Hercules K 125 S 1978

Air cooled, 124cc, Single, 2-stroke, Reed valve

Engine and transmission Switch unit
Engine type:	1 cylinders, 2-stroke, Single
Displacement:	124 cc (7.58 cubic inches)
Bore × stroke:	2.13 inch × 2.13 inch (square)
Cooling system:	Air cooled
Power:	16.86 HP (12.4 kW) @ 7500 rpm
Throttle:	Cable operated
Valves
Valve train:	Reed valve, variable
Fuel and ignition
Sparks per cylinder:	1
Compression:	11.8:1
Engine mounting:	Transverse
Gear box:	Manual 6-speed
Clutch:	Wet, cable operated
Final drive:	Chain

Dimensions
Weight
Curb weight:	269 lbs
Chassis and suspension
Front
Brake:	Single Disk
Rear
Brake:	Drum
Other
ABS available:	No
Power-to-weight ratio:	0.10 KW/lbs (9.84 lbs/HP)
Top speed:	72.7 mph
Fuel capacity:	2.91 gals
Number of riders:	2 persons

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