KEEWAY FACT 50 4T Maintenance Manual page 16

Tire
Size
Clutch
Transmission Variable speed
gear
gear
Transmission
Battery
capacity/type
Magnetor
capacity
Spark plug
Electric
devices
Spark plug
gap
Ignition
Model
Length mm
Width mm
Height mm
Wheelbase mm
Weight kg
Total 92
Front outer
120/70-12
tire
Front rim 3.50×12
Rear outer
130/70-12
tire
3.50×12
Rear rim
Dry centrifugal clutch
Stepless
Belt transmission
12V-4AH/ dry-
charged
89.6W/5000rpm
BR7ES（NGK）
0.6-0.8mm
CDI
Specification (FACT 50 4T45Km)
FACT 50 4T
1800
700
1150
1270
Forward
37
shaft
Performance
Braking
system
Engine type
Engine
displacement
16
Lubrication Splash lubrication
Air filter e9QJAF-B70
Capacity of
gasoline 6.0±0.2L
tank
Carburetor
PD19JB
type
Idle speed -
1800±100rpm/min
rpm
Max. torque 3.05N.m/3000rpm
Max. Hp 1.24kW/4000rpm
Compression
ratio
Max. speed 25km/h
Dia. of front
φ190mm
brake disc
(mm)
I.D. of rear
φ110mm
brake drum
(mm)
QJ137QMB
Unleaded
Fuel type
petrol（92/95）
No. of
cylinder
ID × stroke 37mm×46.5mm
Total
Startup Electric/kick
6.9：1
1
50cc