1973 Konig 500

“HE WANTED HAY BALES TO COVER THE CONCRETE WALL AROUND THE OUTSIDE OF THAT CORNER. BUT THE BRITISH OFFICIALS REFUSED.”

ENGINE TYPE: Four-cylinder horizontally opposed two-stroke DISPLACEMENT: 493cc (680 version, 673cc) BORE X STROKE (FINAL VERSION): 50 x 56mm with 3 port disc valve induction (680 version, 63 x 54mm) COOLING: Water-cooled, 5 litres total capacity LUBRICATION: ENGINE 20:1 Premix (originally 16:1) OUTPUT: 85hp at 9800rpm (680, 90hp at 9500rpm) CARBURATION: 38mm & 45mm Solex, and 42mmtillotson double-barrelled down-draught carburettors (1973) IGNITION SYSTEM: Total loss ignition pair of double-outlet coils operating two points TRANSMISSION: Norton (& Quaife) 5 or 6 speed with Austrian-made Schafleitner gears PRIMARY CHAIN DRIVE: Morse Hy-vo toothed chain (final version) CHAIN, FINAL DRIVE: Renold 5⁄8in x ¼in STARTING: Push start FUEL CAPACITY: 26.5 litres (7 gallons) glass-fibre tank CHASSIS: Steel spine frame with side rails and twin front supports to motor. Made by Kim Newcombe SWINGARM: Steel box section. Made by Kim Newcombe LENGTH: 2130mm WIDTH: 510mm WHEELBASE: 1422mm (56in) SEAT HEIGHT: 660mm (26in) HEIGHT: 1100mm WEIGHT: 120kg FAIRING AND FRONT GUARD: Kawasaki H1R copy SUSPENSION: (F) Ceriani 35mm telescopic forks (R) Girling four-way spring preload adjustable shocks WHEELS: (F) & (R) Borrani WM2 & WM3 spoked alloy ‘H’ race rims TYRES: (F) Dunlop triangular 2.5 x 18in (Bridgestone BT45F 90/90/18) (R) Dunlop triangular 3.5 x 18in (Bridgestone BT45F 110/80/18) BRAKES: Ceriani 230mm diameter four leading shoe racing drums, front and rear