AJP PR4 125 SM - 2010 Specifications and Reviews

The 2010 AJP PR4 125 SM is a lightweight super motard suited for beginner and intermediate riders seeking affordable urban fun. Its nimble single-cylinder four-stroke engine delivers modest power in a playful package ideal for city commuting and novice track days. Known for easy handling and low maintenance costs, it excels as an entry-level performance motorcycle.

2010
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General information

CategorySuper motard
Year2010
ModelAJP PR4 125 SM
 
 

Engine and Transmission Specifications

Transmission type,final driveChain
Gearbox5-speed
Cooling systemAir
IgnitionC.D.I.
Fuel controlSOHC
Fuel systemCarburettor. Walbro 30 mm
Valves per cylinder2
Bore x stroke59.5 x 49.5 mm (2.3 x 1.9 inches)
Torque8.50 Nm (0.9 kgf-m or 6.3 ft.lbs) @ 8000
Power12.60
Engine typeSingle cylinder, four-stroke
Capacity:124.00 ccm (7.57 cubic inches)
 
 

Brakes, suspension, Frame and wheels

Rear brakes diameter210 mm (8.3 inches)
Rear brakesSingle disc. 2 piston caliper
Front brakes diameter255 mm (10.0 inches)
Front brakesSingle disc. 2 piston caliper
Rear tyre dimensions130/70-17
Front tyre dimensions100/80-17
Rear suspension travel290 mm (11.4 inches)
Rear suspensionSachs mono shock progressive action
Front suspension travel260 mm (10.2 inches)
Front suspensionPaioli Hydraulic fork,
Frame typeSteel double-cradle, detachable rear frame

Physical measures and capacities

Fuel capacity7.50 litres (1.98 gallons)
Wheelbase1,410 mm (55.5 inches)
Seat height910 mm (35.8 inches) If adjustable, lowest setting.
Power/weight ratio0.1212 HP/kg
Dry weight104.0 kg (229.3 pounds)

Other specs

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

Performance Profile & Rider Fit

12.6 hp
Peak Power

Best For

Track45%
City80%
Cornering75%
Daily Riding55%
Touring15%
Passenger15%

Rider Profile

Best ForThis lightweight, low-power supermotard suits beginner to intermediate riders who want a nimble, forgiving bike to build confidence on.
PurposeIt is built for flickable urban riding and playful tight-corner fun rather than outright speed or long-distance travel.
Rider FitThe low dry weight and moderate 910mm seat height make it accessible to smaller or less experienced riders, though the tall-ish seat may challenge shorter riders slightly.
CharacterIt has a light, tossable, go-kart-like character typical of small-displacement supermotards, prioritizing agility over raw performance.
Not Ideal ForIt is not suited for riders seeking highway touring comfort, high top speed, or serious off-road capability.

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

Rider Fit Visualizer

2010 AJP PR4 125 SM Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 910mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2010 AJP PR4 125 SM, with a relaxed knee angle of around 145 degrees and a forward-leaning riding position.

Data quality: measured. 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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