Suzuki GSX550EF (1984-86)
The Suzuki GSX 550EF motorcycle was produced from 1984 to 1986 and has a four-stroke, transverse four-cylinder DOHC engine with four valves per cylinder. The bike has a capacity of 572cc and a compression ratio of 9.8:1. The cooling system is air and oil-cooled, while the lubrication system is wet sump. The induction system is made up of two 32mm Mikuni carburetors, and the ignition is transistorized, with electric starting.
This motorcycle has a maximum power output of 50 kW or 66 hp at 10,000rpm and a maximum torque of 50 Nm or 67.1 hp at 9,000rpm. It has a wet, multi-plate clutch and a six-speed constant mesh transmission with a final drive of a #50 (530) chain, 112 links, and O-ring sealed. The frame of this bike is a tubular steel, double cradle design, and the suspension consists of a Posi Damp Fork System with telescopic forks, a coil spring, and oil dampening at the front, and a full floating suspension system with spring preload and full adjustability at the rear.
The front brakes consist of two 260mm discs and a two-piston caliper, while the rear brake is a single 250mm disc with a two-piston caliper as well. This bike has a front tire size of 100/90-16 54H and a rear tire size of 110/90-18 61H. The dimensions of the motorcycle are 2120mm in length, 770mm in width and 1175mm in height, with a wheelbase of 1420mm, a ground clearance of 155mm, and a seat height of 780mm. The dry weight of the bike is 196kg, while the wet weight is 216kg with a fuel capacity of 18 liters. It has an average fuel consumption of 4.9 L/100km or 48 mpg and can do a standing 1/4 mile run in 12.8 seconds with a top speed of 196 km/h or 122 mph.
Technical specifications:
Make Model: Suzuki GSX 550EF
Year: 1984 – 86
Engine: Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.
Capacity: 572 cc / 34.9 cu in
Bore x Stroke: 60 x 50.6 mm
Compression Ratio: 9.8:1
Cooling System: Air/oil cooled
Lubrication System: Wet sump
Induction: 2 x 32 mm Mikuni carburetors
Ignition: Transistorized
Starting: Electric
Max Power: 50 kW / 66 hp @ 10000 rpm
Max Torque: 50 Nm / 67.1 hp @ 9000 rpm
Clutch: Wet, multi-plate
Transmission: 6 Speed constant mesh
Final Drive: #50 (530) Chain, 112 links, O-ring sealed
Frame: Tubular steel, double cradle
Front Suspension: Posi Damp Fork System, telescopic forks, coil spring, oil dampened
Rear Suspension: Full floating suspension system, spring preload, fully adjustable
Front Brakes: 2 x 260 mm discs, 2 piston caliper
Rear Brakes: Single 250 mm disc, 2 piston caliper
Front Tyre: 100/90-16 54H
Rear Tyre: 110/90-18 61H
Dimensions: Length: 2120 mm / 83.5 in Width: 770 mm / 30.3 in Height: 1175 mm / 45.3 in
Wheelbase: 1420 mm / 55.9 in
Ground Clearance: 155 mm / 6.1 in
Seat Height: 780 mm / 30.7 in
Dry Weight: 196 kg / 432 lbs
Wet Weight: 216 kg / 476 lbs
Fuel Capacity: 18 Litres / 4.8 US gal / 4.0 Imp gal
Consumption Average: 4.9 L/100 km / 20.4 km/l / US 48 mpg / 57.6 Imp mpg
Standing 1/4 Mile: 12.8 sec
Top Speed: 196 km/h / 122 mph
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