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Aprilia RX 125 (2010-13) vs Aprilia RXV 450i (2010-13) vs Aprilia SXV 550 (2010-11)

Comparison technical specifications


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2010 Aprilia RX 125
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2010 Aprilia RXV 450i
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2010 Aprilia SXV 550
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Make: Aprilia Aprilia Aprilia
Model: RX 125 RXV 450i SXV 550
Years: 2010-13 2010-13 2010-11
Engine: Single cylinder two stroke. Aluminium cylinder with Nikasil coated liner. Read valve intake. Separate mixing. Homologated to Euro 3 standard. Four stroke, 77° V-twin cylinder, Four stroke, 77° V-twin, SOHC
Capacity: 124.8 cc / 7.6 cu in 449 cc / 27.4 cu in 549 cc / 33.5 cu in
Bore x Stroke: 54 x 54.5 mm 76 X 49.5 mm 80 x 55mm
Compression Ratio: 12.5:1 12.5:1 12.0:1
Cooling System: Liquid cooled Liquid cooled Liquid cooled
Induction: Dell’Orto VHST 28 Integrated engine management system controlling ignition and fuel injection. Throttle body: Ø38 mm Integrated engine management system controlling ignition and fuel injection. Throttle body: Ø38 mm
Ignition: Electronic CDI Electronic Electronic
Starting: Electric and kick Electric Electric
Clutch: Wet, multiplate Cable operated multi-plate wet clutch Cable operated multi-plate wet clutch.
Transmission: 6 Speed 5 Speed 5 Speed
Final Drive: Chain Chain Chain
Frame: High strength steel frame with double trellis beam and double cradle. Separate seat frame. Chrome-molybdenum steel perimeter frame with aluminium alloy vertical members. Lightweight rear frame. Steel perimeter frame with alloy vertical members
Front Suspension: Upside down telescopic fork, Ø 40 mm. Ø45 mm Upside down fork, double adjustment Ø48 mm Upside down fork, double adjustment.
Rear Suspension: Steel swingarm. Hydraulic monoshock with piggy back cylinder. Box section aluminium swingarm with cast body, hydraulic monoshock with compression and rebound adjustment Box section aluminium swingarm with cast body, hydraulic monoshock with compression and rebound adjustment
Front Brakes: Single Ø 260 mm disc. 2 piston caliper Single Ø270 mm disc, 4 piston caliper Single Ø320mm disc, 4 piston caliper
Rear Brakes: Single Ø 220 mm disc, 1 piston caliper Single Ø240 mm disc, 2 piston caliper Single Ø240mm disc, 2 piston caliper
Front Tyre: 90/90-21 90/90 -21 120/70 -17
Rear Tyre: 120/90 18 140/80 -18 180/55 -17
Wheelbase: 1480 mm / 58.3 in 1495 mm / 58.9 in 1495 mm / 58.9 in
Seat Height: 830 mm / 32.7 in 941 mm / 37.0 in 915 mm / 36.0 in
Fuel Capacity: 10 liters / 2.6 US gal 7.8 Litres / 2.1 US gal 7.8 Litres / 2.1 US gal
Dry Weight: 116 kg / 256 lbs 120 kg / 265 lbs 118 kg / 313 lbs
Top Speed: 120 km/h / 75 mph 183 km/h / 114 mph 180.1 km/h / 111.9 mph