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1980 Suzuki GS 750E Overview
The 1980 Suzuki GS 750E is a naked bike motorcycle built around 748 cc of displacement. Under the tank sits a Four stroke, transverse four cylinders, DOHC, 2 valve per cylinder engine, a compression ratio of 8.7:1. 1980 Suzuki GS 750E delivers 53.6 kW @ 8500 rpm of peak power and 60 Nm @ 8250 rpm of torque. The factory-quoted top speed stands at 180 km/h, making it a capable performer in its class. From a practical standpoint, the 1980 GS 750E tips the scales at 223 kg, carries a 18-litre fuel tank and spans a 1490 mm wheelbase. Scroll down for the complete 1980 Suzuki GS 750E spec sheet covering every technical detail from suspension travel to tyre sizes.
1980 GS 750E - Pros & Cons
Strengths
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⚡
Strong power output: 1980 Suzuki GS 750E makes 53.6 kW @ 8500 rpm with 60 Nm @ 8250 rpm of torque - competitive figures for its class.
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⛽
Large fuel range: The 18-litre tank is generously sized, translating to extended range between stops - ideal for touring or longer commutes.
Considerations
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ℹ️
Age-related wear: As with any used GS 750E, a thorough pre-purchase inspection covering consumables, service history and tyres is always recommended.
Owner Experiences & Common Issues
Low-speed confidence
At 223 kg, the GS 750E is a substantial machine. New owners occasionally mention that slow-speed manoeuvring in car parks takes a little getting used to. Once moving, the weight disappears - but practising slow-speed exercises builds confidence quickly.
GS 750E - Buying & Maintenance Guide
What to check before buying
When inspecting a used 1980 Suzuki GS 750E, start with the basics: check the service book for oil change frequency, inspect the chain and sprockets for wear, and look for oil seepage around the engine casings and rocker covers. A cold start test is invaluable - a well-maintained GS 750E should fire up cleanly and settle to a smooth idle within a few seconds.
Oil and filter changes
Regular oil changes are the single most important maintenance task on any GS 750E. Stick to the manufacturer's interval - typically every 6,000 km or once a year, whichever comes first. Always use the correct viscosity grade as specified in the owner's manual.
1980 Suzuki GS 750E - Frequently Asked Questions
What engine does the 1980 Suzuki GS 750E have?
The 1980 Suzuki GS 750E uses a Four stroke, transverse four cylinders, DOHC, 2 valve per cylinder. engine with 748 cc of displacement. It is air cooled.
What is the top speed of the 1980 Suzuki GS 750E?
The 1980 Suzuki GS 750E has a factory-quoted top speed of 180 km/h. Real-world speeds vary depending on rider weight, conditions and state of tune.
How much does the 1980 Suzuki GS 750E weigh?
The 1980 Suzuki GS 750E weighs 223 kg. This is the manufacturer's dry figure.
How much power does the 1980 Suzuki GS 750E make?
The 1980 Suzuki GS 750E produces 53.6 kW @ 8500 rpm of power and 60 Nm @ 8250 rpm of torque. These are peak figures.
What is the fuel tank capacity of the 1980 Suzuki GS 750E?
The 1980 Suzuki GS 750E has a 18-litre fuel tank. At around 5-6 litres per 100 km, that is roughly 300-360 km between stops.
What brakes does the 1980 Suzuki GS 750E have?
The 1980 Suzuki GS 750E uses Single 292 mm disc, 1 piston caliper at the front and Single 292 mm disc ,1 piston caliper at the rear.
What tyre sizes does the 1980 Suzuki GS 750E use?
The 1980 Suzuki GS 750E runs 3.25 H19 front and 4 H18 rear tyres. A good selection of sport, touring and all-weather rubber is available in these sizes.
What gearbox does the 1980 Suzuki GS 750E have?
The 1980 Suzuki GS 750E is fitted with a 5 Speed transmission.
