Anyone tried that oil in their...
  2. Y

    Ethanol only?

    Just wondering ... for the future. Anyone run straight (90%+) ethanol in their Kohler? What parts were needed for the conversion?
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    Kohler Command stalling / fuel supply problem solved

    RE: Kohler CH22, horizontal shaft, 1995 vintage, in my Yardman 999 garden tractor Over the past couple of years, the engine has been stalling after about 1.5 gallons of gas has been used. From the tank's full-point, this stalling occurred when the fuel level lowered to about the carb's height...
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    Done Yardman 995 - 999 Front PTO jackshaft's bearings? Hints?

    They've given up the ghost, so to say. I have new ones on the shelf, but don't have the old front one nor the jackshaft out yet. This front PTO also powers the mower deck. I do have the rear bearing off (via the driveshaft's quick-release spring-fitting and the rear bearing's four-9/16...
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    CH22 Ignition Short? -- Cranks, Won't Start Until Key Released to Run-position

    First Post! Tried the Search function, but didn't quickly come up with the answer. Background: I'm an experienced mechanic (cars, ...), and have had this Yardman 999 since 1998 (MTD, but built by Kwik-Way). Runs/mows great, with maintenance. Has the original Kohler Command CH22 engine in it...
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