Data as of: DVSA MOT results to 2025
Suzuki GS450: MOT pass rate by registration year
Which GS450 years pass first time, and which fall short of the model's 77.7% average, from 1,039 DVSA tests.
Pass rate by registration year
Highest pass rate: 1983 (85.9% of 78 tests). Lowest: 1980 (73.2% of 97). Years more than two points below the model average: 1980, 1981, 1988.
| Registered | Tests | First-time pass | vs model (77.7%) |
|---|---|---|---|
| 1980 | 97 | 73.2% | -4.5 pp |
| 1981 | 74 | 74.3% | -3.4 pp |
| 1983 | 78 | 85.9% | +8.2 pp |
| 1986 | 146 | 80.1% | +2.4 pp |
| 1987 | 130 | 76.2% | -1.5 pp |
| 1988 | 158 | 75.3% | -2.4 pp |
| 1989 | 131 | 79.4% | +1.7 pp |
| 1990 | 82 | 76.8% | -0.9 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 GS450 years have the lowest MOT pass rate?
- 1980, 1981, 1988 registered examples pass first time less often than the Suzuki GS450 overall (77.7%); the 1980 cohort is lowest at 73.2% from 97 tests.
- Which GS450 year has the highest MOT pass rate?
- 1983, at 85.9% of 78 first tests (2005–2025). Years more than two points above the model average: 1983, 1986.
- How much does the GS450 pass rate vary by year?
- 12.7 percentage points between the highest (1983, 85.9%) and lowest (1980, 73.2%) 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 GS450 reliability, failures and mileage · ranked #3952 of 5428 models· other Suzuki models: GSXR600, GSF600, GSXR750, GSF1200, GSXR1000, SV650S