Roketa GK-06 User Manual page 13

Start the engine and warm it up for about 5 minutes.
Tighten or loosen the idle adjusting screw to make the engine in idle running condition
Turn the idle adjusting screw counter-clockwise, the idle speed decrease, whereas clockwise the idle speed increases.
The idle speed has already been adjusted to the optimum condition when the kart left the factory. Normally, there is no need to readjust it
7) Brake system check
The brake pedal must have proper length of travel. Length of travel is the distance from brake pedal' s idle position to it' s working position, and it is about 15-25mm.
Periodically inspect the thickness of the brake disc. It should be replaced in case of any wear of over 1mm.
Periodically inspect the level of the brake fluid in the oil cup. When the brake fluid is below the required level, fill new DOT3 or DOT4 brake fluid.
Always keep the brake discs and the brake pads clean.
7) Maintenance guide
Repair should be done by professional service center, unless the owner has a complete set of repairing tools and maintenance manuals. Stop the engine before repairing the kart.
WARNING: If your kart has experienced a collision or overturn, please carefully inspect each part of the kart, such as the frame, suspension and steering device;
Driving damaged kart is forbidden as it will endanger yourself.
Fig 19
13
Brake master cylinder