2008 Yamaha Motorsports Royal Star Venture Owners Manual - Page 94

PERIODIC MAINTENANCE AND MINOR REPAIR G Use only the recommended quality brake fluid, otherwise the rubber seals may deteriorate, causing leakage and poor braking or clutch performance. brake fluid level goes down suddenly, have a Yamaha dealer check the cause. EAU22750 Changing the brake and clutch fluids Have a Yamaha dealer change the brake and clutch fluids at the intervals specified in the NOTE after the periodic maintenance and lubrication chart. In addition, have the oil seals of the brake and clutch master cylinders and calipers as well as the brake and clutch hoses replaced at the intervals listed below or whenever they are damaged or leaking. G Oil seals: Replace every two years. G Brake and clutch hoses: Replace every four years. Recommended brake and clutch fluid: DOT 4 brake fluid G G 7 G G Refill with the same type of brake fluid. Mixing fluids may result in a harmful chemical reaction and lead to poor braking or clutch performance. Be careful that water does not enter the brake or clutch fluid reservoir when refilling. Water will significantly lower the boiling point of the fluid and may result in vapor lock. Brake fluid may deteriorate painted surfaces or plastic parts. Always clean up spilled fluid immediately. As the brake pads wear, it is normal for the brake fluid level to gradually go down. However, if the 7-27