Zundapp KS750

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Technical specification

Manufacturer Zundapp-Werke GmbH
Production Dates 1940 until 1944
Total Manufactured 18,695
Type 2-cyl., horizontally-opposed (under slight angle), petrol, overhead-valve, air-cooled
Make, model Zundapp KS750
Piston Displacement 751 cc
Bore and stroke 75 x 85 mm
Power output 26 bhp at 4,000 rpm
Torque 2.25 mkg at 2,650 rpm
Carburettor Solex 30BFRH or 30 BFR
Compression ration 6.2 : 1
Type twin-plate, dry
Type 5-speed (incl. crawler gear) and reverse, manual and foot-controlled (crawler gear and reverse manual only)
Ratios crawler 6.21:1, 1st 4.83:1, 2nd 2.29:1, 3rd 43:1, 4th 1 00:1, reverse 7.52:1 (max. speeds in forward gears: 14, 18, 40, 62 and 95 km/h resp.)
Type propellor shaft to lockable torque-biased spur-gear differential; hence gears to rear wheel and drive shaft to side car wheel
Ratio 5.78:1 (incl. 2.2:1 in final drive)
Front parallelogram link type with springs in fork sides actuated by enclosed rocker arms
Rear none
Sidecar torsion bar (later models - BW43 - with torsion tube)
Type welded construction of stampings welded to oval tapered tubes
Type conventional with handlebars and steering damper
Front internal expanding, cable-operated
Rear and sidecar internal expanding, hydraulic
Wheel Type spoke wheels with 3.00D x 16 rims, each with 20 short and 20 long spokes
Tyres 4.50/4.75-16 cross-country type
Wheelbase 1410 mm
Track 1130 mm
Overall length: 2385 mm; width: 1650 mm; height: 1010 mm
Ground clearance 160 mm (sidecar 290 mm)
Fuel tank 23 litres (incl. 3 reserves)
Engine sump 2.25 kg
Gearbox 1.25 kg
Kerb weight 450 kg
Gross weight 670 kg
Max. speed 95 km/h
Autobahn speed 80 km/h
Min. speed 3 km/h
Cruising range 375 km on roads
Fuel consumption 6 lit/100 km on roads; 8.5 lit/100 km cross country
Turning radius left 5.6 m, right 4.1 m


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