Hyosung RT125: history, specs, pictures

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The Hyosung RT125D was a single cylinder, four-stroke allround motorcycle produced between 2004 and 2016. It could reach a top speed of 65 mph (105 km/h). Max torque was 6.93 ft/lbs (9.4 Nm) @ 6500 RPM. Claimed horsepower was 13.28 HP (9.9 KW) @ 10000 RPM.

Engine[edit]

The engine was a oil & air cooled single cylinder, four-stroke. A 57.0mm bore x 48.8mm stroke result in a displacement of just 124.5 cubic centimeters. The engine featured a 11.3:1 compression ratio. Fuel was supplied via a double overhead cams/twin cam (dohc).

Drive[edit]

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

Chassis[edit]

It came with a 130/80-18 front tire and a 180/80-14 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 equiped with a monoshock. The RT125D was fitted with a 2.4 Gallon (9.10 Liters) fuel tank. The bike weighed just 297.62 pounds (135.0 Kg). The wheelbase was 53.15 inches (1350 mm) long.

In Media[edit]

Hyosung RT125
Manufacturer Hyosung
Also called RT 125 D, RT 125D, RT125D, RT125 Karion, RT 125 Karion, RT 125
Production 2004 - 2016
Class Road
Engine single cylinder, four-stroke
Bore / Stroke 57.0mm x 48.8mm
Top speed 65 mph (105 km/h)
Horse Power 13.28 HP (9.9 KW) @ 10000RPM
Torque 6.93 ft/lbs (9.4 Nm) @ 6500RPM
Fuel system carburetor
Ignition type electronic
Battery 11.3:1
Transmission Gear box: 5-speed

Final Drive: chain

Clutch: wet, multiplate
Suspension Front: telescopic fork
Rear: monoshock
Brakes Front: single disc
Rear: expanding brake (drum brake)
Front Tire 130/80-18
Rear Tire 180/80-14
Wheelbase 53.15 inches (1350 mm)
Dimensions L 82.09 inches (2085 mm)
W 33.46 inches (850 mm)
H 44.29 inches (1125 mm)
Seat height 31.1 inches (790 mm)
Weight 297.62 pounds (135.0 Kg) (dry), 136.0 kg (wet)
Fuel capacity 2.4 Gallon (9.10 Liters)
Fuel consumption 3.02 liters/100 km (33.1 km/l or 77.89 mpg)
Manuals Service Manual
Tech Specs · Brochures · Reviews · Ads · Videos

The Hyosung RT125D was a single cylinder, four-stroke Road motorcycle produced by Hyosung between 2004 and 2016. It could reach a top speed of 65 mph (105 km/h). Max torque was 6.93 ft/lbs (9.4 Nm) @ 6500 RPM. Claimed horsepower was 13.28 HP (9.9 KW) @ 10000 RPM.

Engine[edit]

The engine was a oil & air cooled single cylinder, four-stroke. A 57.0mm bore x 48.8mm stroke result in a displacement of just 124.5 cubic centimeters. Fuel was supplied via a double overhead cams/twin cam (dohc).

Drive[edit]

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

Chassis[edit]

It came with a 130/80-18 front tire and a 180/80-14 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 monoshock. The RT125D was fitted with a 2.4 Gallon (9.10 Liters) fuel tank. The bike weighed just 297.62 pounds (135.0 Kg). The wheelbase was 53.15 inches (1350 mm) long.

In Media[edit]