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Honda CB750

Honda CB750
HONDA DREAM-CB750FOUR.jpg
1969 Honda CB750
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)
CB750A
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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