Kohler 4.5 CKM — Gasoline Carburetor Main Fuel Mixture Adjustment
Adjustments · Carburetor (gasoline)
For the Kohler 4.5 CKM, from the Kohler service manual.
Applies to: Kohler 4.5 CKM, Kohler KT17II engine
Before you start
- Always check the air cleaner before readjusting the choke or carburetor.
Procedure
- Turn MAIN FUEL screw clockwise until it bottoms lightly (do not force), then back out 2-3/4 to 3 turns.
- With engine thoroughly warmed up and running at rated rpm under full load, turn MAIN FUEL screw in until engine slows down (lean setting).
- Turn screw out until engine regains speed then starts to slow down (overrich setting).
- Turn screw back in to halfway between lean and overrich settings.
- When properly adjusted, engine operates with steady governor action.
Tools required
- screwdriver Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- 2-3/4 to 3 turns preliminary
Full service-parts list: Kohler 4.5 CKM →
Source: Kohler service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.