Yamaha PW50 Owner's Manual page 74

Specifications
Clutch:
Clutch type:
Wet, centrifugal, shoe
Drivetrain:
Primary reduction ratio:
1.909 (63/33)
Final drive:
Shaft
Secondary reduction ratio:
6.218 (19/15 x 54/11)
Chassis:
Frame type:
Backbone
Caster angle:
25.50 °
Trail:
50 mm (2.0 in)
Front tire:
Type:
With tube
Size:
2.50-10 4PR
Manufacturer/model:
BRIDGESTONE/M29
Manufacturer/model:
IRC/Z MARK II (PW50_ZAF, PW50G,
PW50G2)
Speed rating:
100 km/h (62 mph)
Rear tire:
Type:
With tube
9
Size:
2.50-10 4PR
Manufacturer/model:
BRIDGESTONE/M29
Manufacturer/model:
IRC/Z MARK II (PW50_ZAF, PW50G,
PW50G2)
Speed rating:
100 km/h (62 mph)
Loading:
Maximum rider weight:
25.0 kg (55 lb)
Tire air pressure (measured on cold
tires):
Front:
100 kPa (1.00 kgf/cm², 15 psi)
Rear:
100 kPa (1.00 kgf/cm², 15 psi)
Front wheel:
Wheel type:
Panel wheel
Rim size:
10x1.50
Rear wheel:
Wheel type:
Panel wheel
Rim size:
10x1.50
Front brake:
Type:
Mechanical leading trailing drum brake
Rear brake:
Type:
Mechanical leading trailing drum brake
Front suspension:
Type:
Telescopic fork
Spring:
Coil spring
Shock absorber:
Hydraulic damper
Wheel travel:
60 mm (2.4 in)
Rear suspension:
Type:
Unit swing
Spring:
Coil spring
Shock absorber:
Hydraulic damper
Wheel travel:
50 mm (2.0 in)
Electrical system:
Ignition system:
CDI
9-2