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Home›Repair guides›Carburetor Bowl Disassembly

Wisconsin — Carburetor Bowl Disassembly

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

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Before you start

  • Do not attempt to remove main discharge jet as it is pressed in and not serviceable.
  • It is important that upon reassembly, this same relationship is retained regarding choke plate positioning.

Procedure

  1. 1. Remove venturi (17) and idle tube (18) by inverting bowl cover.
  2. 2. Do not attempt to remove main discharge jet. This part is pressed in and is not a serviceable item.
  3. 3. Remove lower main jet plug if plug is used or remove main jet adjustment (20) and gasket (21). Then remove main jet (22). Use tool C161-83.
  4. 4. Hold the bowl (19) in a vertical position with air intake and bottom of bowl next to the operator and note that the closed choke plate slopes down and away from the operator. Observe marking on choke plate. It is important that upon reassembly, this same relationship is retained.
  5. 5. Remove choke plate screws and lockwashers (26), choke plate (25), shaft and lever (24).

Tools required

  • C161-83 Main Jet Wrench

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.