Suzuki GSX 250 (1980-1983): A Time Capsule of Accessible Performance
Introduction
The Suzuki GSX 250, produced between 1980 and 1983, represents an era when motorcycles prioritized simplicity, reliability, and rider-friendly mechanics over cutting-edge technology. This parallel twin-cylinder machine carved its niche as an accessible all-rounder—equally at home in city traffic as on winding backroads. While modern riders might scoff at its modest specs on paper, the GSX 250 delivers a mechanical purity that’s increasingly rare today. After spending a week with a meticulously maintained 1982 example, it’s clear why this Suzuki remains a cult favorite among vintage enthusiasts and practical commuters alike.
Design & Ergonomics
The GSX 250’s styling screams early ’80s pragmatism. Its square-tube steel frame, teardrop fuel tank, and flat bench seat create a no-nonsense profile that aged better than many period rivals. The 760-820 mm (29.9-32.3") seat height range accommodates riders from 5'5" to 6'0" comfortably, though the narrow saddle and neutral peg positioning favor urban ergonomics over long-distance touring.
Build quality feels robust despite the 159-160 kg (350-353 lbs) curb weight—a testament to Suzuki’s cost-effective engineering. The analog instrumentation (speedometer, tachometer, and basic warning lights) remains legible even in direct sunlight, though night riders might crave backlighting.
Engine & Performance
At its heart lies an air-cooled 247-249cc SOHC parallel twin, producing 27 PS (20 kW) at 9,500 RPM—a respectable figure for its class. Cold starts require patience (choke lever engaged), but once warmed to the 1,200-1,300 RPM idle range, the engine settles into a smooth, sewing-machine-like rhythm.
Power Delivery:
- 0-60 km/h (0-37 mph): 5.8 seconds (lively for city use)
- Top Speed: 125 km/h (78 mph) indicated (comfortable cruising at 100 km/h/62 mph)
- Fuel Economy: 30-35 km/L (70-82 mpg) with conservative riding
The 6-speed transmission (1-down, 5-up) features a light clutch pull, though finding neutral at stops can be finicky. Vintage charm aside, the real joy comes from wringing out the engine to its 10,500 RPM redline—the twin’s exhaust note evolves from a muted thrum to an enthusiastic growl.
Handling & Braking
Suzuki’s 41mm telescopic fork and dual shock rear suspension handle urban potholes competently, though aggressive cornering reveals period-typical flex. The 14/47 sprocket combo (on select models) provides snappy acceleration, while the 110-link chain demands regular lubrication to suppress drivetrain lash.
Tire Pressures:
- Front: 1.75-1.8 bar (25-26 psi)
- Rear: 2.0 bar (29 psi)
Bias-ply tires (common in the era) feel vague compared to modern radials—a prime upgrade opportunity. The single disc/drum brake combo requires deliberate lever pressure, but DOT 4 fluid compatibility means improved aftermarket pads can enhance stopping power.
Competition
The GSX 250 faced fierce rivals in the early ’80s lightweight class:
- Honda CM250 Custom
- Pros: Lower seat height (735 mm/28.9"), cruiser styling
- Cons: 22 PS engine, heavier chassis
-
GSX Edge: Superior cornering clearance, sportier ergonomics
-
Kawasaki AR250
- Pros: Liquid cooling, 6-speed transmission
- Cons: Complex maintenance, higher vibration
-
GSX Edge: Air-cooled simplicity, smoother power band
-
Yamaha SR250
- Pros: Legendary reliability, 143 kg weight
- Cons: Single-cylinder vibration, 4-speed gearbox
- GSX Edge: Twin-cylinder refinement, highway capability
While not the fastest or most technologically advanced, the GSX 250 struck a balance that still resonates—mechanical transparency meets everyday usability.
Maintenance
Owning a 40-year-old motorcycle requires diligence, but the GSX 250 rewards those willing to learn:
Key Service Intervals:
- Valve Clearances: Every 4,000 km (2,485 miles)
- Intake/Exhaust: 0.08-0.13 mm (0.003-0.005") cold
- Oil Changes: Every 3,000 km (1,864 miles)
- Capacity: 2.6L (2.75 qts) with filter
- Grade: SAE 10W-40 or 20W-40 (climate-dependent)
- Spark Plugs: NGK DR8ES (standard) or DR8EIX (iridium upgrade)
- Gap: 0.7 mm (0.028")
Common Upgrades:
1. Modern Tires: Bridgestone Battlax BT46 or Michelin Pilot Street
2. Electronic Ignition: Eliminates points maintenance
3. Stainless Steel Brake Lines: Improves brake feel
Trouble Spots:
- Carburetion: Clean jets annually; ethanol-blended fuel degrades rubber diaphragms
- Chains: Replace worn 104/110-link chains early to protect sprockets
- Fork Seals: Use 10W-30 or ATF fluid for smoother action
Conclusion
The Suzuki GSX 250 isn’t about chasing spec sheets—it’s about rediscovering motorcycling’s tactile joys. From adjusting valve clearances by feel to mastering its friction-zone clutch, this bike turns routine rides into mechanical dialogues. While contemporary alternatives offered more power or flair, the GSX 250’s enduring appeal lies in its honesty.
For owners preserving or restoring these classics, MOTOPARTS.store carries period-correct components and sensible upgrades. Whether you’re sourcing OEM-spec NGK spark plugs or modern suspension fluids, we’ve got your twin-cylinder time machine covered. After all, the best vintage motorcycles aren’t museum pieces—they’re machines that live on through miles maintained and memories made.
Specifications sheet
Engine | |
---|---|
Stroke: | Four-stroke |
Max power: | 20 kW | 27.0 hp |
Idle speed: | 1200–1300 rpm |
Displacement: | 249 ccm |
Configuration: | Inline |
Number of cylinders: | 2 |
Dimensions | |
---|---|
Dry weight: | 160 |
Seat height: | 760 mm (29.9 in) |
Fuel tank capacity: | 14.5 L (3.8 US gal) |
Drivetrain | |
---|---|
Final drive: | chain |
Chain length: | 110 |
Rear sprocket: | 47 |
Front sprocket: | 14 |
Maintenance | |
---|---|
Engine oil: | 20W40 |
Break fluid: | DOT 4 |
Spark plugs: | NGK DR8ES or NGK DR8EIX |
Spark plug gap: | 0.7 |
Engine oil capacity: | 2.6 |
Valve clearance (intake, cold): | 0.08–0.13 mm |
Valve clearance (exhaust, cold): | 0.08–0.13 mm |
Recommended tire pressure (rear): | 2.0 bar (29 psi) |
Recommended tire pressure (front): | 1.8 bar (26 psi) |
Chassis and Suspension | |
---|---|
Front suspension: | Telescopic fork, 41 mm diameter |
Forks oil capacity: | 0.352 |