2011 Yamaha Motorsports RS Viking Professional Owners Manual - Page 62

Periodic maintenance and adjustment performance, inspect the brake for wear or brake fluid leakage. (See the following section for more details.) Checking the brake pads Check the brake pads for wear according to the following procedure. 1. Place the snowmobile on a level surface and apply the parking brake. 2. Open the shroud. 3. Check the brake pads for wear. If the brake pads reach the wear limit, ask a Yamaha dealer to replace them. 1. Locknut 2. Chain tension adjusting bolt 3. While holding the chain tension adjusting bolt with a wrench, tighten the locknut to the specified torque. Tightening torque: Locknut: 25 Nm (2.5 m·kgf, 18 ft·lbf) ESU12133 Brake and parking brake EWS00440 WARNING G G A soft, spongy feeling in the brake lever indicates a failure in the brake system. Do not operate the snowmobile if you find any problems in the brake system. You could lose braking ability, which could lead to an accident. Ask a Yamaha dealer to inspect and repair the brake system. 1. Brake pad wear limit Brake pad wear limit: 4.7 mm (0.19 in) 4. Close the shroud. Checking the parking brake pads Check the parking brake pads for wear according to the following procedure. 1. Open the shroud. 2. Check the parking brake pads for wear by measuring the thickness of the pads. If the parking brake pads reach the wear limit, ask a Yamaha dealer to replace them. ECS00060 NOTICE Make sure that the brake lever end does not project out over the handlebar end. This will help prevent brake lever damage when the snowmobile is placed on its side for service. Test the brake at a low speed when starting out to make sure that it is working properly. If the brake does not provide proper braking 56