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25 hp kohler motor oil
Is it OK to use 15/40 Deisel oil in my 25 hp gas Kohler. The dealer recommended it because of a popping sound from the valves. I asked a JD dealer about it and they said absouletly not. -
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Adjusting valves on Kohler
Can anyone give me a quick course in adjusting (if they even require adjusting) the valves on my 25 hp kohler? Model #1KHXS7252GC. It has 660 hours on it and it is making a kind of popping sound in the engine. Ever since Ethanol has been added to the gas I have been treating it with Stabil...