2004 APRILIA TUONO 125
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- Engine type - Liquid cooled single cylinder
two-stroke. Aluminium cylinder with Gilnisil
coating on barrel. Reed valve intake and exhaust
port control valve. Separate lubrication.
- Bore and stroke - 54 x 54.5 mm.
- Displacement - 124.8 cc.
- Compression ratio - 12.5 ± 0.5:1.
- Carburettor - Dell'Orto PHBH 28 BD.
- Ignition - CDI capacitor discharge electronic
ignition.
- Starting - Electric starter.
- Generator - 12V - 180 W.
- Lubrication - Separate mixing with variable
displacement volumetric pump.
- Gear box - Six speed.
- Primary drive - Gears.
- Final drive - Chain.
- Clutch - Multiple disk in oil bath.
- Exhaust - Catalysed. Conforms to Euro 1
standards.
- Frame - Cast aluminium sloping twin-spar
with thin walled structural shell and cross
rib reinforcement
- Front suspension - Upside-down hydraulic
action telescopic fork, 40 mm Ø inners, wheel
travel 120 mm.
- Rear suspension - Cast aluminium swing-arm
with asymmetrical members and thin walled
structural shell. Hydraulic monoshock with
adjustable spring preload; wheel travel 120
mm.
- Brakes - Front: floating disk, Ø 320 mm.
Four parallel piston calliper, 32 mm piston
diameter.
- Rear - Single disk, Ø 220 mm. Twin piston
calliper, piston diameter 32 mm.
- Wheels - Five spoke aluminium alloy, front
3.00 x 17", rear 4.00 x 17".
- Tyres - Tubeless radials, front. 110/70
ZR 17", rear 150/60 ZR 17".
- Dimensions - Maximum length: 1,950 mm.
- Maximum width - 720 mm at handlebars.
- Maximum height - 1,1350 mm at windshield.
- Seat height - 805 mm.
- Wheelbase - 1,345 mm.
- Tank capacity - 14 litres (3.5 litre reserve).
- Colours - Racing black; Tulip red.
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