Service Instruction No. 1014 P
Lubricating Oil Recommendations
Publications
DATE
February 10, 2026
MODELS AFFECTED
All Lycoming opposed series aircraft engines.
TIME OF COMPLIANCE
When preservation oil is removed or when lubricating oil is changed or added.
REASON FOR UPDATE
Updated lubrication oils and temperature ranges.
Get It Exchanged
Use our Engine Exchange Program to order a new, rebuilt, or overhauled engine to experience more airtime and less downtime.