Data as of: DVSA MOT results to 2025
Suzuki GS550: MOT pass rate by registration year
Which GS550 years pass first time, and which fall short of the model's 77.3% average, from 4,838 DVSA tests.
Pass rate by registration year
Highest pass rate: 1985 (83.9% of 124 tests). Lowest: 1983 (74.5% of 337). Years more than two points below the model average: 1982, 1983.
| Registered | Tests | First-time pass | vs model (77.3%) |
|---|---|---|---|
| 1977 | 218 | 83.5% | +6.2 pp |
| 1978 | 646 | 75.9% | -1.4 pp |
| 1979 | 568 | 78.7% | +1.4 pp |
| 1980 | 1,055 | 76.7% | -0.6 pp |
| 1981 | 936 | 77.4% | +0.1 pp |
| 1982 | 597 | 75.0% | -2.3 pp |
| 1983 | 337 | 74.5% | -2.8 pp |
| 1984 | 166 | 80.7% | +3.4 pp |
| 1985 | 124 | 83.9% | +6.6 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 GS550 years have the lowest MOT pass rate?
- 1982, 1983 registered examples pass first time less often than the Suzuki GS550 overall (77.3%); the 1983 cohort is lowest at 74.5% from 337 tests.
- Which GS550 year has the highest MOT pass rate?
- 1985, at 83.9% of 124 first tests (2005–2025). Years more than two points above the model average: 1977, 1984, 1985.
- How much does the GS550 pass rate vary by year?
- 9.4 percentage points between the highest (1985, 83.9%) and lowest (1983, 74.5%) 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 GS550 reliability, failures and mileage · ranked #4013 of 5428 models· other Suzuki models: GSXR600, GSF600, GSXR750, GSF1200, GSXR1000, SV650S