Warning!
- Before installation, all internal brake components should be cleaned and lubricated with clean or new brake fluid.
- Never use solvents on internal brake components.
- Recommended brake fluid: DOT 4
1. Install:
- brake master cylinder (1)
- brake master cylinder bracket (2): 10 Nm (1.0 m·kg)
![](https://motoinstruction.ru/img/yamaha/16/122486.jpg)
Note:
- Install the brake master cylinder bracket with the "UP" mark facing up.
- Align the end of the brake master cylinder holder with the punch mark (a) on the handlebar.
- First, tighten the upper bolt, then the lower bolt.
2. Install:
- copper washers (New) (1)
- brake hose (2)
- union bolt (3): 30 Nm (3.0 m·kg)
![](https://motoinstruction.ru/img/yamaha/16/122487.jpg)
Warning! Proper brake hose routing is essential to insure safe motorcycle operation- Refer to "Cable routing".
Note:
- While holding the brake hose, tighten the union bolt as shown.
- •Turn the handlebar to the left and to the right to make sure that the brake hose does not touch other parts (e. g., wire harness, cables, leads). Correct if necessary.
3. Fill: brake master cylinder reservoir
(with the specified amount of the recommended brake fluid)
- Recommended brake fluid: DOT 4
Warning!
- Use only the designated brake fluid.
- Other brake fluids may cause the rubber seals to deteriorate, causing leakage and poor brake performance.
- Refill with the same type of brake fluid that is already in the system. Mixing brake fluids may result in a harmful chemical reaction, leading to poor brake performance.
- When refilling, be careful that water does not enter the reservoir. Water will significantly lower the boiling point of the brake fluid and could cause vapor lock.
Caution! Brake fluid may damage painted surfaces and plastic parts. Therefore, always clean up any spilled brake fluid immediately.
4. Bleed: brake system. Refer to "Bleeding the hydraulic brake system".
5. Check: brake fluid level
Below the minimum level mark (a) → Add the recommended brake fluid to the proper level. Refer to "Checking the brake fluid level".
![](https://motoinstruction.ru/img/yamaha/16/122488.jpg)
6. Check: brake lever operation
Soft or spongy feeling → Bleed the brake system. Refer to "Bleeding the hydraulic brake system".