The disassembly steps of the clutch are as follows:
1. Remove the through-tubing and the through-tubing
spring;
2. Remove four M5x10 cross countersunk screws that
secure the clutch end cover;
3. Remove the clutch end cover and gasket;
4. Pry open the locked clutch stop washer, remove the
large round nut fastening the clutch, take off the
butterfly washer, clutch stop washer;
5. Take out the clutch;
6. Remove the clutch driving gear jacket;
7. Remove the elastic retainer below the clutch, and take
out the clutch upper plate, friction plate, friction plate,
clutch driving plate, outer cover, shock absorption
spring, spring in turn. (This step is not recommended to
disassemble, because assembly after disassembly
requires special equipment with press assembly), if the
clutch is damaged, you can replace a new clutch.
Disassembly of driving and driven gears
The disassembly steps of the driving and driven gears are as follows:
1. Remove the driving tooth (18 teeth), driving tooth shaft sleeve and driving tooth ring (3mm);
2. Remove the rear-ring of the driven gear and take out the driven gear (67 teeth).
Note:
when removing the driven gear rear-ring, prevent the driven gear rear-ring from falling and falling into the
crankcase.
Removal of engine oil pump
The removal steps of the oil pump are as follows:
1. Remove one GB/T819/ M6x30, one GB/T819/
M6x35, and two GB/T819/ M6x35 cross-reckled
countersunk screws for securing the oil pump.
2. Remove the oil pump, oil pump gasket and 2 φ 8×12
positioning pins;
3. Remove the two bolts M5x12 of the cover plate of the
oil pump, remove the spring washer of the oil pump,
remove the washer and the cover plate of the oil pump;
4. Remove the internal and external rotors of the oil
pump and the oil pump pin C2 2.5×10, and then remove
the oil pump gear, oil pump shaft, oil pump body and oil
pump pin C3×16.
Note:
there are 1 oil pump pin φ4×7 inside and outside
the oil pump, and the spring washer, washer and oil
pump pin removed should be properly kept to avoid
loss.
Disassemble shift mechanism