ISCYCLE PARTS

How to Install the NEW One Way Free Wheel Starter Clutch on Yamaha YFZ450 (2004–2009) – Step-by-Step Guide

How to Install the NEW One Way Free Wheel Starter Clutch on Yamaha YFZ450 (2004–2009) – Step-by-Step Guide

Introduction
The One Way Free Wheel Starter Clutch is a critical component for your Yamaha YFZ450, ensuring smooth engine starts and preventing reverse rotation damage. This guide covers professional installation steps, tools needed, and troubleshooting tips.

Tools Required

  • Socket wrench set (8mm–14mm)

  • Torque wrench

  • Impact driver (for stubborn bolts)

  • Grease (high-temperature)

  • Shop manual (reference)

Step-by-Step Installation

  1. Safety First: Disconnect the battery and drain the oil.

  2. Remove the Stator Cover: Use an impact driver to loosen bolts.

  3. Extract the Old Clutch: Note the alignment of gears before removal.

  4. Install the New Clutch: Apply grease to bearings, align the freewheel mechanism, and torque bolts to 10–12 Nm.

  5. Reassemble & Test: Refill oil, reconnect the battery, and test-start the engine.

Pro Tip: If the starter slips, check gear alignment and grease application.

Where to Buy:

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