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

          1. SPECIFICATIONS                                                                                                                       VITALITY 50


SPECIFICATIONS
(4-Stroke)
Name & Model No.                       SG10AA                                                      Air cleaner type & No        Wet paper




                                                          Fuel System
Overall length (mm)                       1870                                                     Fuel capacity                5.0 liters
Overall width (mm)                         700




                                                                                                   Carburetor
                                                                                                        Type                      CVK
Overall height (mm)                       1120                                                          Main jet No.     #82 (speed limited: #80)
Wheel base (mm)                           1296                                                          Venturi dia.(mm)           17
Engine type                              O.H.C.                                                         Throttle type           PISTON
Displacement (cc)                         49.5                                                          Type                      CDI




                                                                                                     Ignition System
                                                           Electrical Equipment
Fuel Used                       92# nonleaded gasoline                                                  Ignition timing    28°BTDC/4000rpm
Dry weight (kg)                             91                                                          Contact breaker   Non-contact point type
Seating capacity                    1 riders (75kg)
Net weight(kg)                             97                                                                          Spark plug          NGK C7HSA

 Tires              Front wheel     120/70-12 56J                                                       Spark plug gap                     0.60.7mm
                     Rear wheel     130/70-12 59J                                                  Battery Capacity                          12V4AH
Ground clearance (mm)                      150                                                     Clutch Type                                 CVT
                                                                              Power Drive System




Breaking distance
                                                                                                     sion Gear
                                                                                                     Transmis-



(m)(30KPH)                             4.4 below                                                                       Type                 Helical gear

     Starting system            Motor & Kick starter                                                                   Operation      Automatic centrifugal
                                                                                                                                               Type
     Type                         Gasoline, 4-stroke
                                                                                                          Type                                V-Belt
     Cylinder arrangement          Single cylinder
                                                                                                    Gear
                                                                                                    Reduction




                                                                                                          Primary
     Combustion chamber type         Semi-sphere                                                                                             0.75~2.47
                                                                                                          reduction
     Valve arrangement           O.H.C., chain drive                                                      Final
     Bore x stroke (mm)                 39X41.4                                                           reduction                            13.61
     Compression ratio                   10.5:1                                                    FR/RR tire rolling
                                                             Moving Device




     Compression pressure                                                                          circumference(mm)                         1485/1515
                                          14.0
     Max. horsepower              3.8/8000 (ps/rpm)                                                Tire pressure              Front            1.5
Engine




     Max. torque (kg m/rpm)            0.35/7000                                                   (kgf/cm)                   Rear             2.0
                         Open               3°                                                     Turning                    Left             45°
             Intake
     Port                Close             11°                                                     angle                      Right            45°
     timing              Open              -9°
             Exhaust                                     Brake system                                                         Front         Disk brake
                         Close             19°           type                                                                 Rear          Drum brake
     Valve clearance Intake               0.04
                                                         Device
                                                         Damping




     (cold) (mm)        Exhaust           0.04                                                                                Front          Telescope
                                                                                                   Suspension
     Idle speed (rpm)                  1800rpm
                                                                                                   type                       Rear         Under-swing
             Lubrication type     Forced pressure &
         System
         Lubrication




                                       Wet sump
                                                         Frame type                                                                         Under bone
             Oil pump type      Inner/outer rotor type
             Oil filter type     Full-flow filtration
             Oil capacity              0.85 liter
             Oil exchanging
                                        0.7 liter
             capacity
     Cooling Type                     Air cooling



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