Supermotos

2018AJP PR4 Supermoto Pro 125

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The AJP PR4 Supermoto Pro 125 is a lightweight Portuguese-made supermoto designed for beginner and intermediate riders seeking nimble off-road and street capability. With 12.6 horsepower, a 112 kg curb weight, and 300mm rear suspension travel, it excels in tight technical terrain and urban riding. Known for its accessible performance and quality construction, the PR4 suits riders transitioning from smaller bikes to more capable dual-purpose machines.

Capacity: 124.0 ccm
Engine: Single, four-stroke
Gearbox: 5-speed
Wet weight: 112.0 kg
Seat height: 870 mm
Power: 12.6 HP (9.2 kW) @ 8400 RPM

⇄ Compare with another bike All model years

Other years 2018 2019 2020

How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail55%

Cornering88%

City riding75%

Daily riding45%

Touring15%

Two-up15%

Track60%

Best for: It's built for playful supermoto-style riding, sharp handling on tight roads, and short, agile city or backroad jaunts rather than outright speed.
Built for: A nimble, flickable little machine with premium fully-adjustable suspension that rewards an eager, playful riding style over long-distance cruising.
Not ideal for: It's not for riders wanting sustained highway speeds, long-distance touring comfort, or a passenger-friendly setup.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Will it fit you?

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Your height

Inseam (optional)

Units

At 870mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with tip-toe one foot on the 2018 AJP PR4 Supermoto Pro 125, with a relaxed knee angle of around 135 degrees and a forward-leaning riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at 821-900 mm — Long Legs →

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Full specifications

Engine

Capacity: 124.0 ccm
Power: 12.6 HP (9.2 kW) @ 8400 RPM
Torque: 8.5 Nm (0.9 kgf-m)
Engine type: Single, four-stroke
Power/weight ratio: 0.1125 HP/kg
Bore x stroke: 56.0 x 49.5 mm
Cooling system: Air
Fuel system: Carburettor
Starting: Electric & kick
Valves per cylinder: 2

Transmission

Gearbox: 5-speed
Transmission type: Manual
Final drive: Chain
Clutch: Oil bath, multidisc

Dimensions & weight

Wheelbase: 1380 mm
Seat height: 870 mm
Wet weight: 112.0 kg
Fuel capacity: 7.00 litres
Ground clearance: 335 mm
Dry weight: Not on record - add it

Chassis & suspension

Frame: Composite - aluminum/steel
Front suspension: Marzocchi 40mm, fully adjustable
Rear suspension: ZF Sachs progressive system, fully adjustable
Front wheel travel: 260 mm
Rear wheel travel: 300 mm

Brakes & wheels

Front brakes: Single disc. 2-piston calipers
Front brakes diameter: 260 mm
Rear brakes: Single disc. Single-piston caliper
Rear brakes diameter: 220 mm
Front tyre: 100/80-17
Rear tyre: 130/70-17

Other

Color options: White/red/grey
Comments: AJP is a Portuguese brand.

Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.

What changed, year to year

Differences highlighted

Specification	2018	2019	2020
Capacity	124.00 ccm (7.57 cubic inches)	124.00 ccm (7.57 cubic inches)	124.0 ccm (7.57 cubic inches)
Seat height	870 mm (34.3 inches)	870 mm (34.3 inches)	870 mm (34.3 inches)
Fuel capacity	7.00 litres (1.85 gallons)	7.00 litres (1.85 gallons)	7.00 litres (1.85 US gallons)
Color options	White/red/grey	White/red/grey	White/red/grey

Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.

Rider Reviews

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MotorcycleDB Review

The 2018 AJP PR4 Supermoto Pro 125 motorcycle is a powerhouse on two wheels. With its 125cc engine, this bike offers plenty of power for any adrenaline junkie looking for a thrilling ride. The Supermoto Pro 125 also features a lightweight design, making it easy to maneuver through tight turns and urban streets. Whether you're a seasoned rider or a beginner looking for a bike to hone your skills, the AJP PR4 Supermoto Pro 125 is a great choice for anyone looking for an exhilarating ride.

In addition to its powerful engine, the 2018 AJP PR4 Supermoto Pro 125 also boasts top-notch suspension and braking systems, making it a reliable and safe option for riders of all skill levels. The sleek design and comfortable riding position make for a smooth and enjoyable riding experience. Overall, the AJP PR4 Supermoto Pro 125 is a fantastic choice for anyone in the market for a high-performance, stylish, and reliable motorcycle. Choose the AJP PR4 Supermoto Pro 125 for an unforgettable riding experience.