mxu 250 300 Workshop-manual : Page 6

          1. GENERAL INFORMATION                                                                                                              MXU 300/ 250


SPECIFICATIONS (MXU 300)
Model No.                           LA60                                            Air cleaner type & No                    Wet type element
Name & Type                         MXU 300                                                                                  12.5 L (2.63 lmp gal,




                                                              Fuel System
                                                                                    Fuel capacity
Overall length                      1810 mm (72.4 in)                                                                                 3.25 US gal




                                                                                     Carburetor
Overall width                       1030 mm (41.2 in)                                                 Type                   PTG
Overall height                      1100 mm (44 in)                                                   Main jet NO.           98
Wheel base                          1170 mm (46.8 in)                                                 Venturi dia.           22 mm (0.88 in)
Engine type                         O.H.C.                                                            Throttle type          PISTON




                                                             Electrical Equipment
                                    270 cm3 (16.2 cu-in)                                                                     Full transistor digital




                                                                                    Ignition System
Displacement                                                                                          Type
Fuel used                           92# nonleaded gasoline                                                                   ignition
               Front wheel           110 kg (242 lbs)                                                 Ignition timing        5°BTDC/1500 rpm
Dry weight Rear wheel                110 kg (242 lbs)                                                 Spark plug             DPR7EA-9
               Total                 220 kg (484 lbs)                                                                        0.60.7mm (0.002
                                                                                                      Spark plug gap
                                                                                                                                     0.003 in)
               Front wheel           115 kg (253 lbs)
Curb weight Rear wheel               110 kg (242 lbs)                               Battery                  Capacity        12V12AH
               Total                 225 kg (495 lbs)                                                                        Dry, centrifugal
                                                                                    Clutch type
                                                                                                                             automatic
               Front wheel           22*7-10
Tires                                                                               Clutch operation system                  Automatic (V-belt)
                                                             Drive Train




               Rear wheel            22*10-10
                                                                                                             Helical gear/spur
Ground clearance                     250 mm (10 in)                                 Primary reduction system gear/bevel gear
Min. turning radius                  2900 mm (116 in)                               Secondary reduction                      Driven mechanism
                                     Electric/Recoil                                system
         Starting system             starter
         Type                        Gasoline, 4-stroke                             High reduction ratio                     2.01
         Cylinder arrangement        Single cylinder                                Low reduction ratio                      3.84
         Combustion chamber type Semi-sphere                                        Reverse ratio                            3.23
         Valve arrangement           O.H.C., chain drive                            FR/RR tire rolling                       1756/1756 mm
                                                             Moving Device




                                     72.7 x 65.2 mm                                 circumference                            (70.24/70.24 in)
         Bore x stroke
                                     (2.9 x 2.608 in)                                                                Front   0.28 kg/cm (28
                                                                                    Tire pressure
         Compression ratio           10.3:1                                                                          Rear          Kpa, 3.2 psi)
         Compression pressure        16 kgf/cm                                                                       Left    40°
                                     (1600kPa, 227 psi)                             Turning angle
                                                                                                                     Right   40°
Engine




         Intake valve        Opens 5° BTDC
         (at 1mm lift)       Closes 41° ABDC                 Brake system type                                    Front      Disk brake
         Exhaust valve Opens 37° BBDC                                                                             Rear       Disk brake
         (at 1mm lift)       Closes 5° ATDC                                                                       Front      Double wishbone
                                                             Suspension type
         Valve clearance Intake 0.1 mm (0.004 in)                                                                 Rear       Link suspension
         (cold)              Exhaust 0.1 mm (0.004 in)       Frame type                                                      Double cradle
         Idle speed (rpm)            1600 rpm
                                     Forced pressure &
          Lubrication System




                Lubrication type     Wet sump
                Oil pump type        Trochoid
                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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