BIKERELIABILITY Reg check
League table/ HONDA/ 400/By year
Registration-year report · 2005–2025

Data as of: DVSA MOT results to 2025

Honda 400: MOT pass rate by registration year

Which 400 years pass first time, and which fall short of the model's 77.3% average, from 1,244 DVSA tests.

1994
highest-passing year · 86.0%
1988
lowest-passing year · 68.9%
17.1pp
spread across 14 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: 1994 (86.0% of 57 tests). Lowest: 1988 (68.9% of 103). Years more than two points below the model average: 1988, 1989, 1990, 1991, 1992, 1993.

65%77%89%1976: 85.2% pass (54 tests)1977: 85.4% pass (89 tests)1978: 83.1% pass (59 tests)1988: 68.9% pass (103 tests)1989: 73.0% pass (89 tests)1990: 73.5% pass (102 tests)1991: 70.6% pass (51 tests)1992: 75.0% pass (108 tests)1993: 72.8% pass (81 tests)1994: 86.0% pass (57 tests)1995: 75.3% pass (77 tests)1996: 77.6% pass (58 tests)1997: 82.7% pass (52 tests)1999: 86.0% pass (57 tests)197619921999
RegisteredTestsFirst-time passvs model (77.3%)
1976 54 85.2% +7.9 pp
1977 89 85.4% +8.1 pp
1978 59 83.1% +5.8 pp
1988 103 68.9% -8.4 pp
1989 89 73.0% -4.3 pp
1990 102 73.5% -3.8 pp
1991 51 70.6% -6.7 pp
1992 108 75.0% -2.3 pp
1993 81 72.8% -4.5 pp
1994 57 86.0% +8.7 pp
1995 77 75.3% -2.0 pp
1996 58 77.6% +0.3 pp
1997 52 82.7% +5.4 pp
1999 57 86.0% +8.7 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 · 2006–2019
62%78%93%2006: 79.6% pass (108 tests)2007: 73.7% pass (95 tests)2008: 84.4% pass (90 tests)2009: 67.4% pass (86 tests)2010: 67.4% pass (95 tests)2011: 77.4% pass (84 tests)2012: 77.8% pass (81 tests)2013: 77.5% pass (89 tests)2014: 80.4% pass (92 tests)2015: 80.0% pass (85 tests)2016: 72.3% pass (65 tests)2017: 80.0% pass (55 tests)2018: 76.2% pass (42 tests)2019: 87.9% pass (33 tests)20062019

Questions

Which 400 years have the lowest MOT pass rate?
1988, 1989, 1990, 1991, 1992, 1993 registered examples pass first time less often than the Honda 400 overall (77.3%); the 1988 cohort is lowest at 68.9% from 103 tests.
Which 400 year has the highest MOT pass rate?
1994, at 86.0% of 57 first tests (2005–2025). Years more than two points above the model average: 1976, 1977, 1978, 1994, 1997, 1999.
How much does the 400 pass rate vary by year?
17.1 percentage points between the highest (1994, 86.0%) and lowest (1988, 68.9%) 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 400 reliability, failures and mileage · ranked #4013 of 5428 models· other Honda models: CBR600F, CBR900RR, CBR1100XX, CB500, C90, VFR800 Fi