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Honda VFR 750F-RJ (1994) vs Velocette Viper (1955-68)

Comparison technical specifications


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1994 Honda VFR 750F-RJ
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1955 Velocette Viper
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Make: Honda Velocette
Model: VFR 750F-RJ Viper
Years: 1994 1955-68
Engine: Four stroke, 90°V-four cylinder, DOHC, 4 valve per cylinder Four stroke, single cylinder
Capacity: 748 cc / 45.6 cub in 349 cc / 30.5 cub in
Bore x Stroke: 70 x 48.6 mm 72 x 86 mm
Cooling System: Liquid cooled Air cooled
Compression Ratio: 11.0:1 8.0:1
Lubrication: Wet sump Wet sump
Ignition: Digitalized full transistor ignition Belt driven dynamo, after 1962: Lucas system
Spark Plug: NGK CR8EH9 or ND U24FER9 KLG FE100 / Champion N3 / NGK B8ES, Lodge 3HLN
Starting: Electric Kick start
Max Power: 76.6 kW / 105 hp @ 10000 rpm 25 kW / 28 hp @ 7000 rpm
Clutch: Wet, multiple discs, cable operated Dry, three-plate
Transmission: 6 Speed 4 Speed constant mesh, close ratio
Final Drive: Chain Chain
Front Suspension: 41mm Telescopic forks, no external adjustment Telescopic fork with hydraulic compression and rebound damping
Rear Suspension: Pro-link single sided swing arm, adjustable preload Woodhead-Monroe springs with hydraulic damping, later Armstrong and Girling, adjustable
Front Brakes: 2x 296 mm discs, 2 piston calipers 7.5 x 1.5 in., drum
Rear Brakes: Single 256 mm disc, 2 piston caliper 7 x 1 in., drum
Front Tyre: 120/70 VR17 3.25 x 19 in
Rear Tyre: 170/60 VR17 3.25 x 19 in
Rake: 26° 27°
Dry Weight: 209 kg / 461 lbs 165 kg / 364 lbs
Fuel Capacity: 21 Litres / 5.5 gal 13.6 L / 3.6 US gal
Top Speed: 232.7 km/h / 144.6 mph 91 mph