Clutch Dog Replacement For Yamaha 50 90 HP Two And Four Stroke Outboard Motors 1994 Through 2001 Direct Fit Lower Unit Gear Engagement Part For Smooth Forward And Reverse Action Plug And Play Tough Marine Grade Reliability

Single-Unit Outboard Clutch Dog Replacement for 50-90 HP
✔️ Direct-fit lower unit dog for smooth forward/reverse engagement

The clutch dog replacement is an aftermarket component designed to fit lower unit assemblies on outboard motors in the 50-HP to 90-HP range. It provides precise engagement for smooth forward and reverse shifts under marine loading conditions.

✅ Replaces OEM numbers 688-45631-00-00 and 688-45631-01-00
✅ Direct-fit design matches original dimensions for easy installation
✅ Heavy-duty hardened steel alloy with saltwater corrosion resistance
✅ Engineered for long life under repeated gear shifts

💡 What is a clutch dog in an outboard lower unit and why replace it?

In short, the clutch dog is the gear engagement piece that locks the drive gear with the selected gear in the lower unit. Replacement keeps shifts reliable and protects gears from wear.

• It transmits torque from the drive gear to the selected gear
• Worn dogs can slip, chatter, or fail to engage under load
• Using a proper replacement maintains safe operation and longer gear life