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Home›Repair guides›Carburetor Bench Adjustments

Wisconsin — Carburetor Bench Adjustments

A Wisconsin service procedure — check it applies to your exact model before use.

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Procedure

  1. 1. Turn throttle stop screw to the right until it just contacts stop lug on throttle lever when throttle is fully closed, then turn screw in two full turns to the right (clockwise).
  2. 2. Gently seat idle adjusting screw (3) and then back out screw approximately 1/2 turn.
  3. 3. If carburetor is equipped with main jet adjustment, turn adjusting needle in to the right (clockwise) until it is just seated, then back it out approximately 2 full turns.
  4. 4. Final adjustments should be made on the engine, with the engine at normal operating temperature and with specified air cleaner in place.

Source: manual:carb.pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.