4、REAR WHELL COMPONENT
33
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)
1
6
1244200-066000 O-ring seal (φ22.2×2.4)
1
8
1274100-104000 Bushing Φ50×Φ40×7.5
1
10
1250700-008000 Hole type A circlip φ62×2
2
11
1250601-094000 GBT 276-61908-2RS/P6 deep groove ball bearing
2
12
1250602-034000 NK50/25 needle roller bearing
1
PROCEDURE:
●Disc brake mounting plate
First remove the retaining ring with the shaft circlip ⑴; then remove the washer ⑵ and O-ring ⑶;and finally
remove the disc brake mounting plate ⑷.
Take the lower limit block ⑸ and remove the seal ring⑹.
●Chain adjuster assembly
After removing the bushing ⑻ remove the chain adjuster assembly⑺ 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.
●Chain adjuster assembly bearing maintenance
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.
CAUTION:
●It is recommended to inspect, maintain and clean the bearings every 6,000 km.
●If the disassembled chain adjuster assembly is inspected before the reassembly, carefully check whether
the oil seal is damaged; the bearing needs to be pressed into place.
7 4024200-046000
ZT310 single rocker eccentric chain adjuster assembly
(including bearing/oil seal)
1
9 1244200-044000
ZT310 single rocker arm Φ50×Φ62×5 oil seal
2
Eccentric chain
adjuster
assembly after
sale
4 4024300-010000
ZT350 single rocker arm rear disc brake adapter plate
(self-made/dark gray matte)
1
5 1100100-732051
ZT310 Rear disc brake mounting plate limited
block(homemade/dark grey matte)
1
Fig.11 Rear wheel, swinging
arm component
Chain adjuster assembly
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