14 August. Friday 2026
Suzuki GS 125 ESF - 1989 Specifications and Reviews
The 1989 Suzuki GS 125 ESF is an entry-level naked bike designed for new riders and commuters seeking an affordable, reliable motorcycle. Its lightweight single-cylinder engine delivers modest power ideal for urban riding and learning, while the simple carbureted setup and electronic ignition ensure easy maintenance and dependable performance.
1989
General information | |
| Category | Naked bike |
| Year | 1989 |
| Model | Suzuki GS 125 ESF |
Engine and Transmission Specifications | |
| Clutch | Wet plate |
| Transmission typefinal drive | Chain |
| Gearbox | 5-speed |
| Cooling system | Air |
| Lubrication system | Pressure fed, wet sump |
| Starter | Electric |
| Ignition | Electronic, transistor controlled |
| Fuel control | OHC |
| Valves per cylinder | 2 |
| Fuel system | Carburettor. Mikuni VM24SS 24 mm |
| Bore x stroke | 57.0 x 48.8 mm (2.2 x 1.9 inches) |
| Compression | 9.5:1 |
| Max RPM | 10000 |
| Power | 13.27 |
| Stroke | 4 |
| Engine type | Single cylinder |
| Capacity: | 124.00 ccm (7.57 cubic inches) |
| | |
Physical measures and capacities | |
| Wheelbase | 1,270 mm (50.0 inches) |
| Ground clearance | 170 mm (6.7 inches) |
| Overall width | 710 mm (28.0 inches) |
| Overall length | 1,945 mm (76.6 inches) |
| Overall height | 1,122 mm (44.2 inches) |
| Seat height | 745 mm (29.3 inches) If adjustable, lowest setting. |
| Dry weight | 103.0 kg (227.1 pounds) |
Suzuki GS 125 ESF dimensions and frame | |
| Exhaust system | Signle pipe |
| Rear brakes | Expanding brake (drum brake) |
| Front brakes | Single disc |
Speed and acceleration | |
| Power/weight ratio | 0.1288 HP/kg |
| Top speed | 114.7 km/h (71.3 mph) |
| | |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Reserve fuel capacity | 1.60 litres (0.42 gallons) |
| Fuel capacity | 11.00 litres (2.91 gallons) |
Performance Profile & Rider Fit
13.3 hp
Peak Power
71.3 mph
Top Speed
Best For
Track10%
City85%
Cornering55%
Daily Riding75%
Touring20%
Passenger25%
Rider Profile
| Best For | Ideal for beginners or new riders building confidence, including those on a learner license. |
| Purpose | Built for light commuting, city errands, and learning the basics of riding rather than performance or distance work. |
| Rider Fit | Very light and low, easy to handle for smaller or less experienced riders and simple to manage at a stop. |
| Character | A humble, easygoing single-cylinder commuter that prioritizes simplicity and low running costs over excitement. |
| Not Ideal For | Not suited to highway touring, carrying a passenger comfortably, or riders wanting real acceleration or power. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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