How to Flush Harley Brake Fluid

Harley brakes are a vital part of a motorcycle’s safety and function, so it’s important to know how to flush and maintain them properly. This guide will teach you how to flush your Harley brake fluid, how often you should do it, and what to do if your bike doesn’t have a reservoir.

What is Harley Brake Fluid?

Harley brake fluid is a type of hydraulic fluid used in many motorcycles. It helps to stop the bike. Harley brake fluid also performs other functions like cooling the brakes, and lubricating them.
When to Flush Harley Brake Fluid?
Harley brake fluid should be flushed every 3 years or 12,000 miles, whichever comes first.

How do you flush Harley brake fluid?

There are a few ways to flush Harley brake fluid, depending on the bike model and year. Here are the steps for each:

-For models with an external reservoir, unscrew the cap and pour in enough fluid to cover the rubber padding at the bottom of the reservoir. Replace the cap.

-For models with a hydraulic system, depress the brake pedal until the fluid is squirted out of the hose near the wheel. Replace the hose.

-For models with a mechanical system, pull out the brake lever and remove the cap on the rear of the cylinder. Squirt brake fluid into the cup and replace the cap.

What are the risks of not flushing Harley brake fluid?

If you don’t flush your Harley brake fluid every 3,000 miles or as required by the manufacturer, you’re taking a risk. The fluid is designed to protect your brake system, and if it’s not flushed properly it can cause problems.

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One of the most common problems is a “brake drag” feel when you try to pedal. This is caused by built-up debris in the brake fluid that’s blocking the pistons from moving the brake pads effectively. If this problem isn’t fixed quickly, it can lead to a brake failure.

Other problems that can occur include:

-A “grinding” noise when you apply the brakes

-A decrease in braking distance

-A reduction in braking power

If any of these signs appear, it’s time to take your bike to a mechanic and have the brake system flushed. Flushing the system will also remove any dust or other debris that may be causing problems.

Conclusion

If you’re experiencing a grinding or squeaking noise when you apply the brakes, it’s likely that your Harley brake fluid is low. To flush out the fluid and restore braking performance to your bike, follow these instructions:
1) Park your bike on a level surface
2) Remove the front wheel
3) Open the reservoir cap located at the rear of the motorcycle
4) Pour in enough clean brake fluid until it begins to overflow (you may need to add more depending on how much was used previously)
5) Replace the reservoir cap and tighten with pliers

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