7- LEFT CRANKCASE ASSEMBLY
32
CHK
ADJ
NO.
PART NO.
PART NAME
QTY
CAUTION
1
1251112-002093 M6×30 Hexagon flange bolts(color zinc)
2
2
1251112-005093 M6×75 hexagon flange bolts(color zinc)
1
3
1251112-003093 M6×45 Hex flange surface 9.8 bolt(color zinc)
7
4
1251112-004093 M6×60 Hexagon flange bolts(color zinc)
4
5
1251401-001000 φ8×14 hollow positioning pin
2
6
1051656-003000 ZT158MJ crankcase gasket
1
7
1050656-012000 ZT158MJ transmission mechanism sub-components
1
8
1050256-003000 ZT158MJ drive spindle sub-components
1
9
1050256-004000 ZT158MJ transmission countershaft sub-components
1
12±1.5N.m
PROCEDURE:
●
Use 8#T rod sleeve to remove two bolts(1), one bolt(2), and seven bolts(3) on the left box body.
●
Use 8#T rod sleeve to remove the four bolts
⑷
on the right box.
●
Place the box body upright, with the double-headed stud facing upwards, fix the left box body, use a rubber
hammer to gently knock the right box body loose, then put the crankcase body on a clean non-woven fabric, the
left crankshaft The box is on the bottom and the right crankcase is on the top. Remove the right crankcase.
●
Remove the two positioning pins
⑸
and gasket
⑹
to remove the remaining sealant on the joint surface.
●
Unplug the two fork shafts
①
of the transmission mechanism sub-component
⑺
, and remove the three shift
forks
②
, then the transmission mechanism sub-assembly
⑺
, main shaft sub-component
⑻
, and counter shaft
sub-component
⑼
can be removed from the left case .
CAUTION:
●
Do not damage the joint surface when the glue hammer hits the box.
●
When the right box is removed, the main shaft sub-component
⑻
and the counter shaft sub-component
⑼
should be left on the left box.
●
For the assembly relations of transmission mechanism sub-assembly
⑺
, main shaft sub-assembly
⑻
, counter
shaft sub-assembly
⑼
, crankshaft, and balance shaft, see page 43.
Fig.6 LEFT CRANKCASE
ASSEMBLY
ZT158MJ Left crankshaft box assembly-3
