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Showing results for tags 'pressure power kohler 18 hp'.
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1973 Kohler 18 HP twin K482S. Carb cleaned, new fuel pump, fresh fuel, changed oil, gapped plugs and points... Starts and runs just fine, but lacks power; most noticeable when mower is engaged and moving. The engine slows down considerably and takes a while to catch up. Does anyone know the cranking compression spec for this engine? Can it be a timing or valve adjustment issue?