This SEI Marine Complete Gear Set is a direct aftermarket replacement for Yamaha 2.6-liter V6 outboards rated 150–200 HP from 1992 to present.
Designed for counter-rotation 90-degree V6 2-stroke engines, it features a 1.86:1 gear ratio with a 14/26 tooth count, matching OEM performance and alignment standards. Precision-engineered for smooth operation and long-term durability, this SEI gear set is built to OEM specifications for fit, performance, and reliability.
Product Features
- Direct OEM Replacement: Replaces Yamaha OE# 6G5-45551-10-00, 6K1-45570-20-00, and 6K1-45560-01-00
- Fitment: Yamaha 90° V6 2-Stroke Outboards (1992–Present)
- Engine Compatibility: 150–200 HP, 2.6L models
- Gear Ratio: 1.86:1
- Tooth Count: 14/26
- Rotation: Counter (Left-Hand)
- Condition: 100% brand-new SEI Marine replacement gear set
- Warranty: 3-Year Fault-Free Warranty provided by SEI Marine
Additional Information
Note: All parts required for a complete lower unit rebuild are available upon request, even if not listed online.
If you need additional components for your rebuild, please email or fill out the contact form and we will assist you in locating everything needed.
Shipping Information
SHIPPING: Additional shipping fees to Alaska, Hawaii, U.S. Territories, or international destinations 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.)
Customer Support
For questions or to confirm compatibility, please email customerservice@marinepartswarehouse.com .
Please include your engine model number to help confirm proper fitment before ordering.
