Suzuki GSX 650 FK8 MOT pass rate and common failures
Suzuki GSX 650 FK8 motorcycles pass the MOT 83.71% of the time, measured across 350 tests in the DVSA record. A further 6% passed only after a defect was put right at the test station.
What to check before the MOT
Built from this model's own failure record, not general advice.
- Start with not working - it accounts for 41.7% of failed tests on this model.
- Then check has a serious fluid leak and missing, the next two most common reasons.
- The most common advisory is tread depth is below minimum requirements of 1.0mm (8.3% of all tests) - not a failure, but money you will spend sooner or later.
- Average recorded mileage at test is 25,922 miles, which is the number to compare any advert against.
Pass rate by age
A single pass rate hides the most useful thing in this data: how the same model behaves at three years old and at fifteen.
| Age at test | Pass rate | Tests | |
|---|---|---|---|
| 11-15 years | 81.82% | 44 | |
| 16+ years | 83.99% | 306 |
Why the Suzuki GSX 650 FK8 fails
Share of failed tests on this model where the item was recorded. One test can fail on several items, so the column does not add up to 100%.
| # | Item | Of failures | Tests | |
|---|---|---|---|---|
| 1 | Not working | 41.7% | 15 | |
| 2 | Has a serious fluid leak | 27.8% | 10 | |
| 3 | Missing | 25% | 9 | |
| 4 | Insecure | 22.2% | 8 | |
| 5 | Indicates excessive fluctuation of brake effort | 13.9% | 5 | |
| 6 | Inoperative in the case of a single lamp or all lamps | 13.9% | 5 | |
| 7 | Does not illuminate by the operation of both brake controls | 8.3% | 3 | |
| 8 | Grip insecure to handlebar | 8.3% | 3 | |
| 9 | Too low | 8.3% | 3 | |
| 10 | Tread depth is below minimum requirements of 1.0mm | 8.3% | 3 |
Most common advisories
Not a failure and not a legal requirement to fix - but an advisory that repeats year after year is money the next owner spends.
| # | Item | Of all tests | Tests | |
|---|---|---|---|---|
| 1 | Tread depth is below minimum requirements of 1.0mm | 8.3% | 29 | |
| 2 | Noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition | 6.9% | 24 | |
| 3 | Indicates excessive fluctuation of brake effort | 5.1% | 18 | |
| 4 | Less than 1.0 mm thick | 4.6% | 16 | |
| 5 | Excessively binding | 2% | 7 | |
| 6 | Excessively loose | 2% | 7 | |
| 7 | Has a serious fluid leak | 1.7% | 6 | |
| 8 | Has excessive play | 1.7% | 6 | |
| 9 | Has a major leak of exhaust gases | 1.4% | 5 | |
| 10 | Corroded to the extent that the rigidity of the assembly is significantly reduced | 0.9% | 3 |
Suzuki GSX 650 FK8 for sale
No Suzuki GSX 650 FK8 in stock at the moment - 529 other Suzuki bikes are advertised.
Similar bikes compared
Models of comparable capacity, so the comparison means something.
| Model | Tests | Pass rate | Avg mileage | |
|---|---|---|---|---|
| Honda CB 397-750cc · 397-750cc | 5,400 | 89.76% | 19,444 | |
| Honda NC · 741cc | 5,311 | 89.53% | 22,765 | |
| Suzuki GSF600 · 600cc | 4,890 | 80% | 29,308 | |
| Honda CBR600F · 599cc | 4,710 | 85.56% | 30,651 | |
| Kawasaki ZX-6R · 599-636cc | 4,510 | 81.62% | 26,019 | |
| Suzuki SV650 · 646cc | 3,834 | 80.99% | 27,644 |
Source: DVSA MOT testing data, 2025 · updated Aug 2026 · licence and method