Showing posts with label Harley Davidson. Show all posts
Showing posts with label Harley Davidson. Show all posts

Tuesday, December 24, 2024

AMF Harley Davidson RR500

AMF (American Machine and Foundry) Harley Davidson RR500 as raced by Michel Rougerie and Muhammad Gumilar. It is a two cylinder two stroke 500 reed-valve engine with four 34 mm Dellorto carbs. Only 16 were made, 7 survived. 
Specifications
Engine: Water-cooled reed-valve parallel-twin two-stroke with 180-degree crankshaft, 72mm x 60mm bore x stroke, 488cc, 12:1 compression, Dansi self-generating CDI ignition, six-speed extractable gearbox, Surflex 16-plate dry clutch with bronze plates, 4 x 34mm Dellorto carbs with two reed-valve packs per cylinder, Ezio Mascheroni designed expansion chambers.
Chassis: Chrome-moly tubular steel duplex cradle frame, tubular steel swingarm, twin Girling shocks, 35mm Ceriani forks, 26º rake, 85mm trail, 1410mm wheelbase, 53/47% weight distribution (customer bike 51/49%), 2 x 280mm cast iron Brembo rotors, twin-piston Brembo calipers, 170mm Brembo cast iron rotor, single-piston Brembo caliper, WM2/1.85 and WM2/2.15in Borrani alloy spoked wheels, 3.50 – 18 and 3.75 – 18 Dunlop KR124 tyres.
Performance: 89bhp@10,500rpm and 68Nm@6800rpm at wheel, 124kg with oil/water no fuel, 280km/h top speed
For more pics see