Suzuki Gz 125 X (1999)
1999 Suzuki Gz 125 X
CarHunch analysed 132 real MOT records for the 1999 Suzuki Gz 125 X. This breakdown of actual test outcomes — pass rates, defect profiles, mileage data — isn't published anywhere else.
The 1999 Suzuki GZ 125 X has a serious reliability problem: only 24.8% pass their MOT first time, nearly a quarter of the UK average of 80%. While dangerous defects are rare at 3%, the petrol models struggle particularly badly with just a 20.6% first-time pass rate, suggesting systemic issues rather than isolated cases.
These bikes are turning up for test at a very low mileage—median of 11,885 miles for a 25-year-old machine—which suggests many owners are either shelving them or putting them away after encountering problems. With an average of 0.46 failures and 0.9 advisories per vehicle, expect corrosion, brake wear, and fuel system issues to crop up regularly; factor in at least one full inspection and likely remedial work before trusting this model for regular riding.
What to check before buying a 1999 Suzuki Gz 125 X
Practical pre-purchase checks for this age and model.
- 📋 Check the full MOT history. Look for recurring advisories — slow-building issues like corrosion or brake wear patterns show up years before they become failures. Enter the reg below for a full AI analysis.
- 🔍 Inspect for corrosion in person. Brake pipes, sills, subframes, and chassis legs. Surface rust is normal at this age; structural rust is a serious problem that's expensive to fix and can fail an MOT.
- 🛞 Check tyres and brakes. The most common advisory items at this age. Budget for replacement if they're near the limit — factor this into your offer price.
- 📄 Run an HPI check. The MOT history won't show outstanding finance, insurance write-offs, or stolen status — an HPI check will.
Before you buy a Suzuki Gz 125 X
MOT history is one piece of the puzzle. These checks can reveal what CarHunch can't.
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Pass Rate by Fuel Type
| Fuel type | Vehicles | Pass rate | Avg failures |
|---|---|---|---|
| Petrol (94%) | 124 | 20.6% | 0.46 |
| Other (6%) | 8 | 89.6% | 0.5 |
Mileage Distribution
Most 1999 Suzuki Gz 125 X vehicles sit in the blue band. If the car you're looking at is outside it, it's either unusually low or high mileage for its age.
Half of all 1999 Suzuki Gz 125 X vehicles fall between 7,922 and 15,549 miles.
MOT History Averages
Found a specific Suzuki Gz 125 X?
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