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RJC — Service Procedure

For the RJC.

Procedure

  1. Remove fuel line, governor linkage, and electric choke
  2. Remove two carburetor mounting nuts and pull off
  3. Remove air cleaner adapter and choke from
  4. Remove main fuel adjustment needle (begin Spec R)
  5. Lift out float valve and unscrew its seat.
  6. Remove no-load adjusting needle, load adjusting
  7. Remove throttle plate screws and plate, and pull out
  8. Remove choke plate screws and plate and pull out

Source: manual:967-0757_Onan_RJC_MJB_MJC_Gas_Engine_Service_Manual_11-1986.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.