um CBF 125 User Manual

CBF 150 AIR COOLING ENGINE SERVICE MANUAL
RENEGADE SPORT & SCRAMBLER X 125 EFI
3
MAIN TECHNICAL PARAMETERS
Item
Specification
Engine
Model number
CBF 125
Type
Single-cylinder, air -cooling, four-
stroke, camshaft upward
upward
Bore X stroke
Φ52.4×57.8mm
Piston Displacement
124.6 C.C.
Compression ratio
9.2： 1
Valve
Timing
In
Open
（ 5°BTDC ）
Close
（ 37°ABDC ）
Out
Open
（ 50°BBDC ）
Close
（ 3°ATDC ）
Max. power
7.2 (1 ±5%)kW/7500(1 ±5%)rpm
Max. torque
9.2 (1 ±5%)N.m. /6000(1 ±5%)rpm
Idle speed
1400±100 r /min
Transmission
System
Clutch
Manual wet multi-plate
Transmission
Constant mesh, two-stage transmission,
5-speed gearshift
Gearshift method
1-N-2-3-4-5
Primary reduction ratio
3.35 （ 67/20 ）
Gear ratio
1
st
3.077 （ 40/13 ）
2
nd
1.789(34/19)
3
rd
1.304(30/23)
4
th
1.091(24/22)
5
th
0.929(26/28)

um CBF 125 Specifications

General

Brand	um
Model	CBF 125
Category	Engine
Language	English