KYMCO Mongoose 50-4T User Manual

9.DRIVE AND DRIVEN PULLEYS
9-2
SERVICE INFORMATION
GENERAL INSTRUCTIONS
• The drive pulley, clutch and driven pulley can be serviced with the engine installed in the frame.
• Avoid getting grease and oil on the drive belt and pulley faces. Remove any oil or grease from
them to minimize the slipping of drive belt and drive pulley.
SPECIFICATIONS mm (in)
Ite
m
Standar
d
Service Limit
90cc 23.989～24.052
(
0.95956～0.96208
)
24.06
(
0.9624
)
70cc 20.035～20.085
(
0.8014～0.8034
)
20.6
(
0.824
)
Movable drive
face bushing I.D.
50cc 20.035～20.085
(
0.8014～0.8034
)
20.6
(
0.824
)
90cc 23.96～23.974
(
0.9584～0.95896
)
23.94
(
0.9576
)
70cc 19.96～19.974
(
0.7984～0.79896
)
19.94
(
0.7976
)
50cc-4T 19.96～19.974
(
0.7984～0.79896
)
19.94
(
0.7976
)
Drive face collar
O.D.
50cc-2T 20.01～20.025
(
0.8004～0.801
)
19.98
(
0.7992
)
90cc 17.5
(
0.7
)
16.5
(
0.66
)
70cc 17.8
(
0.71
)
16.5
(
0.66
)
50cc-4T 18
(
0.72
)
17
(
0.68
)
Drive belt width
50cc-2T 18
(
0.72
)
17.5
(
0.7
)
90cc 4.5
(
0.18
)
2
(
0.08
)
70cc 4
(
0.16
)
2
(
0.08
)
50cc-4T 3
(
0.12
)
1
(
0.04
)
Clutch lining
thickness
50cc-2T 3.5
(
0.14
)
1
(
0.04
)
90cc 112～112.2
(
4.48～4.488
)
112.5
(
4.5
)
70cc 107～107.2
(
4.28～4.288
)
107.5
(
4.3
)
Clutch outer I.D.
50cc 107～107.2
(
4.28～4.288
)
107.5
(
4.3
)
90cc 145.5
(
5.82
)
137.5
(
5.5
)
70cc 97.2
(
3.888
)
92
(
3.68
)
50cc-4T 95
(
3.8
)
90
(
3.6
)
Driven face
spring free length
50cc-2T 98.1
(
3.924
)
92.8
(
3.712
)
Driven face O.D. 33.965～33.985
(
1.3586～1.3594
)
33.94
(
1.3576
)
Movable driven face I.D. 34～34.025
(
1.36～1.361
)
34.06
(
1.3624
)
Wei
g
ht roller O.D. 15.92～16.08
(
0.6368～0.6432
)
15.4
(
0.616
)

KYMCO Mongoose 50-4T Specifications

General

Brand	KYMCO
Model	Mongoose 50-4T
Category	Offroad Vehicle
Language	English