2008 Yamaha Motorsports RS Viking Professional Owners Manual - Page 56
2008 Yamaha Motorsports RS Viking Professional Manual
Page 56 highlights
Periodic maintenance 1. V-belt wear limit New V-belt width: 34.1 mm (1.34 in) V-belt wear limit width: 32.5 mm (1.28 in) 3. Install the drive guard and close the shroud. To replace and adjust the V-belt EWS00410 WARNING G G G Never run the engine with the V-belt or drive guard removed. When installing the new V-belt, make sure that it is positioned properly. Otherwise, the V-belt clutch engagement speed will be changed and the snowmobile may move unexpectedly when the engine is started, which could cause an accident. Have a Yamaha dealer make this adjustment. 1. Edge of the secondary sheave assembly 2. Spacer ECS00510 CAUTION: As the V-belt wears, adjustment may be necessary. To ensure proper clutch performance, the V-belt position should be adjusted by adding a spacer on each adjusting bolt when the V-belt position reaches 1.5 mm (0.06 in) below the edge of the secondary sheave assembly. Have a Yamaha dealer make this adjustment. NOTE: Apply the parking brake before replacing the V-belt. 1. Open the shroud and remove the drive guard. 50