Yamaha - Gear 2 - Lower Unit Drivetrain Component - 61N-45571-00-00

Overview

The gear inside your lower unit plays a critical role in transferring engine power to the propeller, ensuring smooth operation and reliable performance. When this component becomes worn or damaged, it can lead to grinding, slipping, or reduced efficiency. This Yamaha Gear 2 is designed to restore proper drivetrain function, helping maintain consistent power transfer and smooth gear engagement. Built to OEM standards, it delivers the durability needed to handle demanding marine conditions.

Key Features

• Efficient Power Transfer – Helps deliver engine power through the drivetrain to the propeller.
• Smooth Gear Engagement – Supports consistent shifting and reduced vibration.
• OEM Yamaha Fitment – Built to factory specifications for precise alignment and performance.
• Heavy-Duty Construction – Designed to handle torque and long-term marine use.

Engine & Boat Compatibility

• Compatible with select Yamaha outboards that utilize this gear (confirm fitment by model and year)

FAQ

Q: What does Gear 2 do in the lower unit?
A: It transfers power within the gearcase to drive the propeller efficiently.

Q: What are signs of a worn gear?
A: Grinding noise, slipping gears, or reduced performance.

Q: Can a damaged gear affect other components?
A: Yes, it can cause additional wear or failure in the lower unit.

Q: Should this be replaced during a rebuild?
A: Yes, especially if there are signs of wear, chipping, or damage.