Yamaha - Dog Clutch - Gear Engagement Component - 6D8-45631-00-00

Overview

The Yamaha Dog Clutch | 6D8-45631-00-00 is a critical component inside the lower unit that enables smooth and reliable shifting between forward, neutral, and reverse. It works by locking gears together when engaged, allowing power to transfer from the engine to the propeller. When this part begins to wear, you may notice gear slippage, grinding noises, or difficulty staying in gear. Replacing a worn dog clutch is essential to restore proper shifting and prevent further damage to internal gear components.

Key Features

• Positive Gear Engagement – Locks gears together for dependable forward and reverse operation.

• OEM Fit Precision – Manufactured to Yamaha specifications for accurate alignment and reliable performance.

• Prevents Gear Slippage – Helps maintain consistent engagement under load.

• Heavy-Duty Construction – Built to withstand torque, shock loads, and harsh marine conditions.

Engine & Boat Compatibility

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

FAQs

Q1: What does a dog clutch do?
A: It engages and locks gears together to transfer power in forward or reverse.

Q2: What are signs it’s worn out?
A: Gear slipping, grinding noise, or the engine popping out of gear.

Q3: Can a worn dog clutch damage other parts?
A: Yes, it can cause additional wear on gears and internal components.

Q4: Is this a common wear item?
A: It can wear over time, especially with heavy use or improper shifting.

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

• Supersessions
  67F-45631-00-00