Aprilia RS 125 - 2012 Specifications and Reviews

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General information

CategorySport
Year2012
ModelAprilia RS 125

Engine and Transmission Specifications

Emission detailsEuro 2
DrivelinePrimary drive: Gearbox: 63/19 (3.31). Final drive: Chain: 17/40 (2.35).
ClutchMulti-plate in oil bath.
Transmission type,final driveChain
Gearbox6-speed
Cooling systemLiquid
Lubrication systemSeparate mixing with variable displacement, volumetric pump.
IgnitionCDI
Fuel systemCarburettor. Dell’Orto VHST 28
Bore x stroke54.0 x 54.7 mm (2.1 x 2.2 inches)
Compression12.5:1
Power28.16
Engine detailsRead valve intake.
Engine typeSingle cylinder, two-stroke
Capacity:124.80 ccm (7.62 cubic inches)
 
 

Brakes, suspension, Frame and wheels

WheelsAluminium alloy rims
Rear brakes diameter220 mm (8.7 inches)
Rear brakesSingle disc
Front brakes diameter320 mm (12.6 inches)
Front brakesSingle disc
Rear tyre dimensions150/60-R17
Front tyre dimensions110/70-R17
Rear suspension travel120 mm (4.7 inches)
Rear suspensionSwingarm. Hydraulic monoshock with adjustable spring preload.
Front suspension travel120 mm (4.7 inches)
Front suspensionUpside down hydraulic fork, 40 mm.
Frame typeSloping twin-spar frame in thin wall box section cast aluminium, with reinforcement cross-ribbing.

Physical measures and capacities

Reserve fuel capacity3.50 litres (0.92 gallons)
Fuel capacity14.50 litres (3.83 gallons)
Wheelbase1,345 mm (53.0 inches)
Overall width720 mm (28.3 inches)
Overall length1,955 mm (77.0 inches)
Overall height1,100 mm (43.3 inches)
Seat height805 mm (31.7 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc120.0 kg (264.6 pounds)

Other specs

Color optionsBlack, white
StarterElectric

Performance Profile & Rider Fit

14.8 hp
Peak Power
9.5s
0-60 mph

Best For

Track58%
City62%
Cornering82%
Daily Riding60%
Touring18%
Passenger18%

Rider Profile

Best ForIdeal for beginners and A1 licence holders; a forgiving, learner-friendly sportbike that also rewards experienced riders honing technique.
PurposeA pint-sized track-styled sportbike built for spirited backroad riding, carving corners, commuting, and learning proper sport riding skills.
Rider FitLight 144kg with a committed sport riding position: clip-on bars, 820mm seat and rear-set pegs. Compact and manageable but leaning-forward and firm.
CharacterA miniature superbike with real GP-inspired attitude — eager, revvy single that must be worked hard, delivering big-bike thrills at modest speeds.
Not Ideal ForNot for those wanting outright speed, relaxed touring comfort, two-up practicality, off-road use, or a laid-back upright commuter.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Reviews

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