BIKERELIABILITY Reg check
Registration-year report · 2005–2025

Data as of: DVSA MOT results to 2025

Honda CB 600 F-4: MOT pass rate by registration year

Which CB 600 F-4 years pass first time, and which fall short of the model's 81.9% average, from 4,574 DVSA tests.

2005
highest-passing year · 82.9%
2003
lowest-passing year · 78.7%
4.2pp
spread across 4 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: 2005 (82.9% of 1,681 tests). Lowest: 2003 (78.7% of 235). Years more than two points below the model average: 2003.

78%81%84%2003: 78.7% pass (235 tests)2004: 81.8% pass (2,363 tests)2005: 82.9% pass (1,681 tests)2006: 81.0% pass (252 tests)200320052006
RegisteredTestsFirst-time passvs model (81.9%)
2003 235 78.7% -3.2 pp
2004 2,363 81.8% -0.1 pp
2005 1,681 82.9% +1.0 pp
2006 252 81.0% -0.9 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 · 2007–2025
74%82%90%2007: 87.0% pass (200 tests)2008: 84.6% pass (358 tests)2009: 82.5% pass (377 tests)2010: 81.3% pass (342 tests)2011: 84.2% pass (335 tests)2012: 81.1% pass (322 tests)2013: 83.1% pass (301 tests)2014: 82.7% pass (294 tests)2015: 79.6% pass (279 tests)2016: 78.1% pass (256 tests)2017: 78.2% pass (257 tests)2018: 76.9% pass (182 tests)2019: 84.4% pass (167 tests)2020: 76.3% pass (131 tests)2021: 79.9% pass (184 tests)2022: 85.3% pass (184 tests)2023: 83.2% pass (155 tests)2024: 83.5% pass (115 tests)2025: 83.5% pass (115 tests)20072025

Questions

Which CB 600 F-4 years have the lowest MOT pass rate?
2003 registered examples pass first time less often than the Honda CB 600 F-4 overall (81.9%); the 2003 cohort is lowest at 78.7% from 235 tests.
Which CB 600 F-4 year has the highest MOT pass rate?
2005, at 82.9% of 1,681 first tests (2005–2025).
How much does the CB 600 F-4 pass rate vary by year?
4.2 percentage points between the highest (2005, 82.9%) and lowest (2003, 78.7%) 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 CB 600 F-4 reliability, failures and mileage · ranked #3199 of 5428 models· other Honda models: CBR600F, CBR900RR, CBR1100XX, CB500, C90, VFR800 Fi