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Fast Idle Adjustment (Solex Carburetor)

  1. Connect tachometer, remove air cleaner. Connect suitable exhaust gas analyzer, with warm engine, adjust idle to 900 RPM and CO content of 2.0±.05%.
  2. Close choke flap until it contacts fast idle cam, hold in this position. Open throttle arm, allowing choke flap to move to first step on cam. Release throttle arm and choke flap.
  3. With throttle arm in this position, engine speed should be 1300 RPM. If not, adjust control rod. Lengthening rod increases, shortening rod decreases speed.
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