1. GENERAL INFORMATION ATV 50 Model No. LB10 Air cleaner type Sponge Fuel System Fuel capacity 8.1 liters Name MXU 50 Carburetor Type PB Overall length 1775 mm (71 in) Main jet No. 80 Overall width 950 mm (38 in) Venturi dia 14 mm (0.56 in) Throttle type Valve piston Overall height 1040 mm (41.6 in) Type CDI Ignition System Electrical Equipment Wheel base 1120 mm (44.8 in) Engine type Air cooled 2-stroke Ignition timing 22°/2000 rpm Displacement 49.4 cm3 (2.964 cu-in) Spark plug NGK-BR8HAS 92# nonleaded Fuel Used Spark plug gap 0.60.7mm gasoline Front wheel 87 kg (191.4 lbs) Battery Capacity 12V8AH Dry weight Rear wheel 89 kg (195.8 lbs) Clutch Type CVT Total 176 kg (387.2 lbs) Power Drive System Operation Automatic centrifugal Front wheel 92 kg (202.4 lbs) Type Curb weight Rear wheel 94 kg (206.8 lbs) Type Chain drive Total 186 kg (409.2 lbs) Gear Reduction Front wheel 21*7-10 Reduction 1st Tires Rear wheel 22*10-10 ratio 2nd Ground clearance 165 mm (6.6 in) Final gear ratio 23.678 Min. turning radius 2900 mm (116 in) Starting motor & Front Caster angle Starting system Moving Device kick starter Axle Trail length Type Air cooled 2-stroke Front 0.28 kgf/cm2 (28 kPa, 4 Cylinder arrangement Single cylinder psi) Tire pressure Combustion chamber type Semi-sphere Rear 0.28 kgf/cm2 (28 kPa, 4 Valve arrangement Reed valve & piston psi) 39 x 41.4 mm Turning Left 40° Bore x stroke Engine (1.56 x 1.656 in) angle Right 40° Compression ratio 7.2:1 Brake system Rear Disk brake 12 kgf/cm2 (1200 kPa, type Front Drum brake Compression pressure 170.4 psi) Suspension Front Swing Device Damping Open Intake Automatic controlled type Rear Swing arm Port Close Shock Front Swing timing Open Exhaust Automatic controlled type b b Rear Swing arm Close Intake Frame type SP pipe Valve clearance Exhaust Idle speed (rpm) 1800 Lubrication type Separate type Oil pump type Plunger type Oil filter type Full-flow filtration 1-3