mxu 300 r Manuale-dofficina : Pagina 6

          1. GENERAL INFORMATION                                                                                                        MXU 250R/300R

SPECIFICATIONS (MXU 300R)
Model No.                                 LC60AD                                     Air cleaner type & No                    Wet type element
Name & Type                              MXU 300R                                                                              12.5 L (2.63 lmp gal,




                                                               Fuel System
                                                                                     Fuel capacity
Overall length                        1980 mm (79.2 in)                                                                             3.25 US gal




                                                                                      Carburetor
Overall width                         1110 mm (44.4 in)                                                Type                            CVK
Overall height                        1100 mm (44.0 in)                                                Main jet NO.                     112
Wheel base                            1200 mm (48.0 in)                                                Venturi dia.             31 mm (1.24 in)
Engine type                                O.H.C.                                                      Throttle type               Valve Piston




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




                                                                                     Ignition System
Displacement                                                                                           Type
Fuel used                            92# nonleaded gasoline                                                                   ignition
               Front wheel            117 kg (257.4 lbs)                                               Ignition timing          5°BTDC/1500 rpm
Dry weight Rear wheel                  105 kg (231 lbs)                                                Spark plug                   DPR7EA-9
               Total                  222 kg (488.4 lbs)                                                                      0.60.7mm (0.002
                                                                                                       Spark plug gap
                                       125 kg (275 lbs)                                                                                0.003 in)
               Front wheel
Curb weight Rear wheel                112 kg (246.4 lbs)                             Battery                  Capacity             12V14AH
               Total                  236 kg (519.2 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                       240 mm (9.6 in)                               Primary reduction system                   gear/bevel gear
Min. turning radius                   3200 mm (128 in)                               Secondary reduction
                                        Electric/Recoil                                                                        Driven mechanism
         Starting system                                                             system
                                              starter
         Type                         Gasoline, 4-stroke                             Forward Drive High Ratio       9.21 ~ 24.42
         Cylinder arrangement           Single cylinder                              Forward Drive Low Ratio       17.54 ~ 46.50
         Combustion chamber type          Semi-sphere                                Backward Drive Ratio          14.64 ~ 38.80
         Valve arrangement           O.H.C., chain drive                             FR/RR tire rolling         1733(K)/1767(M)-FR
                                                              Moving Device




                                        72.7 x 65.2 mm                               circumference              1743(K)/1796(M)-RR
         Bore x stroke
                                         (2.9 x 2.6 in)
                                                                                     Tire pressure (Rider Front   0.28 kg/cm (28
         Compression ratio                     11:1                                                       Rear     Kpa, 3.2 psi)
                                                                                     only)
         Compression pressure        16 kgf/cm
                                     (1600kPa, 227 psi)                              Turning angle                    Left           36°
                                                                                                                      Right          36°
Engine




         Intake valve        Opens          9° BTDC
         (at 1mm lift)       Closes        40° ABDC           Brake system type                                    Front          Disk brake
         Exhaust valve Opens               42° BBDC                                                                Rear           Disk brake
         (at 1mm lift)       Closes         7° ATDC                                                                Front         Double A-Arm
                                                              Suspension type
         Valve clearance Intake       0.1 mm (0.004 in)                                                            Rear           Swing Arm
         (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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