Yamaha - Gear (21T) - Lower Unit Gear Component - 6CF-45560-01-00

Overview

The Yamaha Gear (21T) | 6CF-45560-01-00 is a precision-machined gear designed to ensure smooth and efficient power transfer within your outboard’s lower unit. With its 21-tooth configuration, it plays a vital role in maintaining proper gear ratios and consistent propulsion. When gears begin to wear, you may notice grinding noises, slipping, or reduced performance—this component helps restore reliable operation and protects surrounding parts from further damage.

Key Features

• 21-Tooth Gear Design – Optimized for proper gear ratio and smooth power transmission.

• OEM Fit Precision – Manufactured to Yamaha specifications for accurate alignment and seamless integration.

• Reliable Power Transfer – Ensures consistent propulsion and efficient operation.

• High-Strength Construction – Built to withstand torque, pressure, and harsh marine environments.

Engine & Boat Compatibility

Verify compatibility with your specific Yamaha engine model and part number before installation.

FAQs

Q1: What does this gear do?
A: It transfers power between internal components in the lower unit to drive the propeller.

Q2: What are signs it’s worn?
A: Grinding noise, slipping, or reduced propulsion performance.

Q3: Can a damaged gear affect other parts?
A: Yes, it can cause additional wear on surrounding gears and components.

Q4: Is this a common wear item?
A: Gears can wear over time, especially with heavy use or poor lubrication.

Q5: Is installation difficult?
A: It requires lower unit disassembly and mechanical experience.

• Supersessions
  6CF-45560-00-00