Suzuki GT550: history, specs, pictures
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.
Manufacturer | Suzuki |
---|---|
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) |
Horse Power | 46.94 HP (35.0 KW) @ 7500RPM |
Fuel system | 3x Mikuni Carburetors |
Sparkplug | NGK B8ES '75-77 NGK B7ES '72-74 |
Battery | YUASA 12N11-3A-1 '72-77 |
Transmission | Gear box: 5-speed Final Drive: chain |
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) |
Dimensions | L 86.42 inches (2195 mm) W 32.09 inches (815 mm) |
Weight | (dry), 190.0 kg (wet) |
Fuel capacity | 3.96 Gallon (15.00 Liters) |
Related | Suzuki GT380 Suzuki GT550 Suzuki GT750 |
Competition | Yamaha RD350 Kawasaki S2 |
Manuals | Service Manual |
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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
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
The bike has a 5-speed transmission. Power was moderated via the Wet multi-plate.
Chassis
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
- 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
- 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
- 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
- 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
- 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
- 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