mxu 300 r Manuale-dofficina : Pagina 5

          1. GENERAL INFORMATION                                                                                                           MXU 250R/300R



SPECIFICATIONS (MXU 250R)
Model No.                                   LG50AD                                      Air cleaner type & No                     Wet type element




                                                                Fuel System
Name & Type                                MXU 250R                                                                              12.5 L (2.63 lmp
                                                                                        Fuel capacity
Overall length                          1980 mm (79.2 in)                                                                        gal, 3.25 US gal




                                                                                        Carburetor
Overall width                           1110 mm (44.4 in)                                                   Type                          PD
Overall height                          1100 mm (44.0 in)                                                   Main jet NO.                   98
Wheel base                              1200 mm (48.0 in)                                                   Venturi dia.         22 mm (0.88 in)
Engine type                                  O.H.C.                                                         Throttle type              PISTON
Displacement                           249 cm3 (15.2 cu-in)                                                                         Full transistor




                                                                                          Ignition System
                                                                 Electrical Equipment
                                                                                                            Type
Fuel Used                             92# nonleaded gasoline                                                                        digital ignition
                        Front wheel     117 kg (257.4 lbs)                                                  Ignition timing       5°BTDC/1000rpm
Dry weight              Rear wheel       105 kg (231 lbs)                                                   Spark plug               DPR7EA-9
                           Total        222 kg (488.4 lbs)
                        Front wheel     124 kg (272.8 lbs)                                                  Spark plug gap       0.60.7mm (0.002
                                                                                                                                 0.003 in)
Curb weight             Rear wheel      112 kg (246.4 lbs)
                                                                                        Battery Capacity                             12V14AH
                           Total        236 kg (519.2 lbs)
                                                                                                                                   Dry, centrifugal
Tires                   Front wheel          22*7-10                                    Clutch type
                                                                                                                                     automatic
                        Rear wheel           22*10-10
                                                                                        Clutch operation system                   Automatic (V-belt)
Ground clearance                         240 mm (9.6 in)
                                                                 Drive Train




                                                                                                                                  Helical gear/spur
Min. turning radius                     2900 mm (116 in)                                Primary reduction system                        gear
          Starting system             Electric/Recoil starter
                                                                                        Secondary reduction system                   Chain drive
          Type                        Gasoline, 4-stroke
                                                                                        Forward drive high ratio                    10.01~26.53
          Cylinder arrangement          Single cylinder
                                                                                        Reverse ratio                               19.21~50.92
          Combustion chamber type        Semi-sphere
          Valve arrangement          O.H.C., chain drive
          Bore x stroke                 72.7 x 60 mm                                    FR/RR tire rolling                       1733(K)/1767(M)-FR
                                                                  Moving Device




                                         (2.9 x 2.4 in)                                 circumference                            1743(K)/1796(M)-RR
          Compression ratio                  10.3:1                                                                      Front
                                    15 kgf/cm (1500kPa,                                 Tire pressure                              0.28 kg/cm (28
          Compression pressure                                                                                           Rear       Kpa, 3.2 psi)
                                            213 psi)                                    (Rider only)
          Intake valve       Open          5° BTDC
 Engine




                                                                                        Turning                          Left           36°
          (at 1 mm lift)     Close        41° ABDC                                      angle                            Right          36°
          Exhaust valve Open              37° BBDC
                                                                Brake system type                                        Front       Disk brake
          (at 1 mm lift)     Close         5° ATDC                                                                       Rear        Disk brake
          Valve clearance Intake      0.1 mm (0.004 in)
          (cold)            Exhaust   0.1 mm (0.004 in)                                                                  Front     Double A-Arm
                                                                Suspension type
          Idle speed (rpm)                 1500 rpm
                                      Forced pressure &                                                                  Rear        Swing Arm
                 Lubrication type
          System
          Lubrication




                                          Wet sump
                 Oil pump type             Trochoid             Frame type                                                         Double cradle
                 Oil filter type      Full-flow filtration
                 Oil capacity       1.6 L (1.4 lmp qt, 1.7
                                    Us qt)
                 Oil exchanging     1.4 L (1.23 lmp qt,
                 capacity           1.48 Us qt)
          Cooling Type                  Liquid cooled


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