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1. GENERAL INFORMATION ATV 300/250
SPECIFICATIONS (MAXXER 250/MONGOOSE 250)
Model No. LA50 Air cleaner type & No Sponge
MXER 250R 13 L (2.73 lmp gal,
ATV Name & Type Fuel capacity
Fuel System
MAXXER 250 3.38 US gal)
Overall length 1705 mm (68.2 in) Type PTG
Carburetor
Overall width 1020 mm (40.1 in) Main jet NO. 98
Overall height 1110 mm (43.3 in) Venturi dia. 22 mm (0.88 in)
Wheel base 1175 mm (46.2 in) Throttle type PISTON
Engine type O.H.C. Full transistor
Electrical Equipment
Ignition System
Type
Displacement 249 cm3 (15.2 cu-in) digital ignition
92# nonleaded Ignition timing 5°BTDC/1000 rpm
Fuel Used
gasoline Spark plug DPR7EA-9
Front wheel 93.1 kg (204.8 lbs)
Dry weight Rear wheel 84.9 kg (186.8 lbs) Spark plug gap
0.60.7 mm
Total 178 kg (391.6 lbs) (0.0020.003 in)
Front wheel 100 kg (220 lbs) Battery Capacity 12V12AH
Gross weight Rear wheel 91 kg (200.2 lbs) Dry, centrifugal
Clutch Type
automatic
Total 191 kg (420.2 lbs)
Drive System
Front wheel 21*7-10 Clutch operation system Automatic (V-belt)
Tires Helical gear/spur
Rear wheel 20*11-9 Primary reduction system gear
Ground clearance 130 mm (5.1 in)
Secondary reduction system Chain drive
Starting system Starting motor
Primary reduction ratio 26.5
Type Gasoline, 4-stroke
Secondary reduction ratio 10.02
Cylinder arrangement Single cylinder
Reverse ratio 50.9
Combustion chamber type Semi-sphere
Valve arrangement O.H.C., chain drive FR/RR tire rolling 1675/1596 mm
Moving Device
circumference 67/63.8 in)
72.7 x 60 mm
Bore x stroke
(2.9 x 2.4 in) Front 0.28 kgf/cm2 (28
Tire pressure
Compression ratio 10.3:1 Rear kPa, 3.2 psi)
15 kgf/cm2 (1500 kPa, Turning Left 40°
Compression pressure
213 psi) angle Right 40°
Open 8.1° BTDC Rear Disk brake
Intake valve Brake system type
Close 41° ABDC Front Disk brake
Engine
Open 37° BBDC
Exhaust valve Front Double wishbone
Close 7.9° ATDC
Suspension type
Valve clearance Intake 0.1 mm (0.004 in)
(cold) Rear Link suspension
Exhaust 0.1 mm (0.004 in)
Idle speed 1500 rpm Frame type Steel tube frame
Lubrication type Forced pressure &
Lubrication System
Wet sump
Oil pump type Inner/outer rotor type
Oil filter type Full-flow filtration
1.6 L (1.4 lmp qt, 1.7
Oil capacity
US qt)
Oil exchanging 1.4 L (1.23 lmp qt,
capacity 1.48 US qt)
Cooling Type Liquid cooling
1-2