Honda NSS 350 A-M MOT pass rate and common failures
Honda NSS 350 A-M motorcycles pass the MOT 95.36% of the time, measured across 345 tests in the DVSA record. A further 0.87% 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 38.5% of failed tests on this model.
- Then check has a serious fluid leak and indicates excessive fluctuation of brake effort, 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 12,465 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 | 95.36% | 345 |
Why the Honda NSS 350 A-M 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 | 38.5% | 5 | |
| 2 | Has a serious fluid leak | 15.4% | 2 | |
| 3 | Indicates excessive fluctuation of brake effort | 15.4% | 2 | |
| 4 | Less than 1.0 mm thick | 15.4% | 2 | |
| 5 | Remains on when the brakes are released | 15.4% | 2 | |
| 6 | Contaminated | 7.7% | 1 | |
| 7 | Effort inadequate at a wheel | 7.7% | 1 | |
| 8 | Has a major leak of exhaust gases | 7.7% | 1 | |
| 9 | Has a tear caused by separation or partial failure of its structure | 7.7% | 1 | |
| 10 | Has negligible damping effect | 7.7% | 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% | 17 | |
| 2 | Excessively stiff or notchy | 4.1% | 14 | |
| 3 | Less than 1.0 mm thick | 2% | 7 | |
| 4 | Indicates excessive fluctuation of brake effort | 1.4% | 5 | |
| 5 | Has a major leak of exhaust gases | 1.2% | 4 | |
| 6 | Has a serious fluid leak | 0.9% | 3 | |
| 7 | Is bent and the brake cannot be readily applied | 0.9% | 3 | |
| 8 | Tread not clearly visible | 0.9% | 3 | |
| 9 | Has excessive wear or free play | 0.6% | 2 | |
| 10 | In such a condition that it is seriously weakened | 0.6% | 2 |
Honda NSS 350 A-M for sale
No Honda NSS 350 A-M 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