4-SINGLE ROCKER COMPONENT
22
NO. PART NO. PART NAME QTY CAUTION
1 1274100-108000 Bushing Φ45×Φ35×5.5+Φ54×Φ35×2 1
2 1274100-105000 Bushing Φ46×Φ35×7.3 1
3 1244100-087000 ZT310-R1 single rear fork sprocket buffer rubber 5
4 1094200-013000 ZT310 single rear fork sprocket seat inner shell 1
5 1244200-088000 O-ring (Φ52.4×2.6) 1
ZT250－T1 520－43T sprocket
7 1251100-190000
Non standard bolt M10×1.5×30
（
）
8 1251300-057093
Non standard nut M10×1.5
（
）
10 1244200-045000 ZT310 single rear fork arm Φ45×Φ55×5 oil seal 1
11 1250601-095000 DA355520-2RS angular contact bearing 1
Fig.4 Rear wheel, swinging
arm component
Sprocket assembly 2
4024200-086051
ZT310 dark gray single rear fork sprocket seat shell
assembly (including bearing / oil seal)
9
PROCEDURE:
●Sprocket assembly
Remove the bushing⑴ to separate the inside and outside of the sprocket seat.
Remove the bushing⑵. When reassembling, pay attention to the bushing⑵. The larger chamfered end faces the
inner shell of the sprocket seat.
Remove 5 pieces of sprocket cushion rubber ⑶ from the outer casing assembly⑼.
Remove the O-ring⑸ from the inner casing ⑷.
The outer casing assembly⑼already contains an oil seal⑽and a bearing⑾which are attached to the outer casing
for interference, and it is not recommended to disassemble the assembly if necessary.
●Sprocket
Remove 5 nuts ⑻ and 5 bolts ⑺ with 14# sleeves respectively, and remove the sprocket ⑹. During
reassembly, pay attention that the lettered side of the sprocket faces outward.
CAUTION:
●The notch position of the bolt ⑺ is facing inward.
●The sprocket seat housing assembly⑼ already contains an oil seal and bearings. The distance from the upper
end surface of the bearing to the upper end surface of the outer casing is 7.9 to 8.0 mm.
1
After-sale
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