Service Instruction No. 1366 B

Repair Procedure for Worn Rocker Shaft Bushing Hole

Publications
DATE

February 10, 2026

MODELS AFFECTED

0-235 and 0-290 Series Engines

TIME OF COMPLIANCE

During engine overhaul or earlier

REASON FOR REVISION

Updated part number

Get It Exchanged

Use our Engine Exchange Program to order a new, rebuilt, or overhauled engine to experience more airtime and less downtime.