How To Rebuild your ATV Master Cylinder
Getting a big Utility ATV stopped on the trail can be a task – especially so if there is some weight on the front or rear racks. Braking is something that many ATV owners take for granted and even neglect until the entire system begins to break down beyond repair.
We recently serviced our 2003 Honda Rancher before hunting season and when it came to the brake system the pads were not the only item in the death zone. In this short and sweet process we will show you how to rebuild a degraded master cylinder to keep the brakes working at their full potential.
For a little background information, the master cylinder holds an ATV’s brake fluid and acts as a pumping device to pressurize the brake lines, activating the brake calipers. We knew our master cylinder needed attention because the brakes were starting to feel spongy and not holding pressure.
After removing the two screws that hold the cap on our front brake master cylinder reservoir, we noticed we really needed to change the fluid. The reservoir had also become caramel brown and the fluid had collected flakey contaminants from years without a change. This corrosion was getting in the way of the o-rings and rubber seals doing their job properly.
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