kxr 50 90 Manuel atelier : Page 6

          1. GENERAL INFORMATION                                                                                                           Mongoose/KXR 90/50



SPECIFICATIONS
(Mongoose/KXR50)
Name & Model No.                     LA10BA                                                          Air cleaner type & No                      Sponge




                                                            Fuel System
Motorcycle Name & Type            Mongoose/KXR 50                                                    Fuel capacity                             5.5 liters
Overall length (mm)                    1385                                                               Type                                    PB




                                                                                                     Carburetor
Overall width (mm)                      875                                                               Main jet No.                            82
Overall height (mm)                     890                                                               Venturi dia.(mm)                       14
Wheel base (mm)                         900                                                               Throttle type                        PISTON
Engine type                           2-stroke.                                                           Type                                   CDI




                                                                                                       Ignition System
                                                             Electrical Equipment
Displacement (cc)                       49.4                                                              Ignition timing                 15°BTDC/1700rpm
Fuel Used                         92# nonleaded gasoline                                                  Contact breaker                Non-contact point type
                    Front wheel           49.6                                                                           Spark plug         NGK BR8HAS
Net weight (kg) Rear wheel                 50.7
                       Total              100.3                                                           Spark plug gap                     0.60.7mm
                    Front wheel           54.6                                                       Battery Capacity                          12V4AH
Gross weight(kg) Rear wheel                55.7                                                      Clutch Type                                 CVT
                                                                                Power Drive System

                                                                                                       sion Gear
                                                                                                       Transmis-
                       Total              110.3                                                                          Type                 Helical gear
 Tires              Front wheel          16*8-7                                                                          Operation      Automatic centrifugal
                     Rear wheel          16*8-7                                                                                                  Type
Ground clearance (mm)                       72                                                              Type                                V-Belt
       Breaking distance
                                                                                                     Gear
                                                                                                     Reduction




                                       20.6 below                                                           Primary
          (m)(ANSI)                                                                                                                          0.895~3.113
                                                                                                            reduction
     Starting system              Motor & Kick starter                                                      Final
     Type                          Gasoline, 2-stroke                                                       reduction                            11.05
     Cylinder arrangement           Single cylinder                                                  FR/RR tire rolling
                                                                                                                                               1247/1247
                                                              Moving Device




     Combustion chamber type         Semi-sphere                                                     circumference(mm)
     Valve arrangement            Reed valve & piston                                                Tire pressure              Front            0.25
     Bore x stroke (mm)                39X41.4                                                       (kg/cm)                    Rear             0.25
     Compression ratio                   7.2:1                                                       Turning                    Left             35°
     Compression pressure                                                                            angle
     (kg/cm)                              12.0                                                                                  Right            35°
     Max. output (ps/rpm)               4.6/6000           Brake system                                                         Rear          Drum brake
Engine




     Max. torque (kg m/rpm)            0.55/5500           type                                                                 Front         Drum brake
             Intake     Open      Automatic controlled                                                                                        Swing axle
                                                           Device
                                                           Damping




                                                                                                                                Front
     Port    (1mm)      Close     Automatic controlled                                               Suspension
     timing Exhaust Open                                                                             type                       Rear          Swing arm
             (1mm)      Close               
     Valve clearance Intake                                Frame type                                                                       Steel tube frame
     (cold) (mm)       Exhaust              
     Idle speed (rpm)                   2000rpm
     Lubrication type                Separate type
     Oil pump type                    Plunger type
     Oil filter type               Full-flow filtration
     Cooling Type                     Air cooling



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