Page 3331
Notice:
1. When disassembling the magneto rotor,
it can only be disassembled with special
tools, and it is not allowed to knock the
magneto rotor
;
2. The
magneto rotor is accidentally
impacted during disassembly and assembly.
If the magneto rotor falls to the ground or is
struck by foreign objects, the magneto rotor
should be replaced with a new one.
Dismantling of balance main and
driven teeth
1. Remove the balance driving gear locking
nut (1) and the driving gear locking nut washer (2)
respectively;
2. Remove the crankshaft timing drive
sprocket (3) and balance drive gear (4);
3. Remove the balance driven gear lock nut
(5) and the CB125 clutch disc washer (6);
4. Remove the balance gear driven wheel (7),
the NC250 crankshaft sleeve, and the balance shaft
flat key.
Removal of the left body oil
pump
1. Remove the 3 GB/T16674 small plate bolts
M5
×
1 2 that fasten the left oil pump cover plate;
2. Remove the oil pump cover, remove the
left oil pump rotor assembly, and keep the oil
pump pins properly to avoid loss.
Inspection of left crankcase cover
Check whether the balance shaft oil seal of
the left crankcase cover
is damaged
. If so, the
balance shaft oil seal must be replaced.
Inspection of magneto stator and
rotor
Left body oil pump rotor combination
Left body oil pump cover
1
2
4
3
5
6
7
M5
×
1 2
