Yamaha - 26 Tooth Gear - Lower Unit Gear System - 6AX-45560-02-00

Overview

Gears like this are what make the whole lower unit work without a second thought. When everything’s lined up right, power flows clean and smooth, and you just feel solid performance on the water. But once a gear starts wearing or gets damaged, it doesn’t stay quiet for long—you’ll hear it and feel it under load. This Yamaha 26 tooth gear is built to handle that constant pressure and keep things turning the way they should.

Key Features

• 26 Tooth Gear Design – Provides the correct ratio and engagement for proper lower unit operation.
• Precision Cut Teeth – Ensures smooth meshing with mating gears to reduce noise and wear.
• High Load Durability – Built to handle torque and continuous use in demanding marine conditions.
• OEM Fitment Accuracy – Matches Yamaha specifications for proper alignment and performance.

Engine & Boat Compatibility

Designed for Yamaha outboard lower units utilizing this 26 tooth gear configuration. Commonly used in mid to high horsepower Yamaha engines where reliable gear engagement is critical.

FAQ

Q: What are signs this gear is going bad?
A: Grinding noise, vibration, or metal flakes in the gear oil are usually the first signs.

Q: Can I replace just this gear or should I replace others too?
A: If other gears show wear, it’s best to replace them together to avoid uneven wear later.

Q: What usually causes gear damage?
A: Water intrusion, lack of lubrication, or impact from hitting debris are common causes.

Q: Is installing this gear a simple job?
A: It requires proper setup and shimming, so it’s usually best handled by someone experienced.

Q: How can I extend the life of my lower unit gears?
A: Regular gear oil changes and checking for water intrusion go a long way in preventing damage.

• Supersessions
  6AX-45560-00-00