Yamaha - Gear - Internal Drivetrain Component - 6FM-45560-00-00

Overview

The Yamaha Gear | 6FM-45560-00-00 is one of those internal parts that keeps everything turning smoothly behind the scenes. When a gear starts to wear or chip, you’ll usually hear it before anything else—extra noise, rough operation, or inconsistent performance. It plays a key role in transferring power through the system, so it needs to stay properly aligned and in good shape. If you’re already inside the lower unit or engine, this is one of those parts worth replacing to avoid bigger issues later.

Key Features

• Reliable Power Transfer – Moves rotational force between components for smooth and consistent operation.

• OEM Fit Precision – Built to Yamaha specifications for proper gear meshing and alignment.

• Smooth Operation Support – Helps reduce friction and unwanted noise during use.

• Durable Load Handling – Designed to withstand continuous torque and marine operating conditions.

Compatibility

Compatible with select Yamaha outboard engines using this gear configuration.
Commonly found in Yamaha systems requiring precise internal power transfer.
Always confirm compatibility using your engine model and part number.

FAQs

Q1: What are signs this gear is worn or damaged?
A: Grinding noise, rough operation, or decreased performance can indicate gear wear.

Q2: Can a worn gear affect other components?
A: Yes, damaged gears can cause additional stress and wear on surrounding parts.

Q3: Is this a common wear item?
A: Not typically, but over time and heavy use, gears can wear down.

Q4: Does replacing this require major disassembly?
A: In most cases, yes, since gears are located inside the engine or lower unit.

Q5: Should I inspect other parts during replacement?
A: It’s a good idea to check bearings, seals, and related gears while everything is apart.