1978 Honda Cb400f — MOT History by Age

How cars manufactured in 1978 perform at MOT as they age

48 years

Current Age

93.8%

Latest Pass Rate

334

Total Tests (All Years)

29,388 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Insufficient data for same-age comparison.

How This Car Ages

Pass rate progression for the 1978 Honda Cb400f as it ages.

31 yrs90.5%

→ ↓16.1%

32 yrs74.4%

→ ↑5.6%

33 yrs80.0%

→ ↑14.3%

34 yrs94.3%

→ ↓3.4%

35 yrs90.9%

→ ↓2.3%

36 yrs88.6%

→ ↓4.8%

37 yrs83.8%

→ ↑10.0%

38 yrs93.8%

→ ↓0.0%

39 yrs93.8%

📊 View as table

Age	Pass Rate	Tests
31 yrs	90.5%	42
32 yrs	74.4%	43
33 yrs	80.0%	45
34 yrs	94.3%	35
35 yrs	90.9%	33
36 yrs	88.6%	35
37 yrs	83.8%	37
38 yrs	93.8%	32
39 yrs	93.8%	32

Pass Rate Trend

How the 1978 Honda Cb400f pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2017 (39 yrs)	93.8%	32
2016 (38 yrs)	93.8%	32
2015 (37 yrs)	83.8%	37
2014 (36 yrs)	88.6%	35
2013 (35 yrs)	90.9%	33
2012 (34 yrs)	94.3%	35
2011 (33 yrs)	80%	45
2010 (32 yrs)	74.4%	43
2009 (31 yrs)	90.5%	42

Year-by-Year MOT Results

2009

90.5%

Age (yrs) 31Tests 42Avg Mileage 30,983Top Failure Motorcycle brakes — 4.8%

2010

74.4%

Age (yrs) 32Tests 43Avg Mileage 28,984Top Failure Motorcycle lighting and signalling — 14.0%

2011

80.0%

Age (yrs) 33Tests 45Avg Mileage 31,883Top Failure Motorcycle brakes — 13.3%

2012

94.3%

Age (yrs) 34Tests 35Avg Mileage 28,338Top Failure Motorcycle lighting and signalling — 5.7%

2013

90.9%

Age (yrs) 35Tests 33Avg Mileage 30,357Top Failure Motorcycle steering and suspension — 15.2%

2014

88.6%

Age (yrs) 36Tests 35Avg Mileage 31,007Top Failure Motorcycle brakes — 20.0%

2015

83.8%

Age (yrs) 37Tests 37Avg Mileage 30,861Top Failure Motorcycle lighting and signalling — 13.5%

2016

93.8%

Age (yrs) 38Tests 32Avg Mileage 30,617Top Failure Motorcycle lighting and signalling — 6.3%

2017

93.8%

Age (yrs) 39Tests 32Avg Mileage 29,388Top Failure Motorcycle tyres and wheels — 3.1%

MOT results for 1978 Honda Cb400f by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	31	90.5%	42	30,983	Motorcycle brakes — 4.8%
2010	32	74.4%	43	28,984	Motorcycle lighting and signalling — 14.0%
2011	33	80.0%	45	31,883	Motorcycle brakes — 13.3%
2012	34	94.3%	35	28,338	Motorcycle lighting and signalling — 5.7%
2013	35	90.9%	33	30,357	Motorcycle steering and suspension — 15.2%
2014	36	88.6%	35	31,007	Motorcycle brakes — 20.0%
2015	37	83.8%	37	30,861	Motorcycle lighting and signalling — 13.5%
2016	38	93.8%	32	30,617	Motorcycle lighting and signalling — 6.3%
2017	39	93.8%	32	29,388	Motorcycle tyres and wheels — 3.1%

Common MOT Failures

Top failure categories across all test years for 1978 Honda Cb400f, with age trends.

Motorcycle brakes

10.1%

— Consistent

Motorcycle steering and suspension

9.5%

— Consistent

Motorcycle lighting and signalling

7.8%

↑ Increases with age

Motorcycle fuel and exhaust

4.2%

— Consistent

Motorcycle tyres and wheels

3.7%

— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Motorcycle brakes	4.8% (31 yrs)	3.1% (39 yrs)	-1.7%	⚪ —
Motorcycle tyres and wheels	4.8% (31 yrs)	3.1% (39 yrs)	-1.7%	⚪ —

Other Manufacture Years

1975 1976 1977 1978

← Back to Honda Cb400f overview

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About This Data

This page shows how Honda Cb400f cars manufactured in 1978 perform at MOT as they age. Data spans from 2009 to 2017, covering 334 tests. Pass rates naturally decline with age as components wear.

Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.