Editing Aprilia RS4 125

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characteristics in common:
 
characteristics in common:
  
* extremely stiff aluminum perimeter frame derived from racing experience
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* extremely stiff aluminium perimeter frame derived from racing experience
 
* 41 mm upside down fork
 
* 41 mm upside down fork
 
* front brake with 300 mm disc and radial four piston calliper
 
* front brake with 300 mm disc and radial four piston calliper
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The design of the fairings and tank, the unique looks of the front end, with the headlights suspended over the gaping air intakes, and the spectacular tapered tail fairing are identical to their counterparts on 1000 cc supersports model that set new standards in terms of style and technical content for the superbike segment.
 
The design of the fairings and tank, the unique looks of the front end, with the headlights suspended over the gaping air intakes, and the spectacular tapered tail fairing are identical to their counterparts on 1000 cc supersports model that set new standards in terms of style and technical content for the superbike segment.
  
Extensive aerodynamic studies have minimized surface areas without compromising wind protection, and the fairings showcase the superlative mechanicals of the Aprilia RS 50 and Aprilia RS4 125 rather than conceal them. As a result, the frame and engine are not hidden away but proudly flaunted as fundamental elements of the design of Aprilia's new small supersports models. With the triple headlight, the Aprilia RS 50 and RS4 have a decidedly aggressive look that lends a unique character to the entire front end. The LED taillight merges stunningly into the ultra-compact tail fairing and offers excellent luminosity. Even from behind, the Aprilia RS4 125 is absolutely unmistakable.
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Extensive aerodynamic studies have minimised surface areas without compromising wind protection, and the fairings showcase the superlative mechanicals of the Aprilia RS 50 and Aprilia RS4 125 rather than conceal them. As a result, the frame and engine are not hidden away but proudly flaunted as fundamental elements of the design of Aprilia's new small supersports models. With the triple headlight, the Aprilia RS 50 and RS4 have a decidedly aggressive look that lends a unique character to the entire front end. The LED taillight merges stunningly into the ultra-compact tail fairing and offers excellent luminosity. Even from behind, the Aprilia RS4 125 is absolutely unmistakable.
  
The product of extensive wind tunnel testing and race experience, the fairing offers excellent wind protection together with superb aerodynamic efficiency. And as well as contributing to the extremely aggressive looks of the bike, the top fairing and tail fairing also maximize performance in terms of speed.
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The product of extensive wind tunnel testing and race experience, the fairing offers excellent wind protection together with superb aerodynamic efficiency. And as well as contributing to the extremely aggressive looks of the bike, the top fairing and tail fairing also maximise performance in terms of speed.
  
  
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The Aprilia RS4 is powered by an all new 125 cc water cooled 4 stroke single cylinder engine with four valves and electronic engine boasting a sophisticated double overhead camshaft (DOHC) valve timing system. This state of the art engine produces the maximum power output permitted for the class with a smooth, linear delivery and ecologically - as it meets even the strictest emissions regulations in effect.
 
The Aprilia RS4 is powered by an all new 125 cc water cooled 4 stroke single cylinder engine with four valves and electronic engine boasting a sophisticated double overhead camshaft (DOHC) valve timing system. This state of the art engine produces the maximum power output permitted for the class with a smooth, linear delivery and ecologically - as it meets even the strictest emissions regulations in effect.
  
With a six speed gearbox allowing the rider to make full use of the power available in all conditions, the Aprilia RS4 offers unbeatable performance in its class not just in terms of absolute power at high engine speeds, but also in terms of usable power band, minimized vibration and outstanding mechanical reliability.
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With a six speed gearbox allowing the rider to make full use of the power available in all conditions, the Aprilia RS4 offers unbeatable performance in its class not just in terms of absolute power at high engine speeds, but also in terms of usable power band, minimised vibration and outstanding mechanical reliability.
  
 
The product of a cutting edge design, the new single cylinder 125 cc unit features dry sump lubrication making it extremely light and compact, allowing Aprilia's engineers to develop a class beating chassis layout.
 
The product of a cutting edge design, the new single cylinder 125 cc unit features dry sump lubrication making it extremely light and compact, allowing Aprilia's engineers to develop a class beating chassis layout.
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The RS 50 and RS4 125 stand head and shoulders above the competition for their superlative chassis layout: developed on the basis of Aprilia's outstanding successes in WSBK and GP 125, the frame consists of die cast aluminum spars with crossed reinforcement ribs. With its state of the art design, this extremely lightweight structure offers exceptional torsional stiffness.
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The RS 50 and RS4 125 stand head and shoulders above the competition for their superlative chassis layout: developed on the basis of Aprilia's outstanding successes in WSBK and GP 125, the frame consists of die cast aluminium spars with crossed reinforcement ribs. With its state of the art design, this extremely lightweight structure offers exceptional torsional stiffness.
 
The front suspension also boasts a class beating layout, with a sturdy 41 mm upside fork, red anodised stanchion clamps and a wheel travel of 110 mm, while at the rear is a monoshock linked directly to the asymmetric swingarm.
 
The front suspension also boasts a class beating layout, with a sturdy 41 mm upside fork, red anodised stanchion clamps and a wheel travel of 110 mm, while at the rear is a monoshock linked directly to the asymmetric swingarm.
  
 
Both the Aprilia RS 50 and RS4 125 boast class beating brake systems: each bike uses a 300 mm steel disc at the front, gripped by a four piston radial calliper, and a 220 mm disc at the rear with a single piston calliper.
 
Both the Aprilia RS 50 and RS4 125 boast class beating brake systems: each bike uses a 300 mm steel disc at the front, gripped by a four piston radial calliper, and a 220 mm disc at the rear with a single piston calliper.
The 17” wheels are shod with 100/80 rubber up front and a 130/70 tire at the rear.
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The 17” wheels are shod with 100/80 rubber up front and a 130/70 tyre at the rear.
 
== STANDARD EQUIPMENT AND FEATURES ==
 
== STANDARD EQUIPMENT AND FEATURES ==
 
The multifunctional analogue/digital instrument panel with LCD display draws directly from Aprilia's experience in the Superbike class. The split 6-spoke design of the wheels further emphasises the purposeful character of Aprilia's latest small capacity sports bikes.
 
The multifunctional analogue/digital instrument panel with LCD display draws directly from Aprilia's experience in the Superbike class. The split 6-spoke design of the wheels further emphasises the purposeful character of Aprilia's latest small capacity sports bikes.

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