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2004 Aprilia MX50
- Engine type - Single cylinder two-stroke, liquid cooled. Light alloy cylinder with Gilnisil coating. Reed intake in crankcase. Balancing countershaft.
- Fuel - Lead-free
- Bore and stroke - 40.3 x 39 mm
- Displacement - 49.7 cc
- Compression ratio - 12 ± 0.5:1
- Carburettor - Dell'Orto SHA 14/12 with mixture heating system in manifold
- Ignition - Electronic, capacitor discharge
- Starting - Kick start
- Generator - 12V - 85 W
- Lubrication - Separate mixing with variable displacement pump
- Gearbox - 6 speed
- Clutch - Multiple disk in oil bath
- Primary drive - Helical gears
- Final drive - Chain
- Frame - Closed cradle split at exhaust level, in high strength steel tubes
- Front suspension - Upside down telescopic fork, Ø 35 mm inners, wheel travel 225 mm
- Rear suspension - Swing-arm in box section steel, with anti-friction bushings, adjustable monoshock with Aprilia Progressive System action; wheel travel 260 mm
- Brakes - Front: disk, Ø 230 mm, floating calliper, double parallel pistons
- Rear: disk, Ø 220 mm, fixed calliper, double opposing pistons
- Wheels - Aluminium. Front: 2.50 x 17"; rear: 3.00 x 17"
- Tyres - Front: 100/80 x 17";
- Rear - 130/70 x 17"
- Dimensions - Maximum length 2,050 mm
- Maximum width at handlebars - 780 mm
- Maximum height at mirrors - 1,330 mm
- Wheelbase - 1,340 mm
- Tank capacity - 9.5 litres (1.5 litre reserve)
- Colours - Aprilia Black, Fluo Red
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