Service Instruction No. 1437

Engine Timing Marks

  • Publications

DATE: August 15, 1986

MODELS AFFECTED

All Avco Lycoming Direct Drive Engines.

TIME OF COMPLIANCE

Each 100 hour inspection.

During each 100 hour inspection, Avco Lycoming Textron recommends the use of one of two methods for checking alignment of engine timing marks prior to timing magneto to engine.

Product Support Network

Wherever you are in the world, you have access to exceptional expertise and knowledge about Lycoming engines. Get the most comprehensive customer service and support in the general aviation industry.

Lycoming's Loyalty Program

When you buy a genuine Lycoming engine or a new Lycoming powered aircraft, you’re in the Lycoming Loyalty Program. It’s that simple.