Data as of: DVSA MOT results to 2025
Honda CB100: MOT pass rate by registration year
Which CB100 years pass first time, and which fall short of the model's 73.6% average, from 1,358 DVSA tests.
Pass rate by registration year
Highest pass rate: 1984 (82.0% of 122 tests). Lowest: 1986 (68.3% of 120). Years more than two points below the model average: 1980, 1986.
| Registered | Tests | First-time pass | vs model (73.6%) |
|---|---|---|---|
| 1979 | 111 | 73.0% | -0.6 pp |
| 1980 | 209 | 69.4% | -4.2 pp |
| 1981 | 133 | 72.2% | -1.4 pp |
| 1982 | 222 | 74.8% | +1.2 pp |
| 1983 | 195 | 74.4% | +0.8 pp |
| 1984 | 122 | 82.0% | +8.4 pp |
| 1985 | 89 | 73.0% | -0.6 pp |
| 1986 | 120 | 68.3% | -5.3 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 CB100 years have the lowest MOT pass rate?
- 1980, 1986 registered examples pass first time less often than the Honda CB100 overall (73.6%); the 1986 cohort is lowest at 68.3% from 120 tests.
- Which CB100 year has the highest MOT pass rate?
- 1984, at 82.0% of 122 first tests (2005–2025).
- How much does the CB100 pass rate vary by year?
- 13.7 percentage points between the highest (1984, 82.0%) and lowest (1986, 68.3%) 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 CB100 reliability, failures and mileage · ranked #4438 of 5428 models· other Honda models: CBR600F, CBR900RR, CBR1100XX, CB500, C90, VFR800 Fi