YG125-25 Maintenance Manual Overview
D
ri
vi
n
g
sy
st
em
Clutch
Clutch operating system
Variable speed gear
Primary reduction ratio
Transmission gear ratio
Final reduction ratio
Gear shifting mode
Wet clutch, coil clutch, paper friction wafer
Manual mechanical
5-speed constant mesh
4.056
Ⅰ
2.769
Ⅱ
1.882
Ⅲ
1.4
Ⅳ
1.13
Ⅴ
0.96
2.8
Left foot operated to and back type
Sequence: I
-
N
-Ⅱ-Ⅲ-Ⅳ-
V
E
n
g
in
e
Mode
Cylinder bore × Stroke
Cylinder displacement
Compression ratio
Max. power
Max. torque
Valve clearance (cold)
Valve driving gear
Air filter
Cooling method
Lubrication method
Engine oil grade
Engine oil charge volume
Engine oil filter element
Idle speed
Single-cylinder force air –cooling 4-stroke engine
56.5mm
×
49.5mm
125cc
8.8:1
7.5kw/9000rpm
8.6N.m/7500rpm
IN:
0.06-0.08
EX:
0.06-0.08
Chain drive
Foam filter
force air -cooling
Please apply Shell 10W/40-SF engine oil
1L
Oilpaper filter
Electric / foot start
1500±150r/min
9
Summary of Contents for YG125-25
Page 98: ...YG125 25 Maintenance Manual Frame and exhaust system 10 Frame and exhaust system 102...
Page 130: ...YG125 25 Maintenance Manual Illumination signal system Circuit schematic drawing 134...
Page 144: ...YG125 25 Maintenance Manual Electrical System Diagram 19 Electrical System Diagram 148...