Suzuki GSX550L
1984—1985

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1984 Suzuki year code: E

Suzuki presented a whole new lineup in 1981 with Katana styled bikes where fuel tank, seat, side covers and tail were blended together, in some cases with a cockpit fairing. Initially there were three of them, GSX1100S, GS550M and GS650G. Later came the GSX1000S Katana and the GSX400L, a model with a parallel twin DOHC engine. Suzuki’s second-generation four-stroke engine is a newly designed 550 cm³ air-cooled 4-cylinder DOHC 4-valve engine equipped with Twin Swirl Combustion Chambers (TSCC). The GSX550L incorporates this high-performance engine into a cruiser-style street bike. Improved cooling efficiency was realized by adopting an oil jet piston ring cooling system. As a result, the new engine is lightweight and compact, and generates impressive maximum horsepower of 64 PS. The Suzuki GSX550L also features a double cradle frame that uses newly developed hexagonal pipes to realize low weight and high rigidity. It is also equipped with the Full-Floater rear suspension, a novelty at the time the bike's release.

1984 Suzuki GSX550L, Black

1984 Suzuki GSX 550 L Overall Length: 2 085 mm (82.1 in) Overall Width: 825 mm (32.5 in) Overall Height: 1 155 mm (45.5 in) Seat Height: 770 mm (30.3 in) Wheelbase: 1 440 mm (56.7 in) Ground Clearance: 145 mm (5.7 in) Dry Weight: 186 kg (410 lbs) Engine: Air-cooled 572 cc DOHC inline-4, 8 valves. 64 hp (47.1 kW) @ 10 000 rpm, 49 Nm (5.0 kg-m) @ 8 000 rpm Here's even larger picture.

1984—1985 Suzuki GSX550L specifications (Japan)

Overall length: 2 085 mm (82.1 in)
Overall width: 825 mm (32.5 in)
Overall height: 1 155 mm (45.5 in)
Seat height: 770 mm (30.3 in)
Wheelbase: 1 440 mm (56.7 in)
Ground clearance: 145 mm (5.7 in)
Dry weight: 186 kg (410 lbs)

Fuel consumption: 40.5 km/liter @ 60 km/h
Minimum turning radius: 2.6 m (102.4 in)

Engine model: GN72L
Cooling method: Air cooled
Engine type: Inline-four 4-stroke, DOHC, 4 valves per cylinder
Bore x stroke: 60.0 mm x 50.6 mm (2.362 in x 1.992 in)
Engine displacement: 572 cc (34.9 cubic inches)
Peak power: 64 hp (47.1 kW) @ 10 000 rpm
Peak torque: 49 Nm (5.0 kg-m) @ 8 000 rpm
Compression ratio: 9.8 : 1
Fuel system: Carburator / BSW30(SU) x 2
Starter system: Electric starter
Ignition system: Full transistor
Lubrication system: Wet sump
Lubrication oil capacity: 3.3 L (0.87 US gal/0.73 Imp gal)
Fuel tank capacity: 11.0 liter (2.90 US gal/2.43 Imp gal)
Clutch type: Wet, multi-plate, coil spring
Transmission: Constant mesh, return type, 6 speeds
Final drive: Chain
1st gear ratio: 2.666
2nd gear ratio: 1.777
3rd gear ratio: 1.380
4th gear ratio: 1.173
5th gear ratio: 1.045
6th gear ratio: 0.956
Primary reduction ratio: 1.977
Secondary reduction ratio: 3.214

Frame type: Double cradle
Caster: 28°50′
Trail: 111 mm (4.37 in)

Front brake: Hydraulic disc
Rear brake: Drum brake
Front tyre: 100/90-16 54H
Rear tyre: 130/90-16 67H
Steering angle left/right: 40°

Recommended retail price in Japan: 569,000 Yen (1984–1985)

More: GSX550L brochures and adverts

More: Suzuki GSX550 models

More: All Suzuki models

Sources: www.bikez.com etc.

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