Yamaha - Gear - Internal Engine Component - 6FM-45571-00-00

Overview

The Yamaha Gear | 6FM-45571-00-00 is one of those internal parts that keeps everything turning the way it should. When a gear starts to wear or chip, you’ll usually hear it first—extra noise or rough operation that wasn’t there before. It plays a key role in transferring motion between components, so it needs to stay precise and properly aligned. If you’re already inside the engine or lower unit, 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 operation.

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

• Smooth Gear Engagement – Helps reduce friction and unwanted noise during operation.

• Durable Load Handling – Designed to withstand continuous use, torque, and engine stress.

Compatibility

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

FAQs

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

Q2: Can a damaged gear affect other components?
A: Yes, worn gears can cause additional stress and damage to surrounding parts if not replaced.

Q3: Is this a common wear item?
A: Not typically, but over time and with 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 replace other parts at the same time?
A: It’s a good idea to inspect bearings, seals, and other gears while everything is apart.