Hercules K125

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Hercules-k125-1975-1989-4.jpeg
Hercules K125
Manufacturer
Also called K125X, K 125 X, K 125, K125T, K 125 T, K125S, K 125 S, K125 Military, K 125 Military
Production 1970 - 1990
Class Sport touring
Engine
single cylinder, two-stroke
Bore / Stroke 54.0mm x 54.0mm
Compression ratio 9.0:1
Top Speed 62 mph (100 km/h)
Horsepower 12.2 HP (9.1 KW) @ 7000RPM
Fuel System Carburetor
Transmission Gear box: 5-speed

Final Drive: chain

Clutch: Wet multi-discs
Suspension Front: Hydraulically damped
Rear: Swing with hydr. muted spring struts
Brakes Front: expanding brake
Rear: expanding brake
Front Tire 3.25-18
Rear Tire 3.50-18
Wheelbase 50.98 inches (1295 mm)
Length 80.12 inches (2035 mm)
Width 36.61 inches (930 mm)
Seat Height 31.89 inches (810 mm)
Weight 130.0 kg (wet)
Fuel Capacity 3.96 Gallon (15.00 Liters)
Manuals Service Manual


The Hercules K125 Military was a single cylinder, two-stroke Sport touring motorcycle produced by Hercules between 1970 and 1990. It could reach a top speed of 62 mph (100 km/h). Claimed horsepower was 12.2 HP (9.1 KW) @ 7000 RPM.

Engine[edit | edit source]

The engine was a air cooled single cylinder, two-stroke. A 54.0mm bore x 54.0mm stroke result in a displacement of just 124.0 cubic centimeters. Fuel was supplied via a port control.

Drive[edit | edit source]

The bike has a 5-speed transmission. Power was moderated via the Wet multi-discs.

Chassis[edit | edit source]

It came with a 3.25-18 front tire and a 3.50-18 rear tire. Stopping was achieved via expanding brake in the front and a expanding brake in the rear. The front suspension was a Hydraulically damped while the rear was equipped with a Swing with hydr. muted spring struts. The K125 Military was fitted with a 3.96 Gallon (15.00 Liters) fuel tank. The wheelbase was 50.98 inches (1295 mm) long.

1975 - 1989 Hercules K 125 Military[edit | edit source]

1975 - 1989 Hercules K 125 Military 1975 - 1989 Hercules K 125 Military 1975 - 1989 Hercules K 125 Military 1975 - 1989 Hercules K 125 Military 1975 - 1989 Hercules K 125 Military

The Hercules K125 Military has an air-cooled, single-cylinder, two-stroke engine with flat pistons from Fichtel-Sachs with 9.2 kW (12.5 hp) and ranks among the middle motorcycles in the Bundeswehr. The piston diameter and the piston stroke are each 54 mm. The Krad has a multi-disc clutch in the oil bath and a high-lying swirl muffler.