New SEI / Yamaha 4.2L F200-F300 Outboard Gearcases (2010-Current)
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$1,645.00
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Product details
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Description
New SEI / Yamaha 4.2L F200–F300 Outboard Gearcase (2010–Current)
Restore the performance and reliability of your Yamaha outboard with this New SEI Gearcase Assembly, designed for select 2010–Current Yamaha 4.2L F200, F225, F250, and F300 4-stroke outboard engines. Manufactured to meet or exceed OEM specifications, this premium aftermarket lower unit delivers smooth shifting, efficient power transfer, and dependable performance in demanding marine environments.
Built with precision-machined gears, durable bearings, high-quality seals, and a corrosion-resistant housing, this complete gearcase is an excellent replacement for a damaged or worn lower unit and is designed for reliable operation in both freshwater and saltwater applications.
Features
- Fits select 2010–Current Yamaha 4.2L F200, F225, F250, and F300 outboard engines
- New aftermarket replacement by SEI
- Manufactured to meet or exceed OEM specifications
- Precision-machined gears and shafts for smooth, efficient power transfer
- Durable bearings and premium seals for dependable, leak-free operation
- Corrosion-resistant finish for long-lasting marine durability
- Complete lower unit assembly for straightforward installation
Benefits
- Restores smooth shifting and efficient drivetrain performance
- Provides dependable power transfer throughout the RPM range
- Built to withstand demanding freshwater and saltwater conditions
- Ideal for replacing damaged, worn, or failed gearcases
- Cost-effective alternative to OEM replacement lower units
- Helps get your Yamaha outboard back on the water with confidence
Compatibility
Designed for select Yamaha 4.2L 4-stroke outboard engines including:
- F200 HP
- F225 HP
- F250 HP
- F300 HP
Model Years: 2010–Current
Please verify your engine model, serial number, shaft length, gear ratio, and gearcase configuration before ordering to ensure proper compatibility.
Note
This listing is for one (1) complete SEI gearcase assembly. Propeller, mounting hardware, gearcase lubricant, water pump components, and other accessories are not included unless otherwise specified. Professional installation and proper lubrication are recommended before operation.
Choose the SEI Yamaha 4.2L F200–F300 Gearcase for OEM-quality fit, dependable durability, and reliable performance to keep your Yamaha outboard operating at its best.
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