AJS Regal Raptor 125: history, specs, pictures

The AJS Regal Raptor Eco Custom 125 was a single cylinder, four-stroke standard produced by AJS between 2008 and 2014. Claimed horsepower was 9.79 HP (7.3 KW) @ 8000 RPM.

AJS Regal Raptor 125
Also called Regal-Raptor 125 Silverhawk, Regal-Raptor DD125E-8 Silverhawk, Regal-Raptor Eos-125, Regal-Raptor Daytona 125, Regal-Raptor Eos-125 Mk2, Regal-Raptor DD125 MK2, Regal Raptor Eco Custom 125
Production 2008 - 2014
single cylinder, four-stroke
Bore / Stroke 44.0mm x 40.0mm
Horsepower 9.79 HP (7.3 KW) @ 8000RPM
Fuel System carburetor
Ignition cdi
Transmission Gear box: 5-speed

Final Drive: chain

Clutch: wet, multiplate
Suspension Front: telescopic fork
Rear: twin shocks
Brakes Front: single disc
Rear: expanding brake (drum brake)
Front Tire 3.00-18
Rear Tire 3.50-16
Wheelbase 59.06 inches (1500 mm)
Seat Height 29.13 inches (740 mm)
Weight 299.83 pounds (136.0 Kg) (dry),
Fuel Capacity 3.7 Gallon (14.00 Liters)
Manuals Service Manual


The engine was a liquid cooled single cylinder, four-stroke. A 44.0mm bore x 40.0mm stroke result in a displacement of just 124.0 cubic centimeters. Fuel was supplied via a overhead cams (ohc).


The bike has a 5-speed transmission. Power was moderated via the wet, multiplate.


It came with a 3.00-18 front tire and a 3.50-16 rear tire. Stopping was achieved via single disc in the front and a expanding brake (drum brake) in the rear. The front suspension was a telescopic fork while the rear was equipped with a twin shocks. The Regal Raptor Eco Custom 125 was fitted with a 3.7 Gallon (14.00 Liters) fuel tank. The bike weighed just 299.83 pounds (136.0 Kg). The wheelbase was 59.06 inches (1500 mm) long.