vitality 50 2t 4t Workshop-manual : Page 3

          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




1-1