Rotor Shaft WSM 003-109-04

Compatible Engines

The WSM 003-109-04 Rotor Shaft is a critical component of the starting system in outboard motors, responsible for precise motion transmission and synchronization of internal parts. This original WSM part is engineered for durability and reliable performance. It is designed for engines with a displacement of 1500 cm³, making it an ideal choice for users seeking high-quality replacement parts. Please note that compatibility must always be verified by catalog number 003-109-04 or the original OE number, as design variations may exist even within the same displacement class. If you have any doubts about fitting this part to your unit, contact our customer support for professional confirmation.

Installation and Operation

• High manufacturing precision – ensures smooth engine operation and minimizes vibrations.
• Original WSM quality – wear-resistant material capable of withstanding high thermal loads.
• Quick replacement – simple design facilitates servicing without dismantling the entire system.
• Optimal weight – lightweight construction (0.33 kg) avoids unnecessary load on the rotor.

During installation, pay attention to the cleanliness of the mounting surfaces and proper lubrication of the shaft, which will extend its lifespan. Regular inspection of this component helps prevent unexpected failures during your cruise.