Should I check the MOT history before buying a 2003 Suzuki Gn125?

Yes. Look for recurring advisories — slow-building issues like corrosion or brake wear patterns show up years before they become failures. A full MOT history analysis will highlight patterns that a single test result won't reveal.

What corrosion should I look for when inspecting a 2003 Suzuki Gn125?

Check brake pipes, sills, subframes, and chassis legs. Surface rust is normal at this age; structural rust is a serious problem that is expensive to fix and can fail an MOT.

How are tyres and brakes typically on a 2003 Suzuki Gn125?

Tyres and brakes are the most common advisory items on vehicles of this age. Budget for replacement if they are near the limit, and factor this into your offer price.

Is the 2003 Suzuki Gn125 reliable?

Based on MOT data from 188 vehicles, the 2003 Suzuki Gn125 has a first-time MOT pass rate of 81.4%, indicating generally reliable for its class. Always check the full MOT history of any specific vehicle before buying.

What are common problems with the 2003 Suzuki Gn125?

The most frequently recorded MOT issues on the 2003 Suzuki Gn125 are: Rear Tyre worn close to the legal limit (45.5% of vehicles), Drive chain worn but not considered excessive (34.6% of vehicles), Drive chain slightly loose (31.4% of vehicles). These figures are based on actual MOT test records — search a specific registration on CarHunch to see its individual history.

Do I need an HPI check when buying a 2003 Suzuki Gn125?

Yes. The MOT history will not show outstanding finance, insurance write-offs, or stolen status. An HPI check covers these areas and should be part of any used car purchase.

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Suzuki Gn125 (2003)

188 real MOT outcomes analysed • 81.4% first-time pass rate

2003 Suzuki Gn125

CarHunch analysed 188 real MOT records for the 2003 Suzuki Gn125. Real test outcomes — pass rates, defect profiles, mileage data — from verified DVLA records. Updated as new MOTs are recorded.
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AI Analysis Reliability Overview Common Issues Check a Specific Reg Buyer's Checklist Pass Rate by Fuel Mileage Distribution Still on the Road MOT Averages Compare Models

The 2003 Suzuki GN125 just edges past the UK average with an 81.4% first-time pass rate, though nearly one in five bikes have recorded a dangerous defect at some point, which is a meaningful concern for a buyer. This is a reliable workhorse overall, but you're looking at nearly two failures per vehicle on average across its lifetime.

These bikes are running relatively light at just over 15,000 miles on average for their age, which suggests many have been kept as weekend rides or gentle commuters rather than ridden hard. With 4.6 advisories per bike flagged during tests, wear and tear on consumables like chains, sprockets and brake pads is the norm—so budget for regular maintenance and always check service history before you buy.

We have limited data for the 2003 Suzuki Gn125 — treat the figures below as indicative rather than definitive.

⚠️ Around 1 in 8 of these vehicles have had a dangerous MOT failure at some point — usually tyres or brakes, and often a one-off issue rather than a persistent problem. The group stats won't tell you which one you're looking at.

First-time pass

81.4%

UK average ~80%

Around average

Dangerous (ever)

18.6%

At least once in MOT history

Check this vehicle

Avg failures / car

1.84

Over 9.3 tests on record

High

Typical mileage

13k

Middle half: 8k–20k

For context

These stats describe 188 vehicles as a group. The specific vehicle you're looking at could be the one good example or the one outlier. Run its registration to find out.

Average reliability — agree?

What tends to go wrong

Across 188 vehicles — figures show how many had each issue flagged at least once in their MOT history.

Tyre wear 45.5%

Rear Tyre worn close to the legal limit · Front Tyre worn close to the legal limit · Rear Tyre tread depth is below minimum requirements of 1.0mm

Budget for a full set — on a vehicle this age, tyres are expected consumables. An inspection will confirm how much is left.

Other issues 34.6%

Drive chain worn but not considered excessive · Drive chain excessively loose · Drive chain worn to excess · …

Lighting 31.4%

Drive chain slightly loose · Rear Drive chain sprocket slightly worn · Headlamp aim too high · …

Usually cheap to fix. Worth confirming all lights work before collecting.

Brake wear 18.8%

Front Brake pad(s) close to minimum limit · Front Brake pad(s) less than 1.5 mm thick

Ask the seller when brakes were last serviced. If they don't know, factor in the cost.

Suspension & steering 14.1%

Rear wheel bearings have slight free play · Steering movement slightly 'notchy' · Nearside Front shock absorber has light misting of stanchion

Harder to spot without a ramp — this is a good reason to book a pre-purchase inspection.

Data covers a 3-year window centred on 2003.

See this vehicle's full MOT history & AI hunches

Spot recurring advisories, hidden issues, and how it compares to 188 Suzuki Gn125 cars.

Before you buy a 2003 Suzuki Gn125

Based on MOT data from 188 vehicles — here's what to check.

📋 Check the full MOT history. 18.6% of these vehicles have had a dangerous defect recorded - recurring advisories often signal problems years before they become failures.
Search the reg on CarHunch for the full MOT history, reliability stats and a free AI-powered analysis of that exact vehicle.
🔍 Brake pipes, sills and subframes are the key areas on a vehicle this age — structural rust is hard to spot without getting underneath. A mechanic will check all of this before you commit, and give you a concrete basis to negotiate on price. Inspection →
📄 Outstanding finance, insurance write-offs and clocking won't appear in the MOT records — a dedicated history check covers all of this. Our link gets you 20% off automatically. History Get 20% off via CarHunch

Pass Rate by Fuel Type

Fuel type	Vehicles	Pass rate	Avg failures
Petrol (99%)	186	81.2%	1.86

Mileage Distribution

Most 2003 Suzuki Gn125 vehicles sit in the blue band. If the vehicle you're looking at is outside it, it's either unusually low or high mileage for its age.

13,418

typical

8,150

low mileage

19,725

high mileage

Half of all 2003 Suzuki Gn125 vehicles fall between 8,150 and 19,725 miles.

Is the mileage you're seeing normal?

✓ Under 8,150 miles — lower than most. Could be great, or could be a vehicle that rarely moved. Check test frequency and mileage progression in the MOT history.

✓ 8,150–19,725 miles — normal for age. This is where most 2003 Suzuki Gn125s sit.

⚠ Over 26,628 miles — higher than typical. Not necessarily a problem, but check service history and look out for advisory build-up on tyres and brakes.

2003 Suzuki Gn125 — Still on the Road

Numbers are thinning — 24% of 2003 Suzuki Gn125s are still active.

Numbers are declining — 21 vehicles still getting MOTs in 2025 (24% of peak).

Based on vehicles from this manufacture year that had at least one MOT test in each calendar year. Data from 2014–2025.
* The 2020 dip reflects the government's COVID-19 MOT exemption, which allowed certificates to be extended by six months — fewer tests were conducted that year.

MOT History Averages

9.3

Avg MOT tests per vehicle

1.84

Avg failures per vehicle

4.6

Avg advisories per vehicle

Other model years — Suzuki Gn125: All Gn125 years → Which year to buy? →

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Or browse all models: Suzuki →

Compare with another model

See how the 2003 Suzuki Gn125 stacks up against a rival.

Average reliability — agree?