Suzuki GS550: history, specs, pictures

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Suzuki GS550
Production 1977 - 1981
Class Standard
in-line four, four-stroke
Bore / Stroke 60.0mm x 50.6mm
Compression ratio 8.6:1
Top Speed 110 mph (177 km/h)
Horsepower 66.51 HP (49.6 KW) @ 10000RPM
Torque 36.88 ft/lbs (50.0 Nm) @ 8000RPM
Fuel System carburetor
Ignition transistorized
Spark Plug NGK B8ES 77-79
Battery YUASA YB10L-A2 77-79
Transmission Gear box: 6-speed

Final Drive: chain

Clutch: wet multi-plate type
Final Drive Chain: 530x110
Front Sprocket 15T
Rear Sprocket 50T
Suspension Front: telescopic, pneumatic/ coil spring, oil dampened
Rear: full- floating suspension system
Brakes Front: single disc
Rear: expanding brake (drum brake)
Front Tire 100/90-1654h
Rear Tire 130/90-1667h
Wheelbase 56.89 inches (1445 mm)
Length 82.09 inches (2085 mm)
Width 34.65 inches (880 mm)
Height 45.28 inches (1150 mm)
Weight 410.06 pounds (186.0 Kg) (dry), 222.0 kg (wet)
Oil Filter K&N KN-133
Recommended Oil Suzuki ECSTAR 10w40
Fuel Capacity 2.4 Gallon (9.08 Liters)
Fuel Consumption 4.70 liters/100 km (21.3 km/l or 50.05 mpg)
Related Suzuki GS750
Competition BMW R65
Honda CB650
Honda CX500
Kawasaki KZ650B
Suzuki GS550
Yamaha XS650
Yamaha SR500
Manuals Service Manual

The Suzuki GS550L was a in-line four, four-stroke Classic motorcycle produced by Suzuki between 1977 and 1981. It could reach a top speed of 110 mph (177 km/h). Max torque was 36.88 ft/lbs (50.0 Nm) @ 8000 RPM. Claimed horsepower was 66.51 HP (49.6 KW) @ 10000 RPM.

Engine[edit | edit source]

The engine was a oil & air cooled in-line four, four-stroke. A 60.0mm bore x 50.6mm stroke result in a displacement of 572.0 cubic centimeters. Fuel was supplied via a double overhead cams/twin cam (dohc).

Drive[edit | edit source]

The bike has a 6-speed transmission. Power was moderated via the wet multi-plate type.

Chassis[edit | edit source]

It came with a 100/90-1654h front tire and a 130/90-1667h rear tire. Stopping was achieved via single disc in the front and a expanding brake (drum brake) in the rear. The front suspension was a telescopic, pneumatic/ coil spring, oil dampened while the rear was equipped with a full- floating suspension system. The GS550L was fitted with a 2.4 Gallon (9.08 Liters) fuel tank. The bike weighed just 410.06 pounds (186.0 Kg). The wheelbase was 56.89 inches (1445 mm) long.

1977 GS550B[edit | edit source]

1977 Suzuki GS550B

  • FRAME #: GS550-100001
  • ENGINE #: GS550-100001
  • ENGINE TYPE: 549cc Four-stroke Inline-four
  • MODEL CODE: 470
  • COLOR: Black, Green
  • Spoke wheels
  • Rear drum brake
  • Black side covers

1978 GS550C[edit | edit source]

1978 Suzuki GS550C

  • FRAME #: GS550-110407
  • ENGINE #: GS550-114441
  • ENGINE TYPE: 549cc Four-stroke Inline-four
  • MODEL CODE: 470
  • COLOR: Midnight Blue, Midnight Burgundy
  • Spoke wheels
  • Side covers primary color

1979 GS550N[edit | edit source]

1979 Suzuki GS550N

  • FRAME #: GS550-119862
  • ENGINE #: GS550-139272
  • ENGINE TYPE: 549cc Four-stroke Inline-four
  • MODEL CODE: 470
  • COLOR: Green, Maroon
  • Spoke wheels
  • Side covers primary color
  • Folding foot pegs

1981 GS550TX[edit | edit source]

1981 Suzuki GS550TX

  • V.I.N.#: JS1GN71A B 100001
  • ENGINE TYPE: 549cc Four-stroke Inline-four
  • MODEL CODE: 474
  • COLOR: Red, Blue
  • Front and rear fenders primary color
  • Chrome headlight housing

1979 - 1986 Suzuki GS 550 L[edit | edit source]

1979 - 1986 Suzuki GS 550 L 1979 - 1986 Suzuki GS 550 L

The Suzuki GS 550 L is a typical representative of the so-called soft- chopper generation (construction period from 1979 to 1984). Originated from the successful and more sporty 550 E , the 550 L has an extended fork, a chopper steering wheel, a reduced tank and a bench seat.The L models of the GS series enjoyed great popularity, particularly in their "large" variants 750 L, 850 L and 850 GL, 1000 L and 1000 GL as well as 1100 L and 1100 GL, particularly on the US market , Which also explains their long construction period. The end of the GS series represents the futuristic styled GSX 1100 Katana.

In Media[edit | edit source]

References[edit | edit source]