ZHEJIANG KAYO MOTOR CO., LTD.
Note: There is an oil pump pin φ4×7 inside and outside the oil pump. The removed spring washers, washers
and oil pump pins should be kept properly to avoid losing them.
REMOVAL OF THE SHIFT MECHANISM
The removal steps of the shifting mechanism are as follows:
Remove the shift arm components.
Remove the five-star board fastening screws GB/T70.1 M6×35, and take off the five-star board.
Remove the positioning plate combination fastening screw, and remove the positioning plate spring and positioning
plate combination.
REMOVAL OF THE RIGHT CRANKSHAFT COVER
The inspection steps of the right crankcase cover are as follows:
1
、
Check whether the right crankcase cover starter shaft oil seal and clutch push rod oil seal are damaged. If the oil
seal is found to be broken, it needs to be replaced with a new one.
Note when replacing the oil seal:
Confirm whether the state of the oil seal is correct, starting shaft oil seal 13.7×24×5, clutch push rod oil seal
12×21×4;
When assembling, the marked side should face outward
Check whether the clutch adjusting nut and the clutch adjusting bolt rotate flexibly, and whether the return spring is
intact.
Whether the right crankcase cover is broken and whether the oil passage is unobstructed. If damaged, replace the
right crankcase cover with a new one
CLUTCH INSPECTION
The inspect procedures of the clutch are as follows:
Measure the free length of the clutch spring
Repair limit value
：
20.5mm
Damping spring repair limit value
：
21mm
Measure the thickness of the friction lining of each clutch. If the friction lining of the clutch is scratched or faded, it
should be replaced.
Repair limit value
：
2.5mm
Check whether there is any distortion on the surface of the clutch driven plate.
Repair limit value
：
0.14 mm
Check the clearance between the clutch cover and the friction plate.
Repair limit value
：
0.6 mm
Check whether the tooth groove on the outer cover drum is notched or scarred due to the friction of the clutch disc.
If it is serious, replace the outer cover.
www.kayomoto.com
