Cummins/Onan E125 / E140 — Carburetor Removal / Installation
Repair & overhaul
For the Cummins/Onan E125 / E140, from the Cummins/Onan service manual.
Applies to: Cummins/Onan E125, Cummins/Onan E140, Cummins/Onan E125H/E140H engine
Before you start
- Do not smoke or allow spark near the fuel system. Provide adequate ventilation.
Procedure
- Remove the air cleaner assembly.
- Disconnect governor linkage, fuel line, throttle linkage, and choke control linkage.
- Remove carburetor assembly from the intake elbow.
- Install carburetor on intake elbow; tighten through bolts to Section 3 torque.
- Connect choke, throttle, fuel and governor linkages.
- Make sure breather tube and rubber seal are properly installed.
- Always use new gaskets when installing a carburetor.
- Install the air cleaner assembly.
Specs & values
- Carburetor to Intake Elbow M6 x 85: 10-15 FridayParts $30.67 N-m
Source: Cummins/Onan service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.