Suzuki GSX1100EF (1987)

The Suzuki GSX 1100EF (GS 1150EF) is a motorcycle that was produced in 1987. It has a four stroke, transverse four cylinder engine with DOHC and 4 valves per cylinder. The capacity is 1135cc with a bore x stroke of 74 x 66mm. The cooling system is air cooled, and the compression ratio is 9.7:1. It also has wet sump lubrication and 4x Mikuni BS36SS carburetors.

The motorcycle has an analogue CDI (capacitive discharge ignition) and electric starting. The max power is 92.4 kW / 124 hp @ 8500 rpm and the max torque is 98.7 Nm / 10.7 kgf-m / 72.8 lb-ft @ 6500 rpm. The clutch is wet, multiple discs, cable operated, and it has a 5-speed, constant mesh transmission. The final drive is a chain, #630, O-ring sealed.

The frame is a steel, double cradle frame and the front suspension is a 37mm Kayaba air-assisted, adjustable spring preload and compression damping. The front wheel travel is 150mm / 5.9in and the rear suspension is a single Kayaba shock with adjustable spring preload and rebound damping. The rear wheel travel is 114mm / 4.4in. The front brakes are 2 x 275mm discs with 2 piston calipers and the rear brake is a single 275mm disc, 1 piston caliper.

The motorcycle’s dimensions include a length of 2240mm / 88.2in, a width of 730mm / 28.7in, and a height of 1280mm / 50.4in. The wheelbase is 1550mm / 61.0in, the ground clearance is 155mm / 6.1in, and the seat height is 785mm / 30.9in. The dry weight is 238kg / 524lbs and the wet weight is 256kg / 56.43lbs. The fuel capacity is 20 liters / 5.2 US gal / 4.4 Imp gal.

A road test of the Suzuki GSX1100EF was conducted back in 1985 by Motosprint.

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Technical specifications:

Make Model: Suzuki GSX 1100EF (GS 1150EF)

Year: 1987

Engine: Four stroke, transverse four cylinders, DOHC, 4 valves per cylinder,

Capacity: 1135 cc / 69.35 cu-in

Bore x Stroke: 74 x 66 mm

Cooling System: Air cooled

Compression Ratio: 9.7:1

Lubrication: Wet sump

Induction: 4x Mikuni BS36SS carburators

Ignition: Analogue CDI (Capacitive Discharge Ign.)

Starting: Electric

Max Power: 92.4 kW / 124 hp @ 8500 rpm

Max Power Rear Tyre: 88.7 kW / 119 hp @ 8500 rpm

Max Torque: 98.7 Nm / 10.7 kgf-m / 72.8 lb-ft @ 6500 rpm

Clutch: Wet, multiple discs, cable operated

Transmission: 5 Speed, constant mesh

Final Drive: Chain, #630, O-ring sealed

Frame: Steel, double cradle frame

Front Suspension: 37mm Kayaba air assisted, adjustable spring preload and compression damping.

Front Wheel Travel: 150 mm / 5.9 in

Rear Suspension: Single Kayaba shock, adjustable spring preload and rebound damping.

Rear Wheel Travel: 114 mm / 4.4 in

Front Brakes: 2 x 275mm discs, 2 piston calipers

Rear Brakes: Single 275mm disc, 1 piston caliper

Front Tyre: 110/90-V16

Rear Tyre: 130/90-V17

Dimensions: Length 2240 mm / 88.2 in Width 730 mm / 28.7 in Height 1280 mm / 50.4 in

Wheelbase: 1 550 mm / 61.0 in

Ground Clearance: 155 mm / 6.1 in

Seat Height: 785 mm / 30.9 in

Dry Weight: 238 kg / 524 lbs

Wet Weight: 256 kg / 56.43 lbs

Fuel Capacity: 20 Litres / 5.2 US gal / 4.4 Imp gal

Road Test: Group Test 1985 Motosprint