Aprilia RS 125 - 1997 Specifications and Reviews

The 1997 Aprilia RS 125 is an accessible sport bike ideal for younger and novice riders seeking genuine track-inspired performance. Its liquid-cooled engine delivers nimble handling and eager acceleration in a lightweight, manageable package. Best known for combining affordable entry-level sportiness with Italian design flair, the RS 125 remains a popular choice for riders transitioning to sport bikes.

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About the Aprilia RS 125

The 1996 RS125 replaced the previous RS125R Extrema.

Compared to this, Its engine was a completely new liquid cooled Rotax 122 and the air intakes were relocated to the top of the middle fairing. The analogue temperature gauge was replaced by a digital gauge. 

The distinctive square headlight took on a more rounded look and the nose became slightly pointed. 

General information

CategorySport
Year1997
ModelAprilia RS 125
 
 

Engine and Transmission Specifications

Transmission typefinal driveChain
Gearbox6-speed
Cooling systemLiquid
Torque15.00
Power15.00
Stroke2
Engine typeSingle cylinder
Capacity:125.00 ccm (7.63 cubic inches)

Physical measures and capacities

Seat height780 mm (30.7 inches) If adjustable, lowest setting.
Dry weight117.0 kg (257.9 pounds)
 
 

Aprilia RS 125 dimensions and frame

Rear brakesSingle disc
Front brakesSingle disc

Speed and acceleration

Power/weight ratio0.1282 HP/kg

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay

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 Fit Visualizer

1997 Aprilia RS 125 Rider Ergonomics Assessment

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Feet:

At 780mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 1997 Aprilia RS 125, with a cramped knee angle of around 70 degrees and a forward-leaning riding position.

Data quality: estimated (wheelbase estimated from this category's typical bike, not this model's own spec). Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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