| MODEL | AJP PR4 125 TRIAL 2005 |
| Year | 2005 |
| Engine Type | Single cylinder, four-stroke, 2 valves, OHC |
| Displacement / Capacity | 125 cc / 7.63 cu in |
| Bore X Stroke | — |
| Compression Ratio | — |
| Cooling System | Air |
| Max Power | 10.8 kW / 14.8 hp |
| Max Torque | — |
| Ignition | — |
| Induction | Carburettor |
| Start System | Electric & kick |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 5-speed |
| Clutch | — |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | — |
| Front Suspension | Telescopic fork, 260 mm / 10.2 in travel |
| Rear Suspension | Single shock absorber, progressive action, 260 mm / 10.2 in travel |
| Front Brakes | Single disc, 260 mm / 10.2 in |
| Rear Brakes | Single disc, 185 mm / 7.3 in |
| DIMENSION SPECS | |
| Overall Length | 2135 mm / 84.1 in |
| Overall Width | — |
| Overall Height | — |
| Seat Height | 910 mm / 35.8 in |
| Wheelbase | 1410 mm / 55.5 in |
| Ground Clearance | — |
| Dry Weight | 98.0 kg / 216.1 lb |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 90/90-21 |
| Rear Tyre | 120/80-18 |
| FUEL SYSTEM | |
| Fuel Capacity | 9 Litres / 2.38 US gal |
| Fuel Consumption | — |
| Top Speed | — |
Listed as a Trial variant of the 2005 PR4 125, although its published figures (14.8 hp claimed output, 21-inch front wheel, 9 litre tank) are those of an enduro-style bike, so the label may be loose. Air-cooled four-stroke with a five-speed gearbox.
