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Support from Yamaha Parts Specialists
Free Shipping Over $99*
Hassle-Free Returns
Support from Yamaha Parts Specialists

Free Shipping over $99

Orders $99 or more ship free within the contiguous U.S.
May not apply to engines or oversized orders.

Shipping Policy

Free Shipping over $99

Orders $99 or more ship free within the contiguous U.S.
May not apply to engines or oversized orders.

Shipping Policy

45-Day Hassle-Free Returns

Not the right fit? No problem. Send it back within 45 days—no questions, no hassle.

Return Policy

45-Day Hassle-Free Returns

Not the right fit? No problem. Send it back within 45 days—no questions, no hassle.

Return Policy

Expert Support When You Need It

We’re here to make your experience smooth, simple, and stress-free—so you can get back to doing what you love.

Talk to a Parts Expert

Expert Support When You Need It

We’re here to make your experience smooth, simple, and stress-free—so you can get back to doing what you love.

Talk to a Parts Expert

Yamaha Outboard Lower Units - F90
YamahaOnlineParts offer OEM Yamaha Lower Unit Assemblies for all F90 models. These lower units will ship complete and ready to install directly to your doorstep. The lower unit transfers the rotational power from your Yamaha outboard engine to the propeller shaft. If your lower unit is damaged or in need of replacing, you could be sacrificing serious performance from your Yamaha outboard or even risking doing permanent damage to your engine. Fortunately, Yamaha Online Parts offers a complete selection of replacement F90 Yamaha outboard lower units to choose from.