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All Bikes/Suzuki/Gsxr 125
Suzuki Gsxr 125
Supersport

Suzuki Gsxr 125

The Suzuki Gsxr 125 has a top speed of ~110 km/h, produces 15 hp and weighs 134 kg. Motoryk rates it 7.5/10.

The Suzuki GSX-R125 was introduced in 2017 as part of Suzuki's effort to bring the iconic GSX-R supersport styling and heritage to the A1 licence category, targeting new and young riders in Europe and Asia. It shares the aggressive bodywork lineage of its larger GSX-R siblings while offering a beginner-friendly 125cc platform. The model has been notable for bringing genuine sportbike aesthetics and reasonable performance to the entry-level segment, competing directly with offerings like the Honda CBR125R and Yamaha YZF-R125.

15 hp

Power

11.5 Nm

Torque

134 kg

Weight

~110 km/h

Top Speed

2.5 L/100km or ~40 km/L (typical real-world average)

Fuel

Faired

Body

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Video Review

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What Buyers Should Know

⚙️

Reliable Fuel-Injected Engine

The GSX-R125 uses a fuel-injected 124cc single-cylinder engine that delivers consistent performance and easier cold starts compared to older carbureted 125s. Routine maintenance is straightforward, making it a solid choice for new riders.

🔍

Watch the Coolant System

Being a liquid-cooled engine, buyers should inspect the coolant reservoir and radiator for leaks or overheating history, as neglected cooling systems are a known concern on used examples. Always check service records for coolant changes.

💰

Strong Resale Value

The GSX-R125 holds its value well in the A1 licence category due to its sporty styling and the Suzuki brand reputation. Low-mileage examples in good condition are consistently in demand among new riders upgrading or entering motorcycling.

Generations & Specs by Year

2017–2021 Gen 1

Initial release; 125cc single-cylinder liquid-cooled engine, full fairing, ABS option, aggressive GSX-R styling.

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2022–2024 Gen 2

Updated graphics and colour schemes, revised suspension tuning, Euro 5 emissions compliance introduced.

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Used Buyer Review

7.5/10
Best for
New A1 licence riders wanting serious style

"Best-looking 125 available, but buy carefully and service immediately."

$3,500-$5,500 used

Let's be straight — the GSX-R125 is genuinely one of the sharpest-looking 125s money can buy used, and Suzuki nailed the styling. It genuinely looks like a miniature GSX-R1000, which matters when you're a new rider who doesn't want to feel embarrassed pulling up anywhere. The single-cylinder 125cc engine is rev-happy and smooth, making it forgiving for learners while still putting a grin on your face through twisty backroads. Used examples do have some watch-outs though. Check the fairings carefully — these bikes attract younger riders and the plastics crack easily. The rear shock is pretty agricultural on anything but glassy smooth tarmac, which becomes annoying fast. Service history matters here too; that engine needs regular oil changes and the valve clearances checked, because neglected examples get noisy and lose what little power they had. Budget around $200-300 for a proper service if the history is patchy.

Pros
Cons
Skip if: You already have full licence experience

Top 10 Accessories

Curated picks for the Suzuki Gsxr 125 — owned, ridden, recommended.

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Common Problems

🔥 1 CRITICAL
⚠️Carburetor clogging from ethanol fuel MODERATE

Rough idle, hesitation, hard starting when warm

Fix cost: $50-$150
⚠️Cam chain tensioner wear and noise MODERATE

Rattling on startup, listen near engine top

Fix cost: $80-$200
🔥Rectifier regulator failure SERIOUS

Battery draining fast, check charging voltage output

Fix cost: $60-$120
⚠️Fork seal leaks from neglect MODERATE

Oil residue on lower fork legs, soft handling

Fix cost: $100-$180

Pre-Purchase Checklist

Cold start the bike yourself first
Check service history and oil condition
Inspect frame for crash damage welds
Test ride above 8000 RPM hard

Reliable if maintained, avoid neglected examples

Full Specifications

Engine Power 15 hp @ 10,000 rpm
Torque 11.5 Nm @ 8,000 rpm
Top Speed ~110 km/h
Weight 134 kg (wet/curb weight)
Fuel Consumption 2.5 L/100km or ~40 km/L (typical real-world average)
Type Supersport
Fairing Full/Partial Fairing

Rivals & Alternatives

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Compare Suzuki Gsxr 125 Side-by-Side

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Specs, power, weight & buyer verdict — head-to-head with the bikes most often cross-shopped.

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Community Reviews

Discussion

Frequently Asked Questions

What are common problems with the Suzuki Gsxr 125? +

Carburetor clogging from ethanol fuel: Rough idle, hesitation, hard starting when warm (moderate) | Cam chain tensioner wear and noise: Rattling on startup, listen near engine top (moderate) | Rectifier regulator failure: Battery draining fast, check charging voltage output (serious)

Is the Suzuki Gsxr 125 a good motorcycle? +

Best-looking 125 available, but buy carefully and service immediately. Rating: 7.5/10. Best for: New A1 licence riders wanting serious style. Avoid if: You already have full licence experience.

What is the horsepower of the Suzuki Gsxr 125? +

The Suzuki Gsxr 125 produces 15 hp @ 10,000 rpm, with 11.5 Nm @ 8,000 rpm of torque. Top speed: ~110 km/h.

Is the Suzuki Gsxr 125 good for beginners? +

Yes — the Suzuki Gsxr 125 is a reasonable choice for new riders (15 hp is manageable), weighing 134 kg. New A1 licence riders wanting serious style

Is the Suzuki Gsxr 125 reliable? +

Owners report 1 critical issue to watch for on the Suzuki Gsxr 125, notably: Rectifier regulator failure (Battery draining fast, check charging voltage output). Buy with a pre-purchase inspection.

Is the Suzuki Gsxr 125 good for daily use? +

New A1 licence riders wanting serious style Fuel: 2.5 L/100km or ~40 km/L (typical real-world average).

How fast is the Suzuki Gsxr 125? +

The Suzuki Gsxr 125 reaches a top speed of ~110 km/h, producing 15 hp at 134 kg curb weight. Real-world performance depends on rider weight, gearing, and road conditions.

What gear should I buy for a Suzuki Gsxr 125? +

Motoryk has curated a Top 10 gear list specifically for the Suzuki Gsxr 125, covering engine oil, tires, chain, battery, and brake pads — see motoryk.com/bikes/suzuki/gsxr-125/top10. Each pick is matched to this bike's spec.