Yamaha XT550: review, history, specs

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'Yamaha XT550'
Manufacturer
[[Yamaha]]
Also called XT550 (reduced effect), XT 550 (reduced effect), XT 550
Production 1982 - 1983
Class [[:Category:Enduro motorcycles|Enduro]] [[Category:Enduro motorcycles]]
Predecessor Yamaha XT500
Successor Yamaha XT600
Engine
single cylinder, four-stroke
Bore / Stroke 92.0mm x 84.0mm
Compression ratio 8.5:1
Top Speed 93 mph (149 km/h)
Horsepower 37.15 HP (27.7 KW) @ 6500RPM
Air Filter K&N YA-1874 `82-83[1]
Spark Plug NGK D7EA '82-83
Battery YUASA 12N5-3B '82-83
Transmission Gear box: 5-speed
Final Drive: chain
Final Drive Chain: 520x98
Front Sprocket 15T
Rear Sprocket 42T
Suspension Front: 38mm Air Assisted Forks
Rear: Monoshock Adjustable Preload
Brakes Front: expanding brake
Rear: expanding brake
Front Tire 3.00-21
Rear Tire 4.60-18
Weight 145.0 kg (wet)
Oil Filter K&N KN-145[1]
Fuel Capacity 3.17 Gallon (12.00 Liters)
Manuals Service Manual


The Yamaha XT550 was a single cylinder, four-stroke enduro / dualsport motorcycle produced by Yamaha between 1982 and 1983. It could reach a top speed of 93 mph (149 km/h). Claimed horsepower was 37.15 HP (27.7 KW) @ 6500 RPM. It replaced the Yamaha XT500 and was itself quickly replaced by the Yamaha XT600.

Engine

The engine was a air cooled single cylinder, four-stroke. A 92.0mm bore x 84.0mm stroke result in a displacement of just 558.0 cubic centimeters. Fuel was supplied via a overhead cams (ohc).

Drive

The bike has a 5-speed transmission.

Chassis

It came with a 3.00-21 front tire and a 4.60-18 rear tire. Stopping was achieved via expanding brake in the front and a expanding brake in the rear. The front suspension was a 38mm Air Assisted Forks while the rear was equipped with a Monoshock Adjustable Preload. The XT550 was fitted with a 3.17 Gallon (12.00 Liters) fuel tank.



Description

The Yamaha XT550 is better at low revs with two choke carburetor, four valve head and engine balancer, but has a weak clutch. Ironically, the better XT550's very rare considering the fact that they were only produced for 2 years and that the four valve head goes eventually.


1983

1983 Yamaha XT550 in White
1983 Yamaha XT550 in White
1983 Yamaha XT550 in White
1983 Yamaha XT550 in White



Videos

In Media


See Also

References

  1. 1.0 1.1 2019 K&L Supply Co Catalog. K&L Supply Co. 2019.