Yamaha XZ550 Vision: review, history, specs
| 'Yamaha XZ550' | |
| Manufacturer | [[Yamaha]] |
|---|---|
| Also called | Vision, XZ550S |
| Production | 1982 - 1983 |
| Class | [[:Category:Sport bike motorcycles|Sport bike]] [[Category:Sport bike motorcycles]] |
| Engine | 553cc V-twin, four-stroke |
| Bore / Stroke | 80.0mm x 55.0mm |
| Compression ratio | 10.5:1 |
| Top Speed | 112 mph (180 km/h) |
| Horsepower | 62.63 HP (46.7 KW) @ 9500RPM |
| Torque | 36.88 ft/lbs (50.0 Nm) @ 8500RPM |
| Spark Plug | NGK D8EA '82-83 |
| Battery | YUASA YB14L-A2 '82-83 |
| Transmission | Gear box: 5-speed Final Drive: shaft drive (cardan) |
| Suspension | Front: Telescopic Fork Rear: Swingarm Monocross |
| Brakes | Front: dual disc Rear: expanding brake |
| Front Tire | 90/90-18 |
| Rear Tire | 4.25/85-18 |
| Wheelbase | 56.89 inches (1445 mm) |
| Length | 83.5 inches (2121 mm) |
| Width | 33.31 inches (846 mm) |
| Seat Height | 30.71 inches (780 mm) |
| Weight | 228.0 kg (wet) |
| Fuel Capacity | 4.49 Gallon (17.00 Liters) |
| Manuals | Service Manual |
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Reviews · |
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The Yamaha XZ550S was a V-twin, four-stroke sportbike motorcycle produced by Yamaha between 1982 and 1983. It offered innovative technology in its motor and bold (too bold according to some) styling. It could reach a top speed of 112 mph (180 km/h). Max torque was 36.88 ft/lbs (50.0 Nm) @ 8500 RPM. Claimed horsepower was 62.63 HP (46.7 KW) @ 9500 RPM.
History
Early production models were flawed with poor braking and carburetion glitches. Three slightly different models were produced: the European model, with dual front braking discs, the 1982 US model (RJ), with a single disc and the 1983 US model (RK), with dual discs and a fairing. The models also use different sparkplugs and front forks.
Engine
The engine was a liquid cooled v2, four-stroke. A 80.0mm bore x 55.0mm stroke result in a displacement of just 553.0 cubic centimeters. Fuel was supplied via a double overhead cams/twin cam (dohc).
- 4 stroke 70-degree DOHC V-Twin
- 4 valves per cylinder
- liquid cooled
- 552 cm³
- 65 hp (48 kW) @ 9500 rpm
- 50 N·m (37 ft·lbf) @ 8500 rpm
Drive
The bike has a 5-speed transmission.
- gearbox: 5 speed
- final drive: shaft
Chassis
It came with a 90/90-18 front tire and a 4.25/85-18 rear tire. Stopping was achieved via dual disc in the front and a expanding brake in the rear. The front suspension was a Telescopic Fork while the rear was equipped with a Swingarm Monocross. The XZ550S was fitted with a 4.49 Gallon (17.00 Liters) fuel tank. The wheelbase was 56.89 inches (1445 mm) long.
Wheels
- front tire: 90/90-18 51H
- rear tire: 110/90-18 61H
- front brake: single/dual discs
- rear brake: drum
Measurements
- wet weight: 212 kg (467 lb)
- fuel capacity: 17 l (4.5 US gal)
1983
1983 Yamaha XZ 550 Vision in Red
1983 Yamaha XZ 550 Vision in Red
1983 Yamaha XZ 550 Vision in Red
1983 Yamaha XZ 550 Vision in Red
1983 Yamaha XZ 550
The Yamaha Vision, also know as the XZ 550, was a motorcycle produced in 1982-83. This bike won the prize of the "Best Middleweight" motorcycle in 1983.
In Media
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