1. GENERAL INFORMATION MXU 500 IRS
SPECIFICATIONS
Model No. LAA0CA/LAA0CD Lubrication type Forced pressure &
Wet sump
Name & Type MXU 500 IRS
Lubrication System
Oil pump type Trochoid
Overall length 2203 mm
Oil filter type Full-flow filtration
Overall width 1223 mm 3.6 L
Overall height 1243 mm Oil capacity
3.0 L
Wheel base 1297 mm Oil exchanging capacity
Engine type D.O.H.C.
Displacement 498.5 CC
Air cleaner type & No Wet type element
Fuel used 17 L
Fuel System
92# nonleaded gasoline Fuel capacity
Front wheel 162 kg Type KYMCO CVK
Dry weight Rear wheel 155kg Main ON ROAD #128
Carburetor Ignition System
Total 317kg /318kg jet OFF ROAD #126
Front wheel 170 kg VENTURE DIA 38mm
Curb weight Rear wheel 164 kg
Total 334kg /335kg Full transistor digital
Electrical Equipment
Front wheel 25X8R-12 Type
Tires ignition
Rear wheel 25X10R-12 Ignition timing 5°/1500 rpm
Ground clearance 241 mm Spark plug CR7E (NGK)
Min. turning radius 0.60.7mm
Spark plug gap
Electric/Recoil
Starting system starter Battery Capacity 12V18AH
Type Gasoline, 4-stroke Wet, centrifugal
Cylinder arrangement Single cylinder Clutch type
automatic
Combustion chamber type Semi-sphere Clutch operation system Automatic (V-belt)
Drive Train
Valve arrangement DOHC.,chain drive Primary reduction system V-belt
92X75 mm Secondary reduction
Bore x stroke Shaft drive
Compression ratio 10.5:1 system
15 kg/cm Forward drive high radio 8.770~30.067
Compression pressure
Forward drive low radio 16.279~55.814
Intake valve Opens 5° BTDC
Reverse drive ratio 13.381~45.878
Engine
(at 1mm lift) Closes 45° ABDC
FR/RR tire rolling 1995/1995 mm
Exhaust valve Opens 45° BBDC
Moving Device
circumference
(at 1mm lift) Closes 5° ATDC
Tire pressure Front 0.35 kgf/cm
Valve clearance Intake 0.1 mm
(35 Kpa, 5.0 psi)
(cold) Exhaust 0.1 mm
Rear 0.32 kgf/cm
Idle speed (rpm) 1500 100rpm (32Kpa, 4.5psi)
Cooling type Liquid cooled Turning angle Left 41°
Right 41°
Brake system type Front Disk brake
Rear Disk brake
Front Dual A-Arm
Suspension type
Rear Dual A-Arm
1-2