4-SINGLE ROCKER COMPONENT
26
CHK
ADJ
NO. PART NO. PART NAME QTY CAUTION
1
1250700-009000 Shaft type A circlip φ75×2.5 1
2
1251500-096000 φ90×φ76×1 washer 1
3
1244200-105000 O-ring φ80×2.65 (inner diameter×wire diameter)
5
1251100-204000 Non-standard bolt M16×1.5×50 (environmental color) 1
7
1244200-066000 O-ring seal (φ22.2×2.4) 1
8
4024200-046000 Single rocker eccentric chain adjuster assembly 1
9
1274100-104000 Bushing Φ50×Φ40×7.5 1
10
1244200-044000 ZT310 single rocker arm Φ50×Φ62×5 oil seal 2
11
1250700-008000 Hole type A circlip φ62×2 2
12
1250601-094000 GBT 276-61908-2RS/P6 deep groove ball bearing 2
13
1250602-034000 NK50/25 needle roller bearing 1
PROCEDURE：
●Disc brake mounting plate
First remove the retaining ring ⑴ with the retaining ring; Then remove the washer ⑵ and O-ring ⑶; Finally,
remove the disc brake mounting plate ⑷.
Remove bolt ⑸ with 21# sleeve.
Remove the lower limit block ⑹ and then remove the sealing ring ⑺.
●Chain adjuster assembly
After removing the bushing⑼ remove the chain adjuster assembly⑻ from the rear fork. If you have difficulty
removing it, you can use a flat-blade screwdriver to insert the slot at the arrow indication, and you can open it
with a little force.
CAUTION:
It is recommended to inspect, maintain and clean the bearings every 6,000 km. After removing the chain
adjuster assembly according to the previous steps, clean the bearings inside with gasoline or diesel. Carefully
check the bearings for damage, smooth rotation, and noise. After confirming the pass, wipe it with a clean, lint-
free cloth and re-apply the grease evenly on the bearing.
6 1100100-732051
ZT310 Rear disc brake mounting plate limited
block(homemade/dark grey matte)
1
Eccentric chain
adjuster
assembly after
sale
4
Fig.8 Rear wheel, swinging
arm component
Chain adjuster assembly
4024300-010000
ZT350 single rocker arm rear disc brake adapter
plate (self-made/dark gray matte)
1
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