Engineered by Zündapp for the sport motorcycle segment, the 1968 Zündapp 518 KS 100 relies on a 98 cc (6 cu in) air-cooled single cylinder, two-stroke powerplant. In factory specification, peak output is rated at 8.2 HP (6 kW), transferring power to the rear wheel through chain final drive. With a specific output of 83.7 HP per liter, the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.
On the scales, the 518 KS 100 measures 75 kg (165 lbs) dry, translating to a power-to-weight ratio of 0.11 HP/kg (9.15 kg per horsepower). The 13.5-liter (3.6 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 100 km/h (62 mph).
Within MotoLibrary's Zündapp archive, this model family spans 2 indexed model years from 1968 to 1969, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Power
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.