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Full Load Enrichment

  1. With engine at idle speed, pull off plug on idle switch. Engine RPM should go up to 1300 RPM and ignition timing should be 12° BTDC. Pull off plug on throttle switch (full load contact).
  2. Bridge connections on plug with a jumper wire. Engine speed should drop by approximately 100 to 200 RPM and ignition timing will be retarded approximately 4 to 8°. If nothing happens, check wire between throttle switch plug and control unit plug for breaks according to wiring diagram.
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