User manual APRILIA RS125 BROCHURE 2009

[. . . ] In fact, everything about it, from its nose fairing with latest generation twin headlights to its mean-looking and streamlined tail with integrated seat and powerful rear lights is designed to offer minimal resistance to the air. GP SWINGARM One of the most prestige components on the new RS 125 is its die-cast aluminium alloy swingarm. In addition to guaranteeing the highest degree of torsional rigidity of any production 125, the swingarm's special design also lets you lean further than ever on the track without touching the asphalt. RACE-WINNING AGILITY The RS 125's sophisticated and lightweight frame is developed from the superb racing frames of Aprilia's amazing 125 GP bikes. Made from polished aluminium alloy, it guarantees extremely high torsional rigidity, and delivers maximum control and agility under racing conditions. RACING INSTRUMENTATION The compact and lightweight dashboard provides all the functions of a real racing unit. [. . . ] Its sleek, aggressive and irresistible looks, for example, are designed for maximum aerodynamic penetration. So stand out from the crowd on the RS 50: the bike of tomorrow's champions. RACING EXHAUST The under-seat exhaust ensures perfect balance and makes a major contribution to the bike's exceptional, aerodynamic form. The system is manufactured using racing technology to ensure maximum power output. ON BOARD COMPUTER The performance of the RS 50 is kept constantly under control just like that of a racing machine. The instrumentation includes a rev counter, odometer, trip counter, a racing chronometer with a 20 lap memory, and a service indicator. RACING FRAME The RS 50's aluminium double beam frame features an extruded profile and internal reinforcement to deliver unrivalled control in bends and amazingly agile direction changes. RACING SUSPENSION The swingarm is a double member, extruded aluminium unit with reinforcement truss and a hydraulic monoshock. 50cc WORLD CHAMPIONSHIP TECHNOLOGY. With an ultra-modern two-stroke engine, racing frame and suspension, advanced brakes and racetrack wheels, the RS 50 offers you unrivalled performance, control and safety. Its ergonomic controls, fuel tank and seat are designed to fit your body; its fairing offers all-round wind protection; its footrests provide the ultimate in support. Only Aprilia can give you so much, plus the prestige of a legendary name. RADIAL CALIPER The RS 50's radial front brake is powerful and smooth to guarantee maximum active safety. LIGHTWEIGHT WHEELS The `Y' spoke wheels feature the same design as those fitted to Aprilia's GP bikes. Lightweight and balanced for stability in bends, these wheels are specially designed for use with the latest generation of radial tyres. RS50 RACINGTECHNOLOGY RS125 Engine Aprilia Black Fluo Red Replica SBK RS50 Engine type Bore and stroke Displacement Compression ratio Carburettor Ignition Starting Battery Lubrication Gearbox Primary drive Final drive Clutch Exhaust emissions Front suspension Rear suspension Aprilia Black Fluo Red Replica SBK Liquid cooled, single cylinder two stroke. Aluminium cylinder with Nikasil coated liner. Homologated to Euro 3 standards. Front suspension Upside down hydraulic fork, Ø 40 mm. Wheel travel 120 mm. Liquid cooled, single cylinder two stroke. 39. 86 x 40 mm 49. 9 cc 11. 5 :1 Dell'Orto PHVA Ø 17. 5 Electronic C. D. I. Electric 12 V ­ 4 Ah Automatic mixer. Ratios: 1 11/34; 2 15/30; 3 18/27; 4 20/24; 5 22/23; 6 23/22 st nd rd th th th Frame Front Brakes Aluminium twin beam frame with extruded profiles and internal reinforcement. Radial caliper with two 28 mm opposed pistons; 300 mm Ø stainless steel disc; braided brake hose. Rear suspension Swingarm with asymmetric members in thin wall box section cast aluminium. Hydraulic monoshock with adjustable spring preload. Wheel travel 120 mm Bore by stroke Displacement Compression ratio Carburettor Ignition Starting Alternator Lubrication Gearbox 54 x 54. 5 mm 124. 8 cc 12. 5 ± 0. 5 : 1 Dell'Orto VHST Ø 28 mm Electronic CDI ignition. 12 V ­ 180 W Separate mixing with variable displacement, volumetric pump. [. . . ] Primary drive Final drive Clutch Frame Gearbox: 63/19 (3. 31) Chain: 17/40 (2. 35) Multi-disc in oil bath. Sloping twin-spar frame in thin wall box section cast aluminium, with reinforcement cross-ribbing. Dimensions Overall length 1, 955 mm Overall width (at handlebars) 720 mm Overall height (at windshield) 1, 100 mm Seat height 805 mm Wheelbase 1, 345 mm Tank 14 litres (3. 5 litre reserve) RS 125 is an ecological vehicle with communitarian homologation Euro 3, in the respect of the acoustic and atmospheric pollution limits. RS 50 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. [. . . ]