Cummins/Onan — Reassembly and Installation
For these Cummins/Onan models: 2.5 MAJB-1 R, 2.5 MAJB-53BR, 2.5 MAJB-53CR.
Applies to: Cummins Onan 2 5 Majb 1 R, Cummins Onan 2 5 Majb 53Br, Cummins Onan 2 5 Majb 53Cr
Procedure
- 1. Install the needle valve and seat, fuel bowl gasket,
- 2. Rejoin the carburetor body.
Source: manual:933-0502 Onan MAJB Marine Genset Service manual (10-1993).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.