7-LEFT CRANKCASE ASSEMBLY
42
CHK
ADJ
NO.
PART NO.
PART NAME
QTY
CAUTION
1
1251512-028000 26.2×38×1 thrust washer
2
2
1051054-012000 ZT180MN electric start large tooth A
1
3
1250602-028000 KT26×32×21.8 needle bearing
1
4
1051354-006000 30.2×41.2×1.5 thrust washer
1
5
1251300-066093 M18×1.0 lock nut level 10 (environmental color zinc)
1
95±15N.m
6
1051354-002000 ZT180MN output sprocket nut lock piece
1
7
1050354-023000 Rubber
-
covered output sprocket subassembly
1
1050254-001000 ZT180MN Output chain wheel shaft sleeve
Ordinary
1050254-007000 ZT180MN output sprocket bushing (lengthened)
Lengthened
9
1051454-011000 22.5×2.5 fluoro rubber o
-
ring
2
PROCEDURE:
●
Starting gear assembly
Take out the thrust washer
⑴
, start gear
⑵
, needle bearing
⑶
, thrust washer
⑷
. Note: Start the big gear (2), 1
thrust washer at the front and back (1).
●
Output sprocket assembly
Before disassembly and assembly, use a hammer and a flat blade to knock the locking piece
⑹
flat, use a 24#
sleeve to remove the bolt
⑸
, remove the locking piece
⑹
, and pull out the output sprocket
⑺
and sprocket shaft
sleeve
⑻
. The O-ring
⑼
is installed in the groove inside the sprocket sleeve
⑻
.
CAUTION
:
●
After installing the nut, knock one end of the locking piece flush with one end of the nut. Prevent bolts from
falling off.
●
When installing the shaft sleeve, please check whether the two O-rings inside the shaft sleeve have fallen off.
Fig.2 LEFT CRANKCASE
ASSEMBLY
Disassemble the large starting gear and the output
sprocket
8
1