Polaris Predator 50 Owner's Manual page 168

Specifications
Rider Capacity/Maximum Weight
Displacement
Carburetion
Cooling
Engine type
Lubrication
Oil Capacity
Fuel Capacity
Starting
Drive System
Final Drive
Front Suspension
Rear Suspension
166
Predator 90
1 Rider/150 lbs. (68 kg)
89cc
H68K
Fan Cooled
2-Stroke
Oil Injected
1.1 quarts (1 liter)
1.3 gallons (5 liters)
Electric with kick-start backup
Automatic CVT
Chain
A-arm with 4.25" (10.8 cm) travel
Spring over shock with 4.25" (10.8 cm) of travel