KYMCO ZX/SCOUT 50, Service Manual

Page: 3 / 191

1.
SPECIFICATIONS
1-1
ZX 50
SPECIFICATIONS
Name & Model SC10AS
Overall length (mm) 1792
Overall width (mm) 690
Overall height (mm) 1053
Wheel base (mm) 1225
Engine type Air cooled 2-stroke
Displacement (cc) 49.4 cc
Net weight (kg)
92.5
Seating capacity 2 riders (110kg)
Gross weight
(kg)
150
Front wheel
120/70-12
Tires
Rear wheel
120/70-12
Ground clearance (mm) 170
Braking distance (m)
(Initial speed Km/h)
7m (30km/h)
Min. turning radius (mm) 1940
Starting system
Starting motor &
kick starter
Fuel type
Gasoline, 2-stroke
motor oil
Cylinder arrangement Single cylinder, flat
Combustion chamber type Semi-sphere
Valve arrangement Reed valve & piston
Bore x stroke (mm) 39 x 41.4
Compression ratio 7.3 : 1
Compression pressure
(kg/cm
²
rpm)
11.5kg/cm
²
Max. output (kw/rpm) 3.75/7000kw/rpm
Max. torque (kg-m/rpm) 4.5/6500 kg m/rpm
Open
Automatic controlled
Intake
Close Automatic controlled
Port Open
⎯
timing
Exhaust
Close
⎯
Open
⎯
Scavenge
Close
⎯
Idle speed (rpm)
2100
±
100
Lubrication type Separate type
Oil pump type
Plunger type
Oil filter type
Full-flow filtration
Lubrication oil capacity (liter) 0.80
Air cleaner type & No. Wet, single
Fuel capacity (liter) 4.9
Type Plunger type
Carburetor Piston dia. (mm)
⎯
Venturi dia.
(mm)
14
Ignition system type
CDI electromagnetic
Ignition
Ignition timing F mark
15.5
°±
2
°
BTDC/2000rpm
Spark
NGK BR8HSA
plug
ND
¯
Spark plug gap (mm) 0.6 0.7
Battery capacity 12V3AH
Power to transmission gear
Power
-
transmission
gear
-
clutch
Reduction ratio of power to
transmission
⎯
Clutch type Dry multi-disc clutch
Transmission gear operation
type
Automatic centrifugal
type
Transmission ratio 1 speed
⎯
Reduction Type Two-stage reduction
gear 1st reduction ratio
⎯
2nd reduction ratio
⎯
Transmission gear type
Non-stage transmission
Tire pressure
Front wheel 1.50 1.75
(kg/cm
²
)
Rear wheel 1.75 2.25
Turning angle Right & left 45
°
Brake system
Front wheel Expanding/hydraulic
type
Rear wheel Expanding
Suspension
Front wheel Telescope
type
Rear wheel Unit swing
Shock absorber
Front wheel Telescope
type
Rear wheel Unit swing
Frame type Pipe under bone
CO 4.5% Exhaust
emission
concentration
HC 7000ppm Max