BIKERELIABILITY Reg check
League table/ HONDA/ CB1/By year
Registration-year report · 2005–2025

Data as of: DVSA MOT results to 2025

Honda CB1: MOT pass rate by registration year

Which CB1 years pass first time, and which fall short of the model's 75.8% average, from 2,637 DVSA tests.

1995
highest-passing year · 82.5%
1994
lowest-passing year · 70.0%
12.5pp
spread across 8 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: 1995 (82.5% of 57 tests). Lowest: 1994 (70.0% of 50). Years more than two points below the model average: 1989, 1990, 1992, 1994.

68%76%85%1989: 73.0% pass (970 tests)1990: 73.6% pass (488 tests)1991: 78.7% pass (555 tests)1992: 72.4% pass (163 tests)1993: 81.0% pass (100 tests)1994: 70.0% pass (50 tests)1995: 82.5% pass (57 tests)1997: 81.7% pass (93 tests)198919931997
RegisteredTestsFirst-time passvs model (75.8%)
1989 970 73.0% -2.8 pp
1990 488 73.6% -2.2 pp
1991 555 78.7% +2.9 pp
1992 163 72.4% -3.4 pp
1993 100 81.0% +5.2 pp
1994 50 70.0% -5.8 pp
1995 57 82.5% +6.7 pp
1997 93 81.7% +5.9 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 · 2005–2025
65%80%95%2005: 71.9% pass (64 tests)2006: 70.4% pass (270 tests)2007: 74.6% pass (232 tests)2008: 70.7% pass (222 tests)2009: 75.2% pass (202 tests)2010: 74.5% pass (188 tests)2011: 76.7% pass (176 tests)2012: 70.3% pass (165 tests)2013: 75.8% pass (153 tests)2014: 77.2% pass (145 tests)2015: 78.6% pass (126 tests)2016: 77.2% pass (127 tests)2017: 78.8% pass (113 tests)2018: 77.5% pass (71 tests)2019: 80.0% pass (65 tests)2020: 86.2% pass (58 tests)2021: 81.3% pass (75 tests)2022: 81.4% pass (59 tests)2023: 82.4% pass (51 tests)2024: 88.6% pass (35 tests)2025: 90.0% pass (40 tests)20052025

Questions

Which CB1 years have the lowest MOT pass rate?
1989, 1990, 1992, 1994 registered examples pass first time less often than the Honda CB1 overall (75.8%); the 1994 cohort is lowest at 70.0% from 50 tests.
Which CB1 year has the highest MOT pass rate?
1995, at 82.5% of 57 first tests (2005–2025). Years more than two points above the model average: 1991, 1993, 1995, 1997.
How much does the CB1 pass rate vary by year?
12.5 percentage points between the highest (1995, 82.5%) and lowest (1994, 70.0%) 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 CB1 reliability, failures and mileage · ranked #4212 of 5428 models· other Honda models: CBR600F, CBR900RR, CBR1100XX, CB500, C90, VFR800 Fi