1999-2001 Yamaha Phazer 500 / Venture 500 service manual, Page 19Get this manual
COOLING FAN BELT INSPECTION 6Measure: Cooling fan belt deflection Out of specification -i Adjust
Attach spring scale to the center of the cooling fan belt and apply force ofkg (8.813.2 Ib) to the belt
Cooling fan belt deflectionmm (0.31 in)4kg (8.813.2 Ib)
7Adjust: Cooling fan belt deflection