Barton Hyper, Manual

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● abrasion of the brake pads or the distance between the normal position of
the front brake and the handlebar grip is 10-20 mm
6. Brake fluid
The vehicle was filled with special brake fluid from the factory. The scooter user should
fill or replace the fluid with the recommended fluid (DOT4). Never replace brake fluid
with or mix it with other fluids to avoid damaging the brake system. If the brake fluid
is not of good enough quality, air can get into the brake system and cause damage.
Caution: brake fluid is a highly aggressive agent. This can cause damage and paint
deterioration in certain parts of the vehicle. If fluid is found on any part of the scooter,
it should be cleaned immediately.
Safety precautions: if liquid gets into eyes or on skin, rinse quickly with plenty of water!
7. Tires
Tire pressure that is too low can cause vehicle instability. Check the pressure and
remember to do regular maintenance. It is suggested to change tires when the tread
depth is less than 2 mm.