KYMCO DINK50 - Page 13

1. GENERAL INFORMATION
1-11
SERVICE INFORMATION
ENGINE
Standard (mm)
Service Limit (mm)
Item
SH10BA
SH10AA
SH10BA
SH10AA
Cylinder head warpage


0.10
0.10
Piston O.D.(5mm from bottom of piston
skirt)
38.970_ 38.9
55
38.970_ 38.9
55
38.90
38.90
Cylinder-to- piston clearance
0.03_ 0.07
0.10
0.10
Piston pin hole I.D.
12.002_ 12.0
08
12.002_ 12.0
08
12.03
12.03
Piston pin O.D.
11.994_ 12.0
11.994_ 12.0
11.98
11.98
Piston-to-piston pin clearance
0.002_ 0.014
←
0.03
←
Piston ring end gap (top/second)
0.10_ 0.25
0.10_ 0.25
0.40
0.40
Connecting rod small end I.D.
17.005_ 17.0
17
17.005_ 17.0
17
17.03
17.03
Cylinder bore
39.0_ 39.025
39.0_ 39.025
39.05
39.05
Drive belt width
18
18
17
17
Drive pulley collar O.D.
20.01_ 20.02
5
20.01_ 20.02
5
19.97
19.97
Movable drive face ID.
20.035_ 20.0
85
20.035_ 20.0
85
20.21
20.21
Weight roller O.D.
13.0
13.0
12.4
12.4
Clutch outer I.D.
107_ 107.2
107_ 107.2
107.5
107.5
Driven face spring free length
87.9
87.9
82.6
82.6
Driven face O.D.
33.965_ 33.9
85
←
33.94
←
Movable driven face I.D.
34.0_ 34.025
←
34.06
←
Connecting rod big end side clearance

←
0.60
←
Connecting rod big end radial clearance

←
0.04
←
Crankshaft runout A/B


L:0.15 R:0.10
←
CARBURETOR
SH10BA
SH10AA
Venturi dia.
14mm
14mm
Identification number
PB058
PB058
Float level
8.6mm
8.6mm
Main jet
#85
#85
Slow jet
#35
#35
Air screw opening
1_ ± _
1_ ± _
Idle speed
2000± 100rpm
2000±100rpm
Throttle grip free play
2_ 6mm
2_ 6mm
Jet needle clip notch
1
st
notch
1
st
notch
A
A
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