Honda NSS 350 A-N MOT pass rate and common failures
Honda NSS 350 A-N motorcycles pass the MOT 94.85% of the time, measured across 466 tests in the DVSA record. A further 1.07% 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 tread depth is below minimum requirements of 1.0mm - it accounts for 42.1% of failed tests on this model.
- Then check excessively stiff or notchy and has a major leak of exhaust gases, the next two most common reasons.
- The most common advisory is tread depth is below minimum requirements of 1.0mm (4.9% of all tests) - not a failure, but money you will spend sooner or later.
- Average recorded mileage at test is 9,147 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 | |
|---|---|---|---|
| 3-5 years | 94.85% | 466 |
Why the Honda NSS 350 A-N 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 | Tread depth is below minimum requirements of 1.0mm | 42.1% | 8 | |
| 2 | Excessively stiff or notchy | 31.6% | 6 | |
| 3 | Has a major leak of exhaust gases | 26.3% | 5 | |
| 4 | Less than 1.0 mm thick | 15.8% | 3 | |
| 5 | Too low | 10.5% | 2 | |
| 6 | Adversely affected by the operation of another lamp | 5.3% | 1 | |
| 7 | Ball joint excessively worn | 5.3% | 1 | |
| 8 | Does not conform to the specified requirements | 5.3% | 1 | |
| 9 | Has a cut in excess of the requirements deep enough to reach the ply or cords | 5.3% | 1 | |
| 10 | In such a condition that it is seriously weakened | 5.3% | 1 |
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 | 4.9% | 23 | |
| 2 | Excessively stiff or notchy | 4.7% | 22 | |
| 3 | Less than 1.0 mm thick | 2.1% | 10 | |
| 4 | Has a major leak of exhaust gases | 1.7% | 8 | |
| 5 | Tread not clearly visible | 1.5% | 7 | |
| 6 | Indicates excessive fluctuation of brake effort | 1.3% | 6 | |
| 7 | In such a condition that it is seriously weakened | 1.1% | 5 | |
| 8 | Significantly and obviously worn | 0.6% | 3 | |
| 9 | Nail in tyre | 0.4% | 2 | |
| 10 | Has excessive play | 0.2% | 1 |
Honda NSS 350 A-N for sale
No Honda NSS 350 A-N in stock at the moment - 74 other Honda bikes are advertised.
Similar bikes compared
Models of comparable capacity, so the comparison means something.
| Model | Tests | Pass rate | Avg mileage | |
|---|---|---|---|---|
| Piaggio VESPA GTS · 240-300cc | 4,305 | 92.15% | 9,875 | |
| Honda CRF 220-250cc · 220-250cc | 2,452 | 89.76% | 7,549 | |
| Royal Enfield HIMALAYAN · 411cc | 2,371 | 88.49% | 8,163 | |
| Royal Enfield METEOR 350 · 349cc | 2,133 | 93.95% | 4,543 | |
| Honda NSS 250-297cc · 250-297cc | 1,397 | 90.34% | 17,407 | |
| Honda CRF 300 LA-M · 286cc | 1,297 | 88.43% | 3,963 |
Source: DVSA MOT testing data, 2025 · updated Aug 2026 · licence and method