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1. GENERAL INFORMATION Mongoose/KXR 90/50
SPECIFICATIONS
(Mongoose/KXR50)
Name & Model No. LA10BA Air cleaner type & No Sponge
Fuel System
Motorcycle Name & Type Mongoose/KXR 50 Fuel capacity 5.5 liters
Overall length (mm) 1385 Type PB
Carburetor
Overall width (mm) 875 Main jet No. 82
Overall height (mm) 890 Venturi dia.(mm) 14
Wheel base (mm) 900 Throttle type PISTON
Engine type 2-stroke. Type CDI
Ignition System
Electrical Equipment
Displacement (cc) 49.4 Ignition timing 15°BTDC/1700rpm
Fuel Used 92# nonleaded gasoline Contact breaker Non-contact point type
Front wheel 49.6 Spark plug NGK BR8HAS
Net weight (kg) Rear wheel 50.7
Total 100.3 Spark plug gap 0.60.7mm
Front wheel 54.6 Battery Capacity 12V4AH
Gross weight(kg) Rear wheel 55.7 Clutch Type CVT
Power Drive System
sion Gear
Transmis-
Total 110.3 Type Helical gear
Tires Front wheel 16*8-7 Operation Automatic centrifugal
Rear wheel 16*8-7 Type
Ground clearance (mm) 72 Type V-Belt
Breaking distance
Gear
Reduction
20.6 below Primary
(m)(ANSI) 0.895~3.113
reduction
Starting system Motor & Kick starter Final
Type Gasoline, 2-stroke reduction 11.05
Cylinder arrangement Single cylinder FR/RR tire rolling
1247/1247
Moving Device
Combustion chamber type Semi-sphere circumference(mm)
Valve arrangement Reed valve & piston Tire pressure Front 0.25
Bore x stroke (mm) 39X41.4 (kg/cm) Rear 0.25
Compression ratio 7.2:1 Turning Left 35°
Compression pressure angle
(kg/cm) 12.0 Right 35°
Max. output (ps/rpm) 4.6/6000 Brake system Rear Drum brake
Engine
Max. torque (kg m/rpm) 0.55/5500 type Front Drum brake
Intake Open Automatic controlled Swing axle
Device
Damping
Front
Port (1mm) Close Automatic controlled Suspension
timing Exhaust Open type Rear Swing arm
(1mm) Close
Valve clearance Intake Frame type Steel tube frame
(cold) (mm) Exhaust
Idle speed (rpm) 2000rpm
Lubrication type Separate type
Oil pump type Plunger type
Oil filter type Full-flow filtration
Cooling Type Air cooling
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