Roketa GK-19 Owners Manual, Assembly Instructions, And Parts Manual page 16

d. Brake
Please check the operation of the brake and adjustthe free path when
necessary.
e. Tires
You should check the tightness of the screw bolt and screw nut, the state and
the air pressure of the tires to see if it is suitable to drive.
f. Accelerator
Please check the accelerator if it can move freely and if it can resume its
position.
g. Ignition Key and Blanket Switch
Please check the joints and plugs if they are tight and work properly.
h. Screw Bolt, Screw Nut, Fastener
Please check the wheel axles to see if the screw bolts are tight and to see if
the other screw bolts and screw nuts are tight and reliable. You must make sure
that the screw bolts of Steer Wheel is tight and reliable and the front wheels turn
in the same direction of Steer Wheel freely.
i. The Lower Part of Vehicle and Exhaust System
Please check and clear the dust, plants and the other foreign substances
that will possibly cause fire or wrong operation.
You must clear all the faults before driving and you can also ask help from
the dealer of franchiser if you fail to do so.