Restore the power and performance of your Yamaha outboard with the Red Rhino Gearcase Rebuild Kit. This kit is specifically engineered for Yamaha 90HP 3-cylinder 2-stroke engines (1988-2006 models). This complete lower unit rebuild package includes all the critical aftermarket components you need to bring your gearcase back to life.
Whether you are fixing worn gears or dealing with water intrusion, this kit delivers OEM-quality performance and lasting reliability backed by a one-year limited warranty.
Why Choose this Red Rhino Gearcase Rebuilt Kit for Yamaha?
- All-in-One Convenience – No more hunting for individual parts, this kit has everything you need for a complete gearcase rebuild.
- OEM Compatibility – Replace factory components seamlessly for 1988-2006 90HP 2-Stroke outboards.
- Precision Fitment – Designed to restore optimal performance and reduce vibration or gear noise.
- 1-Year Limited Warranty – Confidence and coverage you can count on
- Durable Construction – Manufactured with marine-grade materials for corrosion resistance and long service life.
If you are unsure about the compatibility, contact our support team at obparts+cs@gmail.com, and we will help you confirm the exact fit for your engine.
This rebuilt kit has the following items:
1. 2-Stroke Gear Set [Replaces OEM # 688-45560-00, 688-45551-01, and 6H1-45571-01]
2. Clutch Dog [Replaces OEM # 6H1-45631-01-00]
3. Clutch Dog Spring [Replaces OEM# 688-45633-00-00]
4. Water Pump Kit [Replaces OEM # 692-W0078-01-00]
5. Seal Kit [Replaces OEM # 688-W0001-20-00]
6. Bearing Kit [OEM Replacement #s in Parentheses] [Includes Reverse Gear Bearing (93306-207U0-00), Aft Carrier Bearing (93317-325U0-00), Upper Driveshaft Bearing (93332-000U3-00), Outer Forward Gear Bearing (93332-000W7-00), and Pinion Bearing (93315-325V1-00)]
Additionally, other items for this lower unit are available for separate order if needed. Please email or fill out the form below to request.
SHIPPING: Additional shipping fees to Alaska, Hawaii, US Territories, or International Shipping will be calculated after checkout. You will receive an email and a PayPal money request for the additional shipping charges at the email address provided. (Some items are excluded from international shipping)
If you have any questions, please contact us through e-mail at customerservice@marinepartswarehouse.com. Please provide your engine model number to help confirm compatibility.
