Small sprocket 50cc

MODEL

ST125-8A Euro4

ENGINE

ENGINE TYPE

Single cylinder, 4 stroke, Air-Cooled, 2 valve, Horizontal, SOHC

BORE*STROKE mm

Ø52.4×57

DISPLACEMENT ml

124,0 

COMPRESSION RATIO

9.5:1

MAXIMUM POWER KW/(r/min)

5.8/7300

MAXIMUM TORQUE Nm/(r/min)

8.8/5000

 MAXIMUM SPEED km/h

90

ECONOMIC FUEL CONSUMPTION

l/100km

2,1

MINIMUM UNLOADED STABLE SPEED r/min

1400±100

IGNITION TYPE

ECU

STARTER SYSTEM

Kick&Electric

LUBRICATION SYSTEM

Pressure and splash lubrication

EFI TYPE

Single point injection + closed loop control

OBD INTERFACE

16-pin

CLUTCH 

Wet, multiple disc(manual clutch)

TRANSMISSION 

International 4 speed

SPARK PLUG

NGK/CR6HSA

CHASSIS

RIM 

10″ mag alloy rim

RIM SIZE F&R

F:2.5*10  R:2.5*10（10″）

FRONT TIRE

3.5-10 / 100/90-10

REAR TIRE

3.5-10 / 100/90-10

BRAKE SYSTEM

Front and rear disc brakes(CBS)

FRONT SUSPENSION SYSTEM

Telescopic Forks

REAR SUSPENSION SYSTEM

Spring & Oil 

FUEL LEVEL GAUGE

MAGNETIC INDUCTION

DIMENSIONS

LENGTH x WIDTH x HEIGHT mm 

1400×660×900

WHEELBASE mm

970

MIN. GROUND CLEARANCE mm

185

HANDLEBAR HEIGHT mm

890

SEAT HEIGHT R mm

R:780

NET WEIGHT kg

81

FUAL TANK CAPACITY L

8,5