Yamaha - Clutch Dog - Lower Unit Component - 68U-45631-00-00

Overview

The clutch dog is a critical internal component of your Yamaha outboard’s lower unit, responsible for engaging and locking into forward and reverse gears. This allows power to transfer from the engine to the propeller when shifting. Built with precision-machined teeth, the clutch dog ensures solid engagement and smooth operation during gear changes. If this part becomes worn or damaged, it can lead to grinding, slipping out of gear, or difficulty shifting. Replacing it restores proper gear engagement and dependable performance on the water.

Key Features

• Gear Engagement Function – Locks into gears to enable forward and reverse propulsion.
• Smooth Shifting Performance – Helps eliminate grinding and slipping during gear changes.
• OEM Yamaha Construction – Manufactured to exact factory specifications for durability.
• Lower Unit Internal Component – Designed for precise integration within the gearcase.

Engine & Boat Compatibility

Compatible with Yamaha outboards using this clutch dog within the lower unit / gearcase system.

FAQ

Q: What does a clutch dog do?
A: It engages the forward or reverse gear, allowing the propeller to spin.

Q: What are signs it needs replacement?
A: Grinding noise, slipping out of gear, or difficulty shifting.

Q: Is this part inside the lower unit?
A: Yes, it is an internal gear engagement component.

Q: Is this a complete lower unit?
A: No, it is a single internal component within the gearcase.

Q: Is installation difficult?
A: Yes, it requires disassembly of the lower unit and is typically done by experienced technicians.