| MODEL | AJP SPR 510R 2021 |
| Year | 2021 |
| Engine Type | Single cylinder, four-stroke, DOHC, 4 valves |
| Displacement / Capacity | 501 cc / 30.57 cu in |
| Bore X Stroke | 97.0 x 67.5 mm / 3.8 x 2.7 in |
| Compression Ratio | 12.9:1 |
| Cooling System | Oil and air |
| Max Power | 27.7 kW / 38 hp |
| Max Torque | — |
| Ignition | — |
| Induction | Fuel injection, 45 mm |
| Start System | Electric |
| TRANSMISSION SPECS | |
| Lubrication | Wet sump |
| Gear Box | 6-speed |
| Clutch | — |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Composite aluminium/steel |
| Front Suspension | ZF Sachs 48 mm, fully adjustable, 300 mm / 11.8 in travel |
| Rear Suspension | ZF Sachs progressive system with reservoir, fully adjustable, 300 mm / 11.8 in travel |
| Front Brakes | Single 260 mm / 10.2 in disc, 2-piston caliper |
| Rear Brakes | Single 220 mm / 8.7 in disc, single-piston caliper |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | 960 mm / 37.8 in |
| Wheelbase | 1450 mm / 57.1 in |
| Ground Clearance | 355 mm / 14.0 in |
| Dry Weight | 119 kg / 262.4 lb |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 90/90-21 |
| Rear Tyre | 140/80-18 |
| FUEL SYSTEM | |
| Fuel Capacity | 9.5 Litres / 2.51 US gal |
| Fuel Consumption | — |
| Top Speed | — |
The SPR 510R is the big-bore enduro, a 501 cc DOHC fuel-injected single claimed at 38 hp with a six-speed gearbox. At about 119 kg dry it is light for its capacity, built for experienced riders in tough terrain. First model year.
