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1. SPECIFICATIONS VITALITY 50
SPECIFICATIONS
(2-Stroke)
Name & Model SF10FA Lubrication oil capacity (liter) 1.3
Overall length (mm) 1870 Air cleaner type & No. Wet, single
Overall width (mm) 700 Fuel capacity (liter) 5.0
Overall height (mm) 1120 Type PB
Wheel base (mm) 1296 Carburetor Piston dia. (mm)
Engine type Air cooled 2-stroke Venturi dia. (mm) 14
Displacement (cc) 49.4 cc Ignition system type CDI electromagnetic
Net weight (kg) 97 Ignition
Seating capacity 1 riders (75kg) Ignition timing F mark 13.5°2°/3000rpm
Gross weight(kg) 173 (1 rider) NGK BR8HSA
Spark plug
Front wheel 120/70-12 ND
Tires
Rear wheel 130/70-12 Spark plug gap (mm) 0.60.7
Ground clearance (mm) 150 Battery capacity 12V3AH
Braking distance (m) 4.4m (30km/h) Power to transmission gear Power-transmission
(Initial speed Km/h)
gear-clutch
Min. turning radius (mm) 1920
Reduction ratio of power to
Starting system Starting motor &
transmission
Kick starter
Fuel type #92 or higher Clutch type Dry multi-disc clutch
unleaded gosoline Transmission gear operation Automatic centrifugal
Cylinder arrangement Single cylinder, flat type type
Combustion chamber type Semi-sphere Transmission ratio 1 speed
Valve arrangement Reed valve & piston Reduction Type Two-stage reduction
Bore x stroke (mm) 39 x 41.4 gear 1st reduction ratio
Compression ratio 7.2 : 1 2nd reduction ratio
Compression pressure 11.8kg/cm Transmission gear type Non-stage transmission
(kg/cm rpm)
Tire pressure 1.50/2.0 (1 rider)
4.5/6000 Front/Rear
(kg/cm) 1
1.75/2.25 (2 rider)
Max. horsepower (ps/rpm) (Speed limited wheel
type:3.9/6000) Turning angle Right & left 45°
0.5/6000 Brake system Front wheel hydraulic
Max. torque (kg-m/rpm) (Speed limited
type:0.48/6000) type Rear wheel Expanding
Open Automatic controlled Suspension Front wheel Telescope
Intake type Rear wheel Unit swing
Close Automatic controlled
Port Open Shock absorber Front wheel Telescope
Exhaust
timing Close type Rear wheel Unit swing
Open Frame type Pipe under bone
Scavenge
Close MASS CO 1.0 g/km
Exhaust
Idle speed (rpm) 2000100
emission MASS
Lubrication type Separate type 1.2 g/km
concentration HC+NOX
Oil pump type Plunger type
Oil filter type Full-flow filtration
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