Kohler L600 / L654 — Automatic Choke Adjustment

Adjustments · Automatic choke (carburetor unit and manifold mounted type)

For the Kohler L600 / L654, from the Kohler service manual.

Applies to: Kohler L600 engine

Procedure

1. Carburetor unit: loosen three screws on outside cover plate, shift cover clockwise for richer or counterclockwise for leaner, then tighten.
2. Manifold type: remove air cleaner to observe choke plate; adjustment must be made on a cold engine.
3. Move choke arm until hole in brass shaft lines up with slot in bearings.
4. Insert #43 drill (.089) and push all the way down to engage notch in base of choke unit.
5. Loosen clamp bolt on choke lever and push arm upward to move choke plate toward closed position.
6. Tighten clamp bolt after desired position is attained, then remove drill.

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.

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