Yamaha 63V-85550-01-00 – Rotor Assy

Yamaha 63V-85550-01-00 – Rotor Assy

Genuine Yamaha Rotor Assembly for Reliable Ignition System Performance

The Yamaha 63V-85550-01-00 – Rotor Assy is an OEM-engineered replacement rotor designed to deliver precise magnetic alignment and dependable performance within your outboard’s ignition system. This essential component plays a key role in generating the electrical current needed to start and run your engine efficiently.

Crafted to Yamaha’s exacting standards, this rotor assembly ensures smooth engine timing and consistent spark delivery, helping maintain peak performance whether you're cruising, fishing, or towing.

Key Features

Authentic Yamaha OEM Part

Guaranteed factory-original rotor for secure fit and trusted performance.

Integral to Ignition Functionality

Facilitates magneto-based spark generation and timing regulation.

Balanced and Durable Construction

Engineered for long-lasting performance with minimal vibration or wear.

Easy Drop-In Replacement

Designed for direct installation with precise OEM alignment.

Ideal Use Cases

Replacing a worn, corroded, or damaged rotor

Resolving ignition timing issues or weak spark conditions

Preventative maintenance during major engine servicing

Why Choose OEM for Your Rotor Assembly?

Using an original Yamaha 63V-85550-01-00 – Rotor Assy means you’re installing a component built specifically for your outboard’s ignition system. Unlike aftermarket alternatives, this rotor ensures tight tolerances and exact magnetic calibration—minimizing risk of misfiring, engine hesitation, or poor fuel efficiency.

Frequently Asked Questions

What are the symptoms of a failing rotor assembly?

Common signs include hard starting, erratic idle, misfires, or reduced engine power due to inconsistent spark timing.

Can I install this rotor without professional help?

If you’re comfortable with marine engine maintenance and have the correct tools, it’s a straightforward installation. Otherwise, professional service is recommended.

Is this rotor compatible with older Yamaha models?

It depends on your engine’s model and year. Always verify using your parts manual or reach out to our team for confirmation.