Suzuki GT550: history, specs, pictures

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1972-Suzuki-GT550-Blue-1561-0.jpg
Suzuki GT550
Manufacturer
Also called Indy, GT 550, GT550J, GT 550 J
Production 1972 - 1977
Class Standard
Engine
in-line three, two-stroke
Bore / Stroke 61.0mm x 62.0mm
Compression ratio 6.8:1
Top Speed 111 mph (178 km/h)
Horsepower 46.94 HP (35.0 KW) @ 7500RPM
Fuel System 3x Mikuni Carburetors
Spark Plug NGK B8ES '75-77
NGK B7ES '72-74
Battery YUASA 12N11-3A-1 '72-77
Transmission Gear box: 5-speed

Final Drive: chain

Clutch: Wet multi-plate
Final Drive Chain: 530x108
Front Sprocket 16T
Rear Sprocket 40T
Suspension Front: Telehydraulic Fork
Rear: Dual Shocks Swinging Fork
Brakes Front: single disc
Rear: expanding brake
Front Tire 3.25-19
Rear Tire 4.00-18
Wheelbase 57.72 inches (1466 mm)
Length 86.42 inches (2195 mm)
Width 32.09 inches (815 mm)
Weight 190.0 kg (wet)
Recommended Oil Suzuki ECSTAR 10w40
Fuel Capacity 3.96 Gallon (15.00 Liters)
Related Suzuki GT380
Suzuki GT550
Suzuki GT750
Competition Yamaha RD350
Kawasaki S2
Manuals Service Manual

Brochures ·


The Suzuki GT550 was a in-line three, two-stroke Naked motorcycle produced by Suzuki between 1972 and 1977. It could reach a top speed of 111 mph (178 km/h). Claimed horsepower was 46.94 HP (35.0 KW) @ 7500 RPM. It was also known as the Indy.


The 1972 Suzuki GT 550 was the big version of Suzuki’s GT range of touring and commuting two-stroke triples. Unlikely to get you in trouble and most certain to get you home, Suzuki’s GT were the thinking person’s two strokes. Bore and stroke were an almost square 61mm x 62mm, giving a capacity of 544 cc. Compression ratio was 6.8:1 and claimed hp was 50 at 6,500 rpm. The five-speed transmission was operated via a multi-disc six-spring clutch.


Engine[edit]

The engine was a air cooled in-line three, two-stroke. A 61.0mm bore x 62.0mm stroke result in a displacement of just 543.0 cubic centimeters. Fuel was supplied via a port control.

Drive[edit]

The bike has a 5-speed transmission. Power was moderated via the Wet multi-plate.

Chassis[edit]

It came with a 3.25-19 front tire and a 4.00-18 rear tire. Stopping was achieved via single disc in the front and a expanding brake in the rear. The front suspension was a Telehydraulic Fork while the rear was equipped with a Dual Shocks Swinging Fork. The GT550 was fitted with a 3.96 Gallon (15.00 Liters) fuel tank. The wheelbase was 57.72 inches (1466 mm) long.


1972 GT550J[edit]


  • FRAME #: GT550-10001
  • ENGINE #: GT550-10001
  • ENGINE TYPE: 543cc Two-stroke Triple
  • MODEL CODE: 340
  • COLOR: Redondo Blue, Aztec Gold
  • Front drum brake
  • Headlight mounts and housing primary color

1973 GT550K[edit]

1973 Suzuki GT550K


  • FRAME #: GT550-21780
  • ENGINE #: GT550-23036
  • ENGINE TYPE: 543cc Two-stroke Triple
  • MODEL CODE: 340
  • COLOR: Lime Green, Hermosa Blue
  • Front disc brake
  • Headlight mounts and housing primary color

1974 GT550L[edit]

1974 Suzuki GT550L
1974 Suzuki GT550 in Green
1974 Suzuki GT550 in Green
1974 Suzuki GT550 in Green


  • FRAME #: GT550-36266
  • ENGINE #: GT550-37851
  • ENGINE TYPE: 543cc Two-stroke Triple
  • MODEL CODE: 341
  • COLOR: Hawaii Green, Laredo Red
  • Digital gear indicator
  • Chrome air cleaner covers
  • Chrome rear grab rail

1975 GT550M[edit]


  • FRAME #: GT550-47119
  • ENGINE #: GT550-49302
  • ENGINE TYPE: . . . 543cc Two-stroke Triple
  • MODEL CODE: . . . 341
  • COLOR: Jet Black, Candy Orange
  • Digital gear indicator
  • Chrome air cleaner covers
  • Chrome headlight mounts and housing


1976 GT550A[edit]

  • FRAME #• GT550-61315
  • ENGINE #: GT550-64464
  • ENGINE TYPE: . . . 543cc Two-stroke Triple
  • MODEL CODE: . . . 341
  • COLOR • Forest Green, Targa Red
  • Chrome chain guard
  • Front fender has lower support only
  • Digital gear indicator

1977 GT550B[edit]

1977 Suzuki GT550B


  • FRAME #: GT550-70364
  • ENGINE #: GT550-73451
  • ENGINE TYPE: . . . 543cc Two-stroke Triple
  • MODEL CODE: . . . 341
  • COLOR: Blue, Silver
  • Black headlight mounts and housing
  • Taillight flat on top
  • Digital gear indicator


1972 - 1977 Suzuki GT 550[edit]


In Media[edit]

References[edit]