Data as of: DVSA MOT results to 2025
Honda CB450: MOT pass rate by registration year
Which CB450 years pass first time, and which fall short of the model's 78.5% average, from 3,797 DVSA tests.
Pass rate by registration year
Highest pass rate: 1969 (96.2% of 53 tests). Lowest: 1993 (65.3% of 124). Years more than two points below the model average: 1986, 1990, 1991, 1992, 1993.
| Registered | Tests | First-time pass | vs model (78.5%) |
|---|---|---|---|
| 1966 | 135 | 92.6% | +14.1 pp |
| 1967 | 67 | 94.0% | +15.5 pp |
| 1968 | 61 | 88.5% | +10.0 pp |
| 1969 | 53 | 96.2% | +17.7 pp |
| 1970 | 63 | 87.3% | +8.8 pp |
| 1971 | 100 | 83.0% | +4.5 pp |
| 1972 | 121 | 88.4% | +9.9 pp |
| 1973 | 55 | 92.7% | +14.2 pp |
| 1974 | 56 | 83.9% | +5.4 pp |
| 1982 | 55 | 83.6% | +5.1 pp |
| 1986 | 96 | 75.0% | -3.5 pp |
| 1989 | 799 | 77.2% | -1.3 pp |
| 1990 | 751 | 76.2% | -2.3 pp |
| 1991 | 612 | 75.0% | -3.5 pp |
| 1992 | 454 | 75.8% | -2.7 pp |
| 1993 | 124 | 65.3% | -13.2 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 CB450 years have the lowest MOT pass rate?
- 1986, 1990, 1991, 1992, 1993 registered examples pass first time less often than the Honda CB450 overall (78.5%); the 1993 cohort is lowest at 65.3% from 124 tests.
- Which CB450 year has the highest MOT pass rate?
- 1969, at 96.2% of 53 first tests (2005–2025). Years more than two points above the model average: 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1982.
- How much does the CB450 pass rate vary by year?
- 30.9 percentage points between the highest (1969, 96.2%) and lowest (1993, 65.3%) 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: Honda CB450 reliability, failures and mileage · ranked #3846 of 5428 models· other Honda models: CBR600F, CBR900RR, CBR1100XX, CB500, C90, VFR800 Fi