Cummins/Onan — remove the outer housing (see Section 5. Pre-
For these Cummins/Onan models: 3.6MKY, 4MKY.
Applies to: Cummins Onan 3 6Mky, Cummins Onan 4Mky
Procedure
- Remove the bolts securing the flexible exhaust
- Remove the screws securing the muffler to the
Source: manual:981-0531 Onan MKY Spec J Pontoon Service Manual (8-1999).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.