APRILIA SR 50 STREET - BROCHURE 2009 Brochure page 3

Excalibur Grey Aprilia Black
Engine type Liquid cooled horizontal single cylinder two stroke with reed valve
induction, catalytic converter and secondary air injection system
Fuel Lead-free petrol
Bore and stroke 40 x 39,3 mm
Displacement 49,39 cc
Compression ratio 12,1:1
Fuel injection By carburetor , diffuser Ø 17,5 mm
Ignition Electronic
Starting Electric and kick-start
Alternator Magneto flywheel, 70 W – 12 V
Lubrication Separate mixing with mechanical pump
Gearbox Automatic stepless variator
"V" belt
Primary drive
Final drive Gears
Automatic centrifugal
Clutch
Frame Split single cradle in high tensile tubular steel
Front suspension Hydraulic fork turning on offset steering head; wheel travel 90 mm
Rear suspension Engine unit acting as swing arm; frame linkages on two radial silent
block mountings; wheel travel 70 mm
SR 50 STREET is an ecological vehicle with communitarian homologation Euro2, in the respect of the acoustic and atmospheric pollution limits.
Drive safely always wearing a helmet and protective clothing. Observe the laws of the road and respect the environment. Carefully read the owners' handbook. Photographs, technical data, specifications and colors shown in this
brochure refer to the Italian market version and may be subject to change without prior notice. Ask your official Aprilia dealers for full details. In order to maintain your machine in a safe and efficient manner, always demand official
Aprilia Spare Parts, which are guaranteed by Aprilia Quality Service in respect of current legislation.
The trademark is the property of Piaggio & C. S.p.A.
Brakes Front: 190 mm Ø stainless steel disk; racing calliper with twin
opposed 32 mm Ø pistons.
Rear: 190 mm Ø stainless steel disk; racing calliper with twin
opposed 30 mm Ø pistons
Wheels Five spoke light alloy wheels front and rear: 3.50 x 13"
Tyres Front and rear: 130/60 x 13"
Dimensions Max length: 1775 mm
Max width: 720 mm
Max height: 1200 mm
Wheelbase: 1265 mm
Seat height: 820 mm
Tank capacity 8 litres (2 litres reserve)
Large windshield, sports windshield, "New Concept" top box,
Accessories
side stand, rear footrests
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