How to Bleed the Brakes on a 2001 Triumph TT 600
Shop parts for a 2001 Triumph TT 600 Motorcycle.The TT 600’s Brake System
The 2001 Triumph TT 600 uses hydraulic disc brakes front and rear, without ABS. The front brake circuit runs from the master cylinder and reservoir on the right clip-on to the front caliper bleeders. The rear circuit runs from a pedal-operated master cylinder with its own reservoir to the rear caliper bleeder. Each is bled separately, and with no ABS unit, a careful bleed at the calipers is all the hydraulics need.
Why and When to Bleed
Brake fluid absorbs moisture over time, which lowers its boiling point and can lead to brake fade under hard use. A supersport like the TT 600 can generate serious brake heat during aggressive riding. On a bike more than two decades old, moisture-laden fluid can also contribute to internal corrosion. Many riders refresh the fluid on a regular schedule for both reasons.
Other signs it is time:
- A spongy lever, or one that pulls closer to the grip than it used to
- A soft rear pedal
- Dark or cloudy fluid in a reservoir
- Recent work that opened the system, such as replacing brake lines, servicing a caliper, or master cylinder repair
Tools and Materials
- Fresh brake fluid of the type marked on the reservoir cap, from a sealed container
- A box-end wrench that fits the bleeder valve
- Clear tubing that fits snugly over the bleeder
- A catch bottle
- A syringe or turkey baster
- A screwdriver or driver for the reservoir caps
- Rags or shop towels
- Optional: a one-way check-valve bleeder or vacuum bleeder for solo work
Prepping the Bike
Support the bike securely upright on a paddock stand. Turn the handlebars until the front reservoir is level. Cover the tank, fairing, and dash with rags. Most brake fluids damage paint and plastic on contact; wipe up spills immediately and rinse with water. Check that the reservoir cap screws and bleeders turn freely before you commit to the job.
Step-by-Step Bleeding
- Remove the front reservoir cap and diaphragm.
- Remove most of the old fluid with the syringe, keeping the bottom of the reservoir covered.
- Refill with fresh fluid.
- Fit the clear tube onto the bleeder of the front caliper farthest from the master cylinder and route it into the catch bottle.
- Squeeze and hold the lever.
- Open the bleeder about a quarter turn so fluid and air flow out.
- Close the bleeder before releasing the lever.
- Repeat, topping off the reservoir regularly so it never runs low enough to draw air in.
- When the fluid in the tube is fresh, clean, and bubble-free, close the bleeder.
- Bleed the second front caliper, if equipped.
- Bleed the rear caliper using the foot pedal, keeping the rear reservoir topped up.
Tips for an Older Sport Bike
Expect the first fluid to come out dark, and keep pushing fresh fluid through until it runs clean. Use steady strokes rather than fast pumping. While you work, inspect the brake hoses for cracking, bulging, or seepage; rubber hoses on bikes of this age are often due for replacement, and many sport riders upgrade to braided lines at this point. Never reuse fluid from the catch bottle.
Finishing and Testing
Tighten each bleeder snugly without overtightening. Fill the reservoirs to the correct level marks, reinstall the diaphragms and caps, and clean away any spilled fluid. Check the bleeders and banjo fittings for leaks, and dispose of the old fluid properly.
The lever and pedal should feel firm and consistent and should not slowly sink under steady pressure. Spin both wheels to confirm the brakes are not dragging, then test at low speed in a safe area before riding normally.
When a Shop Is Needed
Take the bike in if the lever will not firm up after several bleeds, only firms up after pumping, keeps producing bubbles, or if fluid leaks from a master cylinder or caliper. On an older TT 600, those symptoms often point to worn seals or aging hoses that a professional should inspect.
Related Shopping Categories
Shop Brake Fluid for a 2001 Triumph TT 600 Motorcycle.
Shop Brake Lines for a 2001 Triumph TT 600 Motorcycle.
Shop Brake Pads for a 2001 Triumph TT 600 Motorcycle.
Shop Stands for a 2001 Triumph TT 600 Motorcycle.
Shop Brake Tools for a 2001 Triumph TT 600 Motorcycle.
Disclaimer: This guide is provided for general informational purposes only and is not intended to replace your motorcycle's official owner's manual. Always refer to your manufacturer's documentation for model-specific instructions, torque specifications, safety procedures, and maintenance requirements. If you are unsure or inexperienced, consider seeking assistance from a qualified mechanic or technician.
