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How to determine Engine and Starter Rotation

Determining Engine and Starter Rotation

Engine Rotation Viewed From The Flywheel End

Left Hand Rotation (Standard Rotation Engine)

This is the most common engine rotation found on today’s marine engines. This is the same rotation as automotive engines. Use these charts to determine the correct starter rotation needed.

 

RH Rotation Engine

Engine Rotation Viewed From The Flywheel End

Right Hand Rotation (Reverse Rotation Engine)

This is not very common on today’s marine engines. This is the opposite rotation of automotive engines.