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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