Data as of: DVSA MOT results to 2025
Suzuki GN400: MOT pass rate by registration year
Which GN400 years pass first time, and which fall short of the model's 77.1% average, from 536 DVSA tests.
Pass rate by registration year
Highest pass rate: 1981 (80.7% of 109 tests). Lowest: 1980 (69.0% of 58). Years more than two points below the model average: 1980.
| Registered | Tests | First-time pass | vs model (77.1%) |
|---|---|---|---|
| 1980 | 58 | 69.0% | -8.1 pp |
| 1981 | 109 | 80.7% | +3.6 pp |
| 1982 | 348 | 77.0% | -0.1 pp |
Older cohorts are survivors: the worst examples have already left the road, which tends to lift the earliest years. A first-time MOT pass is a roadworthiness check, not a full mechanical inspection.
Pass rate over time
Questions
- Which GN400 years have the lowest MOT pass rate?
- 1980 registered examples pass first time less often than the Suzuki GN400 overall (77.1%); the 1980 cohort is lowest at 69.0% from 58 tests.
- Which GN400 year has the highest MOT pass rate?
- 1981, at 80.7% of 109 first tests (2005–2025).
- How much does the GN400 pass rate vary by year?
- 11.7 percentage points between the highest (1981, 80.7%) and lowest (1980, 69.0%) cohorts with at least 50 tests. Older cohorts are survivors: the worst examples have already left the road, which tends to lift the earliest years.
Full report: Suzuki GN400 reliability, failures and mileage · ranked #4044 of 5428 models· other Suzuki models: GSXR600, GSF600, GSXR750, GSF1200, GSXR1000, SV650S