APRILIA SR 50 - BROCHURE 2009 Brochure page 7

SPAIN'S N°1 SILVER CROWD
SR 50 R FACTORY
Engine Liquid cooled horizontal single cylinder two
stroke. Electronic direct fuel injection
Bore and stroke 40 x 39.3 mm
Displacement 49 cc
Compression ratio 11,5:1
Air-oil mix aspiration Reed valve
Fuel injection
Electronically controlled, air assisted,
direct injection into the combustion
chamber
Injector type
EFI low flow injector
Direct Injecton system External opening, SMD 8 micron medium
spray
Pressure regolator Pressure differential maintained at 2.5 bar
Throttle body
Ø 18 mm throttle body with integtated
TPS (Throttle Position Sensor)
Air compressor Driven off crankshaft, lubricated by air-oil
mix in crank chamber
Fuel pump 6.5 – 8 bar, high pressure pump with low
electrical power absorption, < 0.5 A
Electronic Control Unit 8 Hz clock speed, 22 pin
Ignition
High power inductive ignition
Starting Electric
Generator Flywheel-magneto, 165W - 12V
Lubrication
Oil injection with oil pump
Oil tank capacity 1,2 litres (0,2 litre reserve)
Gearbox Continuous automatic converter
Clutch Automatic centrifugal dry clutch
Primary drive
V belt
Final drive Gears in oil bath
SR 50 R / R Factory is an ecological vehicle with communitarian homologation Euro 2, 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.
DIABLO BLACK
Frame Split single cradle frame in high tensile
strength steel
Front suspension Hydraulic fork, 90 mm wheel travel
Rear suspension Engine unit acting as swingarm; frame
linkages on two radial silent block mountings;
wheel travel 70 mm
Brakes
Front: 190 mm stainless steel disc; racing
calliper with twin opposed 32 mm pistons
Rear: 190 mm stainless steel disc; racing
calliper with twin opposed 30 mm pistons
Wheels Five spoke, light alloy wheels front and rear:
3.50 x 13"
Tyres Tubeless; front and rear 130/60 x 13"
Dimensions
Max. length 1860 mm
Max. width 705 mm
Max. height 1120 mm
Seat height 820 mm
Wheelbase 1290 mm
Tank capacity 7 litres
Colours Spain's N°1, Silver Crowd, Diablo Black,
Orange Code, Aprilia White, Replica Talmacsi
Accessories racing shock absorber, rear luggage rack,
New Concept 32 litre top box
with optional backrest,
large windshield, small (sport) windshield,
footplate deflectors, side stand,
Body Guard armoured cable lock
ORANGE CODE APRILIA WHITE
SR 50 R
Engine Liquid cooled horizontal single cylinder two
stroke.
Bore and stroke 40 x 39.3 mm
Displacement 49 cc
Compression ratio 12,1:1
Air-oil mix aspiration Reed valve
Carburettor
Dell'Orto PHVA 17.5
Ignition Capacitor Discharge Ignition (CDI)
Starting Electric
Generator
Flywheel-magneto 70W - 12V
Lubrication Separate lubrication with mechanical oil
pump
Oil tank capacity 1,2 litres (0,2 litre reserve)
Gearbox
Continuous automatic converter
Clutch Automatic centrifugal dry clutch
Primary drive V belt
Final drive
Gears in oil bath
Frame Split single cradle frame in high tensile
strength steel
Front suspension Hydraulic fork, 90 mm wheel travel
Rear suspension
Engine unit acting as swingarm; frame
linkages on two radial silent block
mountings; wheel travel 70 mm
Brakes
Front: 190 mm stainless steel disc; racing
calliper with twin opposed 32 mm pistons
Rear: 190 mm stainless steel disc; racing
calliper with twin opposed 30 mm pistons
Wheels
Five spoke, light alloy wheels front and
rear: 3.50 x 13"
REPLICA TALMACSI
Tyres Tubeless; front and rear 130/60 x 13"
Dimensions Max. length 1860 mm
Max. width 705 mm
Max. height 1120 mm
Seat height 820 mm
Wheelbase 1290 mm
Tank capacity
7 litres
Colours Spain's N°1, Silver Crowd, Diablo Black,
Orange Code, Aprilia White, Replica Talmacsi
Accessories
racing shock absorber,
rear luggage rack,
New Concept 32 litre top box
with optional backrest,
large windshield,
small (sport) windshield,
footplate deflectors,
side stand,
Body Guard armoured cable lock
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