49
Add gear oil.
Check whether there is oil leakage in any part.
Install the dipstick.
（放油螺栓：
drain bolt
）
Drive belt
Remove the cover of left crankcase.
Check whether the drive belt is ruptured or abraded.
Periodically maintenance shall be guaranteed, and replace the
drive belt if necessary.
（驱动皮带：
drive belt
）
Free stroke of front/rear brake
Free stroke of front brake
Measure the free stroke of front brake at the tip of the brake
lever.
Free stroke: 10-20mm
Free stroke of rear brake
Measure the free stroke of rear brake at the tip of the rear
brake lever.
Free stroke: 10-20mm
Inspection of brake fluid level
