Yamaha - Lower Unit Assembly - Gearcase & Drive System - 69G-45300-11-8D

Overview

On smaller kicker motors like the Yamaha T9.9, the lower unit plays a big role in keeping things smooth and reliable, especially during long trolling runs. This assembly is built to deliver steady power transfer and dependable operation, whether you're moving slow and precise or getting where you need to go. If your current unit is worn or damaged, replacing it brings back that consistent, quiet performance you rely on out on the water.

Key Features

• Complete Gearcase Assembly – Restores smooth and efficient power transfer to the prop.
• Built for Trolling Applications – Ideal for steady, low-speed operation on kicker motors.
• Durable Marine Construction – Designed to handle freshwater and saltwater environments.
• OEM Yamaha Fitment – Engineered to factory specs for proper alignment and reliability.

Engine & Boat Compatibility

• T9.9 - 2016-2018

FAQ

Q: What are signs a lower unit needs replacement?
A: Grinding noise, vibration, shifting issues, or reduced performance are common indicators.

Q: Is this a complete lower unit assembly?
A: Yes, it’s a full gearcase assembly designed for direct replacement.

Q: Will this improve performance?
A: If your existing unit is worn or damaged, it will restore smooth operation and efficiency.

Q: Is this designed for kicker motors?
A: Yes, it’s specifically suited for T9.9 kicker-style outboards.

Q: Is installation difficult?
A: It’s manageable with experience, though professional installation is often recommended.

• Supersessions
  60S-G5300-10-4D, 60S-G5300-11-4D, 69G-45300-10-4D, 69G-45300-11-4D, 69G-45300-12-8D, 69G-45300-13-8D, 69G-45300-13-8D
• Engine Application
  • T9.9 - 2016-2018