Years in production Engine type Displacement, pre-1973 1973 & later Bore & Stroke Compression Carburetors Ignition Engine output Oil system Oil capacity Primary drive Clutch Gearbox Ratios, overall: 1st, bottom 2nd 3rd 4th, top Final drive Frame type Suspension, front Suspension, rear Brake, front, pre-1973 Brake, front, 1973 on Brake, rear Wheelbase Seat height Weight |
1969-1974 Air-cooled OHV parallel twin 746cc / 45 ci 828cc /50.5 ci 73mm X 89mm / 2.875" X 3.503" 9.0:1 1- or 2- Amal Concentrics, 30mm Battery & coil, Lucas 58 bhp @ 6500 rpm Dry sump 6 pts Triplex chain Multi-plate diaphragm, wet 4-speed constant-mesh 12.40:1 8.25:1 5.90:1 4.84:1 Chain Welded double cradle, Isolastic Suspension Telescopic fork, hydraulic damping Swing Arm, 2 dampers, Isolastic mounts 8" TLS drum, full width 10" disc, 2-piston caliper 7" SLS drum, full width 57.1" 31.3" 431 lbs |
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