Data as of: DVSA MOT results to 2025
Suzuki GSX550: MOT pass rate by registration year
Which GSX550 years pass first time, and which fall short of the model's 76.0% average, from 988 DVSA tests.
Pass rate by registration year
Highest pass rate: 1984 (83.2% of 119 tests). Lowest: 1987 (66.1% of 115). Years more than two points below the model average: 1987, 1988.
| Registered | Tests | First-time pass | vs model (76.0%) |
|---|---|---|---|
| 1983 | 193 | 76.2% | +0.2 pp |
| 1984 | 119 | 83.2% | +7.2 pp |
| 1985 | 232 | 75.0% | -1.0 pp |
| 1986 | 172 | 80.2% | +4.2 pp |
| 1987 | 115 | 66.1% | -9.9 pp |
| 1988 | 103 | 70.9% | -5.1 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 GSX550 years have the lowest MOT pass rate?
- 1987, 1988 registered examples pass first time less often than the Suzuki GSX550 overall (76.0%); the 1987 cohort is lowest at 66.1% from 115 tests.
- Which GSX550 year has the highest MOT pass rate?
- 1984, at 83.2% of 119 first tests (2005–2025). Years more than two points above the model average: 1984, 1986.
- How much does the GSX550 pass rate vary by year?
- 17.1 percentage points between the highest (1984, 83.2%) and lowest (1987, 66.1%) 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 GSX550 reliability, failures and mileage · ranked #4189 of 5428 models· other Suzuki models: GSXR600, GSF600, GSXR750, GSF1200, GSXR1000, SV650S