BIKERELIABILITY Reg check
Registration-year report · 2005–2025

Data as of: DVSA MOT results to 2025

Honda CM125C: MOT pass rate by registration year

Which CM125C years pass first time, and which fall short of the model's 66.6% average, from 3,070 DVSA tests.

2003
highest-passing year · 75.1%
1986
lowest-passing year · 61.5%
13.6pp
spread across 6 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: 2003 (75.1% of 233 tests). Lowest: 1986 (61.5% of 174). Years more than two points below the model average: 1982, 1986.

59%68%78%1982: 64.2% pass (491 tests)1983: 67.6% pass (772 tests)1984: 65.2% pass (609 tests)1985: 65.3% pass (632 tests)1986: 61.5% pass (174 tests)2003: 75.1% pass (233 tests)198219852003
RegisteredTestsFirst-time passvs model (66.6%)
1982 491 64.2% -2.4 pp
1983 772 67.6% +1.0 pp
1984 609 65.2% -1.4 pp
1985 632 65.3% -1.3 pp
1986 174 61.5% -5.1 pp
2003 233 75.1% +8.5 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 · 2005–2025
52%70%87%2005: 67.6% pass (71 tests)2006: 71.1% pass (263 tests)2007: 70.4% pass (240 tests)2008: 63.8% pass (246 tests)2009: 58.1% pass (222 tests)2010: 63.9% pass (227 tests)2011: 61.4% pass (215 tests)2012: 62.3% pass (220 tests)2013: 66.3% pass (187 tests)2014: 71.0% pass (169 tests)2015: 68.8% pass (144 tests)2016: 66.9% pass (163 tests)2017: 68.6% pass (121 tests)2018: 69.2% pass (78 tests)2019: 68.2% pass (85 tests)2020: 63.8% pass (80 tests)2021: 64.6% pass (96 tests)2022: 73.9% pass (88 tests)2023: 75.0% pass (72 tests)2024: 67.4% pass (46 tests)2025: 81.1% pass (37 tests)20052025

Questions

Which CM125C years have the lowest MOT pass rate?
1982, 1986 registered examples pass first time less often than the Honda CM125C overall (66.6%); the 1986 cohort is lowest at 61.5% from 174 tests.
Which CM125C year has the highest MOT pass rate?
2003, at 75.1% of 233 first tests (2005–2025).
How much does the CM125C pass rate vary by year?
13.6 percentage points between the highest (2003, 75.1%) and lowest (1986, 61.5%) 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: Honda CM125C reliability, failures and mileage · ranked #4931 of 5428 models· other Honda models: CBR600F, CBR900RR, CBR1100XX, CB500, C90, VFR800 Fi