Yamaha 2003 WR450F Rear Brake Cylinder Upgrade:
This Complete Yamaha 2003 WR450F Rear Master Cylinder Reservoir Upgrade can be built for either a firmer brake pedal or a more progressive feel. To upgrade the Billet Brembo CNC Rear Brake Cylinder in the last photo, click the upgrade option.
Select the green option above if a more progressive is desired.
What’s included with this Yamaha 2003 WR450F Rear Brake Cylinder?
-
- Nissin or Brembo – Brake master that’s fully assembled.
- Titanium mounting & cover bolts.
- Built-in Spring and CNC Clevis.
- Built-in reservoir cap replaces older designs with remote plastic reservoirs.
- Installed Piston & seals.
- Genuine rubber dust cover and spring.
- Everything’s included and assembled as reference pictures.
- Just Bleed & Ride!
Compatibility/Fitment
This is a list of all the years we carry this part for, yet there may be a different part number from year to year. If your bike is listed, no worries; the product will fit your ride. If any mods are done to the bike, please let us know on the checkout page or in a message after purchase so we can send the correct product for your ride.
| Brand | Model | Year |
|---|---|---|
| Yamaha | WR450F | 2003 |
| Yamaha | WR450F | 2004 |
| Yamaha | WR450F | 2005 |
| Yamaha | WR450F | 2006 |
| Yamaha | WR450F | 2007 |
| Yamaha | WR450F | 2008 |
| Yamaha | WR450F | 2009 |
| Yamaha | WR450F | 2010 |
| Yamaha | WR450F | 2011 |
| Yamaha | WR450F | 2012 |
| Yamaha | WR450F | 2013 |
| Yamaha | WR450F | 2014 |
| Yamaha | WR450F | 2015 |
| Yamaha | WR450F | 2016 |
| Yamaha | WR450F | 2017 |
| Yamaha | WR450F | 2018 |
| Yamaha | WR450F | 2019 |
| Yamaha | WR450F | 2020 |
| Yamaha | WR450F | 2021 |
| Yamaha | WR450F | 2022 |
| Yamaha | WR450F | 2023 |
| Yamaha | WR450F | 2024 |
| Yamaha | WR450F | 2025 |
Kirk –
looks and works better than the stock kx500 master