Yamaha - Gear 2 (26T) - Lower Unit Gear - 6DA-45571-00-00

Overview

When you're inside a Yamaha lower unit, you quickly learn that every gear has to do its job without hesitation. This 26-tooth gear is built for that exact purpose—keeping things turning smoothly when you shift and put power down. It’s the kind of part you don’t think about until something feels off, and then you realize how important clean, reliable gear engagement really is. Swap in a solid gear like this, and the whole drivetrain feels right again.

Key Features

• 26-Tooth Gear Design – Precisely cut teeth ensure smooth engagement and consistent rotation under load.
• Hardened Gear Construction – Built to withstand repeated stress and torque without premature wear.
• Reliable Power Transfer – Supports efficient movement of power through the lower unit for steady performance.
• Factory-Spec Fitment – Designed to match Yamaha lower unit tolerances for proper alignment and operation.
• Wear-Resistant Finish – Helps protect against corrosion and internal wear in marine environments.

Engine & Boat Compatibility

Designed for Yamaha outboard lower units requiring a 26-tooth gear configuration. Commonly used in mid to higher horsepower applications across recreational and light-duty marine setups.

FAQ

Q: What are signs this gear is worn or failing?
A: You might hear grinding, feel slipping during acceleration, or notice metal shavings in the gear oil.

Q: Can I replace just this gear or do I need a full rebuild?
A: It depends on the condition of the rest of the gears. If others show wear, it’s best to service the full gear set.

Q: Does this require special tools to install?
A: Yes, proper lower unit tools are needed to ensure correct spacing, torque, and alignment during installation.

Q: How does saltwater use affect this gear?
A: Saltwater can speed up corrosion if maintenance is skipped, so regular fluid checks and flushing are key.

Q: Will this fix shifting issues?
A: If worn gear teeth are the cause, replacing it can restore smooth engagement and eliminate slipping.