http://www.clymer.com Clymer Manuals 1952 Zundapp KS601 Vintage Classic Antique Retro Vintage Motorcycle retrospective and restoration. Interview with the owner at the Heart of America Motorcycle Enthusiasts HoAME show rally.
http://www.zundappfool.com
Zündapp was a German motorcycle brand originally founded in 1917 in Nuremberg by Fritz Neumeyer, together with the Friedrich Krupp AG and the machine tool manufacturer Thiel under the name "Zünder- und Apparatebau G.m.b.H." as a producer of detonators. In 1919, as the demand for weapons parts declined after World War I, Neumeyer became the sole proprietor of the company and two years later, he diversified into the construction of motorcycles.
The first Zündapp motorcycle was the Z22 in 1921, the "Motorrad für Jedermann" (motorcycle for everybody), a simple and reliable design that was produced in large series. Zündapp's history of heavy motorcycles began in 1933 with the K-series. They introduced the closed engine case, a novelty at the time. (The "K" stands for "Kardanantrieb", i.e. enclosed driveshaft with two universal joints, a type of drivetrain, which these models featured.) The series encompassed models from 200 to 800 cc displacement and was a major success, increasing Zündapp's market share in Germany from 5% in 1931 to 18% in 1937. From 1940 on, Zündapp produced more than 18000 units of the KS750, a sidecar with a driven side wheel and a locking differential for the German Wehrmacht.
Starting in 1931 Ferdinand Porsche and Zündapp developed the "Auto für Jedermann" (car for everybody), which was the first time the name "Volkswagen" was used. Porsche preferred the 4-cylinder flat engine, but Zündapp used a water-cooled 5 cylinder radial engine. In 1932 three prototypes were running. All three cars were lost during the war, the last in 1945 in Stuttgart during a bombing raid.
After World War II, the company gradually shifted to producing smaller machines, for instance the Bella motorscooter, The last of the heavy motorcycles, and incidentally also one of its most famous models, was released in 1951: the KS601 (the "green elephant") with a 598 cc two cylinder engine.
From 1957 to 1958 the company also produced the Zündapp Janus microcar.
In 1958 the company moved from Nuremberg to Munich. Subsequently, the company developed several new smaller models, gave up the development of four-stroke engines and only produced two-stroke models. Initially, Zündapp scooters and mopeds sold well, but later sales declined, and in 1984, the company went bankrupt and closed.
Zundapp models were taken over and built in the 1980s by Enfield India. Enfield India tied up with Zundapp of Germany, and put up a plant in Ranipet, near Chennai in the 80s to manufacture small, light weight two stroke two wheelers. Enfield India launched a slew of light weight machines. The 50 cc Silver Plus step-through and Explorer motorcycle and the Fury 175 and these bikes redefined the entry-level segment. The Fury with a five-speed gearbox came fitted with a hydraulic disc brake a first in the country.
-from http://en.wikipedia.org/wiki/Zundapp
Type of operation - Four-stroke
Stroke - 67.6 mm
Bore - 75 mm
Number of Cylinders - 2
Cubic Capacity - 597 cc
Compression Ratio - 1 : 6.4 - 6.7
Power Output- KS601(1950-1957 ) 28 HP @ 4700 RPM
- from http://home.wmol.com/mechaniq/ZunKS601.htm
Parts replacement Serial number location Operating requirements Starting difficulties Poor idling Misfiring Flat spots Lack of power Overheating Backfiring Engine noises Piston seizure Vibration High oil consumption Clutch slip or drag Transmission problems Poor handling Brake system Lighting system Troubleshooting guide Routine checks Periodic maintenance 500 mile/monthly maintenance 1500 mile/3-month maintenance Engine tune-up Removal Installation Cylinder head Cylinders Pistons, pins, and rings Camshafts Cam chain guides Valves and valve gear Oil filter Oil pump Crankcase side covers Crankcase Crankshaft Clutch Transmission Kickstarter Air cleaners Carburetors Throttle linkage Fuel tank Exhaust system Charging system Battery Alternator Rectifier Regulator Ignition system Ignition coils Condensers Starter motor Starter clutch Starter solenoid Lighting system Horn Fuse Wiring harness Wiring diagrams Front wheel drum brake Front wheel disc brake Front forks Rear wheel Drive chain Sprocket Rear shocks Swinging arm Front drum brake Front disc brake Rear drum brake Kickstand sidestand Centerstand Stripping the frame Mirrors Mirror Pipe Muffler Header
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