The Aprilia ST 125 was a liquid-cooled, two-stroke, single cylinder Supermotard motorcycle produced by Aprilia between 1983 and 1985. Max torque was 10.33 ft/lbs (14.0 Nm) @ 8250 RPM. Claimed horsepower was 17.97 HP (13.4 KW) @ 8250 RPM.
| 'Aprilia ST 125' | |
| Manufacturer | [[Aprilia]] |
|---|---|
| Production | 1983 - 1985 |
| Class | [[:Category:Supermotard motorcycles|Supermotard]] [[Category:Supermotard motorcycles]] |
| Engine | liquid-cooled, two-stroke, single cylinder |
| Bore / Stroke | 53.3mm x 53.3mm |
| Compression ratio | 14.5:1 |
| Horsepower | 17.97 HP (13.4 KW) @ 8250RPM |
| Torque | 10.33 ft/lbs (14.0 Nm) @ 8250RPM |
| Transmission | Gear box: gears Final Drive: chain |
| Suspension | Front: 32mm Marzocchi telescopic fork Rear: monoshock |
| Brakes | Front: single 230mm disc Rear: 160mm drum |
| Front Tire | 2.75-18 |
| Rear Tire | 3.00-18 |
| Seat Height | 31.5 inches (800 mm) |
| Weight | 104.0 kg (wet) |
| Manuals | Service Manual |
Engine
A 53.3mm bore x 53.3mm stroke result in a displacement of just 124.0 cubic centimeters.
Drive
The bike has a gears transmission. Power was moderated via the wet multi-disc, manual.
Chassis
It came with a 2.75-18 front tire and a 3.00-18 rear tire. Stopping was achieved via single 230mm disc in the front and a 160mm drum in the rear. The front suspension was a 32mm Marzocchi telescopic fork while the rear was equipped with a monoshock.
1983 Aprilia ST 125
The 1983 MY Aprilia ST 125 has, at its heart, a liquid-cooled, two-stroke, 124cc, single cylinder lump paired to a six-speed manual transmission, and can produce 18 horsepower and 14 Nm of torque. This entry-level machine is best suited for the more young and inexperienced among riders, and comes standard with features such as a 32mm Marzocchi telescopic front fork, a single shock absorber in the rear, a front disc brake and a drum in the rear, an analogue instrument cluster and blacked-out engine accents.
1984 Aprilia ST 125
The 1984 MY Aprilia ST 125 has been designed by the House of Noale for the younger among its fans that want a two-wheeler suitable for the busy traffic found in the urban jungle. It boasts standard features such as a 32mm Marzocchi telescopic front fork, a single shock absorber in the rear, a front disc brake and a drum in the rear, an analogue instrument cluster and blacked-out engine accents.
In the tech/engine department, it sports a liquid-cooled, two-stroke, 124cc, single cylinder lump mated toa six-speed manual transmission, and can reach a maximum power output of 18 horsepower and 14 Nm of torque.
1985 Aprilia ST 125
The 1985 MY Aprilia ST 125 is one of the first entry-level supermoto two-wheelers developed by the House of Noale. It has, at its heart, a liquid-cooled, two-stroke, 124cc, single cylinder powerplant mated to a six-speed manual transmission, and can produce a claimed 18 horsepower and 14 Nm of torque.
It also comes standard with the high-end feature such as a 32mm Marzocchi telescopic front fork, a single shock absorber in the rear, a front disc brake and a drum in the rear, an analogue instrument cluster and blacked-out engine accents.