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General

NameAprilia RS4 125Roadmaster Rex-
ModelRS4 125Rex-
Price TK. 5,75,000Tk. 70,900-

Engine and Transmission

Engine TypeLiquid-Cooled, Aprilia single-cylinder, four stroke, fuel injectionSingle cylinder,Air-Cooled,4-Stroke-
Displacement125 CC80 cc-
Max Power14.8 BHP @ 10500 rpm6.0 bhp @ 8000 rpm-
Max Torque10.9 NM @ 8250 rpmNo-
Cooling SystemLiquid CooledAir Cooled-
Fuel TypePetrol--
Fuel SupplyFuel InjectionCarburetor-
ClutchMultiple discs, in oil bathWet multi-disc clutch-
IgnitionElectric with CDI capacity discharge--
Number of Gears6--
Fuel Tank Capacity14.4 Liters--
Reserve Fuel Capacity3.3 litres--
Mileage35 KM/L (Approx)--
Valve Per Cylinder-2-Valve-
Starting-Electric and Kick-
Transmission-Manual-
Gear Box-4- Speed-
Bore-Not Available-
Stroke-Not Available-
Compression Ratio-Not Available-

Features and Safety

TachometerAnalogue--
Low Fuel IndicatorYes--
Low Oil IndicatorYes--
Low Battery IndicatorYes--
Pillion BackrestNo--
Pillion GrabrailNo--
Pillion FootrestYes--
Shift LightYES--
Antilock Braking System (ABS)No--
Engine Kill SwitchYesYes-
ClockClock--
Battery12V--
ABS-No-
Speedometer-Analogue-
Odometer-Analogue-
Handle Type-Pipe-
Seat Type-Unibody-
Passenger Grab Rail-Yes-

Mileage and Performance

ARAI Mileage-60 KM/L-
Max Speed-80 KM/H-

Chassis and Suspension

Rear SuspensionAsymmetric swingram with monoshockTwin-Spring loaded-
Chassis-No-
Front Suspension-Telescopic-

Dimensions and Capacity

Ground Clearance135No-
Length-1940 mm-
Width-800 mm-
Height-1300 mm-
Fuel Capacity-9.5 litres-
Wheelbase-1200 mm-
Kerb Weight-88.8 kg-

Electricals

Headlight-12V 35-35W Halogen-
Tail Light-Bulb-
Indicators-Bulb-

Tyres and Brakes

Rear BrakeDisc BrakeDrum-
Front Brake DiameterSingle Ø300 mm disc, 4 piston caliper--
Rear Brake DiameterSingle Ø218 mm disc, 1 piston caliper--
Front wheel size17-inch--
Rear Wheel Size17-inch--
Front Tyre Size110/80 – 172.50-17-
Rear Tyre Size130/70-172.75-17-
Tyre TypeAlloy--
Wheel TypeAlloy--
Wheels Type-Alloys-
Front Brake-Disc-

Key Features

Battery Type-Maintenance Free 12v, 5.3Ah-

Standard Features

Speedometer-Analogue-
Odometer-Analogue-
Seat Type-Unibody-
Passenger Grab Rail-Yes-
Engine Kill Switch-Yes-