BIKERELIABILITY Reg check
Registration-year report · 2005–2025

Data as of: DVSA MOT results to 2025

Honda CB125F: MOT pass rate by registration year

Which CB125F years pass first time, and which fall short of the model's 81.2% average, from 30,606 DVSA tests.

2021
highest-passing year · 91.1%
2015
lowest-passing year · 79.3%
11.8pp
spread across 7 years

Pass rate by registration year

first-time pass rate · cohorts with 50 or more tests · registration year from first use date

Highest pass rate: 2021 (91.1% of 56 tests). Lowest: 2015 (79.3% of 5,197).

77%85%93%2015: 79.3% pass (5,197 tests)2016: 80.4% pass (7,832 tests)2017: 82.2% pass (6,736 tests)2018: 83.1% pass (4,903 tests)2019: 81.8% pass (3,741 tests)2020: 81.2% pass (2,069 tests)2021: 91.1% pass (56 tests)201520182021
RegisteredTestsFirst-time passvs model (81.2%)
2015 5,197 79.3% -1.9 pp
2016 7,832 80.4% -0.8 pp
2017 6,736 82.2% +1.0 pp
2018 4,903 83.1% +1.9 pp
2019 3,741 81.8% +0.6 pp
2020 2,069 81.2% +0.0 pp
2021 56 91.1% +9.9 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

first-time pass rate by test year · 2017–2025
78%82%86%2017: 82.8% pass (58 tests)2018: 81.6% pass (776 tests)2019: 82.1% pass (1,983 tests)2020: 85.0% pass (3,436 tests)2021: 81.5% pass (4,600 tests)2022: 81.6% pass (5,372 tests)2023: 80.3% pass (5,837 tests)2024: 79.4% pass (4,253 tests)2025: 80.3% pass (4,240 tests)20172025

Questions

Which CB125F years have the lowest MOT pass rate?
none: no registration year of the Honda CB125F falls more than two points under the model's 81.2% overall pass rate.
Which CB125F year has the highest MOT pass rate?
2021, at 91.1% of 56 first tests (2005–2025).
How much does the CB125F pass rate vary by year?
11.8 percentage points between the highest (2021, 91.1%) and lowest (2015, 79.3%) 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 CB125F reliability, failures and mileage · ranked #3336 of 5428 models· other Honda models: CBR600F, CBR900RR, CBR1100XX, CB500, C90, VFR800 Fi