2009 Yamaha Motorsports FX Nytro XTX Owners Manual - Page 62
2009 Yamaha Motorsports FX Nytro XTX Manual
Page 62 highlights
Periodic maintenance and adjustment injury or death from a broken V-belt or other part should it come off the snowmobile while it is in operation. ECS00830 be changed and the snowmobile may move unexpectedly when the engine is started, which could cause an accident. NOTICE Never run the engine with the V-belt removed. Clutch components can be damaged. The V-belt should be checked before each ride. To check the V-belt 1. Remove the shroud and the left side cover, and then remove the drive guard. (See pages 17 and 44 for removal procedures.) 2. Check the V-belt for wear and damage. Replace if necessary. 1. Edge of the secondary sheave assembly 2. Spacer 3. V-belt position adjusting bolt 1. V-belt wear limit ECS00510 NOTICE 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. 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 then install the left side cover and the shroud. To replace and adjust the V-belt EWS00411 WARNING When installing a new V-belt, make sure that it is positioned properly. Otherwise, the V-belt clutch engagement speed will 56