Honda CB750K
1969 Honda CB750
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| Manufacturer | Honda |
|---|---|
| Also called | Honda Dream CB750 Four |
| Production | 1969–2003, 2007 |
| Assembly |
Wakō, Saitama, Japan Hamamatsu, Shizuoka Prefecture, Japan Suzuka, Mie, Japan |
| Successor | CB900F |
| Class | Sport bike or standard |
| Engine | 736 cc (44.9 cu in) SOHC air-cooled straight four (1969–1978) DOHC air-cooled straight 4 (1979–2003, 2007) |
| Bore / stroke | 61 mm × 63 mm (2.4 in × 2.5 in) |
| Top speed | 125 mph (201 km/h) |
| Power |
51 kW (68 hp) @ 8500 rpm (1969) 50 kW (67 hp) @ 8000 rpm (DIN) |
| Torque | 44 lbf·ft (60 N·m) @ 7000 rpm |
| Transmission | 5-speed |
| Suspension | Front: telescopic forks Rear: swingarm with two spring/shock units. |
| Brakes | Front disc / Rear drum |
| Tires | Front: 3.25" x 19" Rear: 4.00" x 18" |
| Rake, trail | 94 mm (3.7 in) |
| Wheelbase | 1,460 mm (57.3 in) |
| Dimensions |
L: 2,200 mm (85 in) W: 890 mm (35 in) H: 1,100 mm (44 in) |
| Seat height | 790 mm (31 in) |
| Weight | 218 kg (481 lb) (dry) 233 kg (513 lb) (wet) |
| Fuel capacity | 19 L (4.2 imp gal; 5.0 US gal) |
| Fuel consumption | 34.3 mpg‑US (6.86 L/100 km; 41.2 mpg‑imp) |
| Also called | Hondamatic |
|---|---|
| Production | 1976–1978 |
| Engine | 736.6 cc (44.95 cu in) inline-four, SOHC air-cooled |
| Bore / stroke | 61.0 mm × 63.0 mm (2.40 in × 2.48 in) |
| Compression ratio | 7.7:1 |
| Top speed | 156 km/h (97 mph) |
| Power | 35 kW (47 hp) @ 7500 rpm |
| Torque | 5.0 kg·m (49 N·m; 36 lbf·ft) @ 6000 rpm |
| Ignition type | Coil |
| Transmission | 2-speed, w/torque converter, chain |
| Brakes | Front: 296 mm (11.7 in) disc Rear: 180 mm (7.1 in) drum |
| Tires | Front: 3.5" x 19" Rear: 4.5" x 17" |
| Rake, trail | 28°, 110 mm (4.5 in) |
| Wheelbase | 1,470 mm (58.0 in) |
| Dimensions |
L: 2,260 mm (89.0 in) W: 800 mm (31.5 in) |
| Seat height | 840 mm (33.0 in) |
| Weight | 262 kg (578 lb) (claimed) (dry) 259 kg (572 lb) (wet) |
| Fuel capacity | 18 l (4.0 imp gal; 4.8 US gal) |
51 kW (68 hp) @ 8500 rpm (1969)
The Honda CB750 is an air-cooled transverse in-line four cylinder engine motorcycle made by Honda over several generations for year models 1969–2003 as well as 2007 with an upright or standard riding posture. It is often called the original Universal Japanese Motorcycle (UJM).
Though other manufacturers had marketed the transverse, overhead camshaft, inline four-cylinder engine configuration and the layout had been used in racing engines prior to World War II, Honda popularized the configuration with the CB750, and the layout subsequently became the dominant sport bike engine layout.
The CB750 is included in the AMA Motorcycle Hall of Fame Classic Bikes; was named in the Discovery Channel's "Greatest Motorbikes Ever;" was in The Art of the Motorcycle exhibition, and is in the UK National Motor Museum. The rates the 1969 CB750 as one of the 240 Landmarks of Japanese Automotive Technology.
The CB750 was the first motorcycle to be called a "superbike."
Honda of Japan introduced the CB750 motorcycle to the US and European markets in 1969 after experiencing success with its smaller motorcycles. In the late 1960s Honda motorcycles were, overall, the world's biggest sellers. There were the C100 Cub step-through—the best-selling motorcycle of all time—the C71, C72, C77 and CA77/8 Dreams; and the CB72/77 Super Hawks/Sports. A taste of what was ahead came with the introduction of the revolutionary CB450 DOHC twin-cylinder machine in 1966. Profits from these production bikes financed the successful racing machines of the 1960s, and lessons learned from racing were applied to the CB750. The CB750 was targeted directly at the US market after Honda officials, including founder Soichiro Honda, repeatedly met US dealers and understood the opportunity for a larger bike.
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Wikipedia