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Contents

   



(Top)
 


1 Styling and concept  





2 Engine  





3 Specifications  



3.1  SX50  





3.2  RX50  





3.3  Restriction  







4 References  














Aprilia RX/SX 50






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From Wikipedia, the free encyclopedia
 


Aprilia RX/SX 50
2008 Aprilia SX50
ManufacturerAprilia
Parent companyPiaggio
Production2006-present
ClassMotorcross, Supermoto
Engine49.76 cc, 11.5:1 CR, liquid-cooled, carburetor-fuelled two-stroke
Power+/- 6.5 hp (4.8 kW) Restricted, 12 hp (8.9 kW) Derestricted
Transmission6-speed manual
SuspensionØ40 mm hydraulic fork with leading axle; wheel travel 195 mm
Rear: hydraulic monoshock; Non-adjustable; wheel travel 180 mm
BrakesFront: 300 mm stainless steel disc; floating quad-piston caliper
Rear: 180 mm stainless steel disc; twin-piston caliper
Fuel capacity7 litres
RelatedAprilia RX50, Aprilia MX50, Aprilia SX125


The 2006 Aprilia RX/SX 50 is a street/off-road motorcycle widely produced by Aprilia. It is powered by a six-speed, carburetor-fuelled, nikasil-lined and cast iron single-cylinder two-stroke engine manufactured by Derbi/Piaggio.

Styling and concept[edit]

The 2006 Aprilia RX/SX 50s are the renovated successors of the Aprilia RX 50 first produced in 1992;[1] the panels and layout are based closely on the bigger displacement Aprilia RXV/SXVs.

Engine[edit]

The engine in the Aprilia SX 50 is sourced from Derbi/Piaggio (D50B0/D50B1). This engine is used in the Derbi Senda DRD/X-Race/X-Treme supermotos and crossers, as well as the 2006 onwards Derbi GPR 50 and Aprilia RS 50 road bikes, although the road bikes feature an electric starter instead of a kickstarter on the supermotos. Engine parts from the crossers and supermotos can be directly swapped with one another; there are some small differences between the road bike and supermoto engine and frame which may require modification to transfer some external engine parts (exhaust, airbox etc.)

Specifications[edit]

SX50[edit]

50 cc single cylinder, six-petal reed valve case induction and two-stroke injection (automix) carburetor fueled.

Engine displacement – 49.76 cc
Bore/stroke – 39,88×40 mm
Compression ratio – 11.5:1
Clutch – Wet, multiple plate
Starting – Kickstart
Exhaust = Catalytic converter
Rotor Ignition/Generator = 85w/120w
Cooling system – Liquid-cooled
Fuel tank size = 7 litres
Fuel system – Carburetor Dell'Orto PVHA 17.5 mm
Main jet = 95
Needle Jet = A13, notch #2
Idle jet = 30
Transmission
1st = 1st 11/34
2nd = 2nd 15/30
3rd = 3rd 18/27
4th = 4th 20/24
5th = 5th 22/23
6th = 6th 23/22
Primary drive = 21/78
Sprockets
Front = 14 Teeth
Rear = 53 Teeth
Overall Final Drive ratio = 14/53
Spark plug = DENSO W27ESR-U/IW27 NGK BR9ES/BR9EG/BR9EIX
Gap = .6-7 mm
Wheelbase = 55.354 in (1,406 mm)
Length = 79.68 in (2,024 mm)
Width = 80.511 in (2,045 mm)
Height = 32.677 in (830 mm)
Tires = Front: 100/80 - 17 inch; Rear: 130/70 - 17-inch

RX50[edit]

50 cc single cylinder, six petal reed valve case induction and two-stroke injection (automix) carburetor fueled

Engine displacement = 49.76 cc
Bore/stroke = 39,88×40 mm
Compression ratio = 11.5:1
Clutch = Wet, multiple plate
Starting = Kickstart
Exhaust = Catalytic converter
Rotor Ignition/Generator = 85w/120w
Cooling System = Liquid-cooled
Fuel Tank Size = 7 litres
Fuel System = Carburetor Dell'Orto PVHA 17.5 mm
Main Jet = 95
Needle Jet = A13, notch #2
Idle Jet = 30
Transmission
1st = 1st 11/34
2nd = 2nd 15/30
3rd = 3rd 18/27
4th = 4th 20/24
5th = 5th 22/23
6th = 6th 23/22
Primary Drive = 21/78
Sprockets
Front = 14 Teeth
Rear = 53 Teeth
Overall Final Drive ratio = 14/53
Spark Plug = DENSO W27ESR-U/IW27 NGK BR9ES/BR9EG/BR9EIX
Gap = .6-7 mm
Wheelbase = 55.354 in (1,406 mm)
Length = 79.68 in (2,024 mm)
Width = 80.511 in (2,045 mm)
Height = 32.677 in (830 mm)
Tires = Front: 90/90 - 21 inch; Rear: 110/80 - 18-inch

Restriction[edit]

Restriction varies depending on the country and sky, person, or company the bike is purchased from. The engine is usually restricted in the following ways:

Carburetor
'Strangle' baffle/plate in Air filter manifold
74 Main jet
Exhaust
Exhaust fume/pressure outlet pipes
Catalytic converter
Sprockets
Front; reduced to 11/53 or 12/53
Ignition system (only on models 2018 and after)
Limited to 8000 RPM

References[edit]

  1. ^ "APRILIA models & history - autoevolution". www.autoevolution.com. Retrieved 2019-06-19.

Retrieved from "https://en.wikipedia.org/w/index.php?title=Aprilia_RX/SX_50&oldid=1187108620"

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This page was last edited on 27 November 2023, at 14:49 (UTC).

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