8-164. Start the engine, allow it to idle for several minutes,and then turn it off.5. Check the coolant reservoir. If it is not full, remove thecoolant reservoir cap, fill the reservoir with the recom-mended coolant, and then install the cap.6. Check for any coolant leakage.NOTE:@If you find any leaks, consult a Yamaha dealer.@7. Install the top cover.ESU04550Replacing the V-beltWARNING@When installing the new V-belt, make sure it is posi-tioned from 1.5 mm (0.06 in) above the edge of thesecondary sheave assembly to 0.5 mm (0.02 in)below the edge a.If not, the V-belt clutch engagement speed will bechanged. The snowmobile may move unexpectedlywhen the engine is started.Adjust the V-belt position by removing or adding aspacer 1 on each adjusting bolt.Have a Yamaha dealer make this adjustment.@CAUTION:@As the V-belt wears, adjustment may be necessary.To ensure proper clutch performance, the V-beltposition should be adjusted by adding a spacer oneach adjusting bolt when the V-belt position reaches1.5 mm (0.06 in) below the edge.Have a Yamaha dealer make this adjustment.@CD-05ENOTE:@Apply the parking brake before replacing the V-belt.@New belt width 34.5 mm (1.36 in)Belt wear limit width 32.5 mm (1.28 in)