Bad Boy 550cc Owner's Manual page 15

① Battery
7. Do not open radiator cap before coolant has
cooled down. When the coolant is cold, open
slowly to ensure no pressure is on the
system, and then open cap. Check for the
coolant level in the coolant reservoir. If
necessary, add coolant.
8. Tires should be mounted on rims with special
equipment by professionals.
9. Keeping specified tire pressure can help to
ensure driving safety.
10. Elevate the vehicle and place a suitable
stand under the frame when removing the
wheels. Be sure to tighten the wheel nuts to
specified torque.
Safe Operation
2-5