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Aprilias SR 50 has set the pace
for scooter technology ever since it was introduced in 1992. With
the SR 50, Aprilia was the first manufacturer to
offer a real sports scooter, creating a whole new market segment.
Despite numerous attempts by the competition over the years, the
SR 50 has remained the undisputed market leader, thanks to continuous
upgrades in technology that have kept it beyond the reach of other
scooters. The SR has set records at an incredible rate.
Engine: Horizontal, single cylinder,
4 stroke. Forced liquid cooling with centrifugal pump.
4 valve head with overhead camshaft. Fuel: Unleaded
petrol
Bore and stroke: 72 x 60 mm (72 x 48.6 mm) (57 x 48.6 mm)
Displacement: 244.29 cc
Compression ratio: 11:1 Maximum
power: 22.5 CV at 8000 rpm 16.5 KW Maximum torque: 21 Nm a
6.250 rpm Fuel system: Electronic fuel injection
(Carburettor 29) (Carburettor 29)
Ignition: Electronic inductive discharge ignition
with variable advance
Starting: Electric Alternator: 300
W. Lubrication: Wet sump. Forced circulation
with mechanical pump
Gearbox: Automatic torque converter Clutch:
Automatic centrifugal dry clutch
Primary drive: V belt Final
drive: Gearbox. Frame: Open cradle in high
tensile strength steel
Front suspension: Hydraulic telescopic fork with 35 mm stanchions.
Wheel travel 100 mm
Rear suspension: Engine unit acting as swinging arm. Double hydraulic
shock absorber with adjustable preload. Wheel travel 80 mm.
Brakes: Front: Twin 260 mm stainless steel discs.
( 260 mm stainless steel disc) Twin piston floating callipers
Rear: 220 mm stainless steel disc. Wheels:
Light alloy Front: 2.75 x 15 Rear: 3.00 x 15
Tires: Tubeless. Front: 120 / 70 x
15 Rear: 130 / 80 x 15" Dimensions:
Maximum length: 78", Maximum width: 34.6"(at mirrors), Wheelbase:
53.5", Seat height; 32", Dry weight 326 lbs. Tank
capacity: 2.37 gal - reserve .39 gal Exhaust:
Euro 3 Max Speed: 79.5 mph
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