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 1-3