Suzuki GS 750E Spec Evolution
The Suzuki GS 750E was produced across 4 model years (1978-1981). The table below highlights the key specifications that changed across the production run - useful whether you are comparing years or tracking down a specific variant.
| Specification |
1978 |
1979 |
1980 |
1981 |
| Top Speed |
180 km/h / 112 mph |
180 km/h / 112 mph |
180 km/h / 112 mph |
198.0 km/h / 123.0 mph |
| Fuel Capacity |
18 Litres / 4.8 US gal / 4.0 Imp gal |
18 Litres / 4.8 US gal / 4.0 Imp gal |
18 Litres / 4.8 US gal / 4.0 Imp gal |
18.00 litres / 4.76 gallons |
| Brakes - Front |
Single 292 mm disc, 1 piston caliper |
Single 292 mm disc, 1 piston caliper |
Single 292 mm disc, 1 piston caliper |
Dual disc |
| Brakes - Rear |
Single 292 mm disc ,1 piston caliper |
Single 292 mm disc ,1 piston caliper |
Single 292 mm disc ,1 piston caliper |
Single disc |
| Final Drive |
Chain, 630SO 96 link, O-ring .81/2 in. free-play |
Chain, 630SO 96 link, O-ring .81/2 in. free-play |
Chain, 630SO 96 link, O-ring .81/2 in. free-play |
Chain |
| Tyres - Front |
3.25 H19 |
3.25 H19 |
3.25 H19 |
3.25-19 |
| Tyres - Rear |
4.00 H18 |
4.00 H18 |
4.00 H18 |
4.00-18 |
Key Specifications
Engine
Four stroke, transverse four cylinders, DOHC, 2 valve per cylinder.
Power
53.6 kW / 72 hp @ 8500 rpm
Torque
60 Nm / 6.1 kgf-m / 44.2 lb-ft @ 8250 rpm
Top Speed
180 km/h / 112 mph
Fuel Capacity
18 Litres / 4.8 US gal / 4.0 Imp gal
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Full 1980 Suzuki GS 750E Specifications
Year
1980
Make Model
Suzuki GS 750E
Wheelbase
1490 mm / 58.7 in
Ground Clearance
150 mm / 5.9 in
Height
1170 mm / 46.1in
Length
2225 mm / 87.6 in
Turning Circle
2.5 m / 8.5 ft
Width
870 mm / 34.3 in
Dry Weight
223 kg / 492 lbs.
Fuel Capacity
18 Litres / 4.8 US gal / 4.0 Imp gal
Displacement
748 cc / 45.6 cu in
Engine Detail
Four stroke, transverse four cylinders, DOHC, 2 valve per cylinder.
Bore x Stroke
65 x 56.4 mm
Compression Ratio
8.7:1
Cooling System
Air cooled
Fuel Consumption
6.4 L/100 km / 15.6 km/l / 36.7 US mpg / 44.1 Imp mpg
Fuel Induction
4 x Mikuni VM26SS carburators
Fuel Reserve
2 Litres / 0.5 US gal / 0.44 Imp gal
Ignition
Battery, coil
Lubrication
Wet sump
Spark Plug
NGK B8ES
Starter
Electric & kick
Battery Capacity
12V 14AH/10 hr.
Clutch
Wet multi-plate
Final Drive
Chain, 630SO 96 link, O-ring .81/2 in. free-play
Final Drive Ratio
2.733 (41/15)
Gear Ratios
1st 2.571 (36/14) / 2nd 1.777 (32/18) / 3rd 1.380(29/21) / 4th 1.125 (27/24) / 5th 0.961 (25/26)
Primary Drive Ratios
2.152 (99/46)
Transmission / Drive
5 Speed
Suspension - Front
35mm Kayaba with anti dive adjustable air pressure.
Suspension - Rear
Dual shocks adjustable preload and spring rebound damping.
Steering Angle
40°
Steering Head Angle
63°
Trail
107 mm / 4.21 in
Brakes - Front
Single 292 mm disc, 1 piston caliper
Brakes - Rear
Single 292 mm disc ,1 piston caliper
Tyres - Front
3.25 H19
Tyres - Rear
4.00 H18
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