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

Data as of: DVSA MOT results to 2025

Honda CBX: MOT pass rate by registration year

Which CBX years pass first time, and which fall short of the model's 87.4% average, from 1,537 DVSA tests.

1980
highest-passing year · 91.4%
1985
lowest-passing year · 75.4%
16.0pp
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: 1980 (91.4% of 347 tests). Lowest: 1985 (75.4% of 69). Years more than two points below the model average: 1978, 1985.

72%83%95%1978: 81.7% pass (131 tests)1979: 90.8% pass (346 tests)1980: 91.4% pass (347 tests)1981: 87.0% pass (285 tests)1982: 87.0% pass (108 tests)1985: 75.4% pass (69 tests)197819811985
RegisteredTestsFirst-time passvs model (87.4%)
1978 131 81.7% -5.7 pp
1979 346 90.8% +3.4 pp
1980 347 91.4% +4.0 pp
1981 285 87.0% -0.4 pp
1982 108 87.0% -0.4 pp
1985 69 75.4% -12.0 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 · 2006–2022
75%87%99%2006: 90.7% pass (97 tests)2007: 87.6% pass (89 tests)2008: 84.4% pass (77 tests)2009: 89.3% pass (103 tests)2010: 81.5% pass (92 tests)2011: 79.3% pass (92 tests)2012: 83.3% pass (102 tests)2013: 90.7% pass (108 tests)2014: 85.8% pass (127 tests)2015: 88.0% pass (117 tests)2016: 92.4% pass (92 tests)2017: 88.6% pass (79 tests)2018: 94.9% pass (79 tests)2019: 87.7% pass (73 tests)2020: 85.1% pass (47 tests)2021: 90.0% pass (50 tests)2022: 88.6% pass (35 tests)20062022

Questions

Which CBX years have the lowest MOT pass rate?
1978, 1985 registered examples pass first time less often than the Honda CBX overall (87.4%); the 1985 cohort is lowest at 75.4% from 69 tests.
Which CBX year has the highest MOT pass rate?
1980, at 91.4% of 347 first tests (2005–2025). Years more than two points above the model average: 1979, 1980.
How much does the CBX pass rate vary by year?
16.0 percentage points between the highest (1980, 91.4%) and lowest (1985, 75.4%) 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 CBX reliability, failures and mileage · ranked #1787 of 5428 models· other Honda models: CBR600F, CBR900RR, CBR1100XX, CB500, C90, VFR800 Fi