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1979 Yamaha Unclassified — MOT History by Age

How cars manufactured in 1979 perform at MOT as they age

47 years
Current Age
84.4%
Latest Pass Rate
1,411
Total Tests (All Years)
18,692 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 1979 Yamaha Unclassified as it ages.

30 yrs76.1%
31 yrs85.5%
32 yrs77.4%
33 yrs80.3%
34 yrs87.2%
35 yrs89.3%
36 yrs81.6%
37 yrs83.6%
38 yrs80.6%
39 yrs87.6%
40 yrs88.8%
41 yrs87.2%
42 yrs84.4%

Bar chart showing pass rate by car age from 30 to 42 years

Fail Rate %
📊 View as table
AgePass RateTests
30 yrs76.1%138
31 yrs85.5%124
32 yrs77.4%137
33 yrs80.3%137
34 yrs87.2%86
35 yrs89.3%75
36 yrs81.6%98
37 yrs83.6%159
38 yrs80.6%165
39 yrs87.6%105
40 yrs88.8%116
41 yrs87.2%39
42 yrs84.4%32

Pass Rate Trend

How the 1979 Yamaha Unclassified pass rate changes as it ages, from first MOT to most recent.

Trend shows declining over 13 years

Pass Rate %
📊 View as table
BuiltPass RateTests
2021 (42 yrs)84.4%32
2020 (41 yrs)87.2%39
2019 (40 yrs)88.8%116
2018 (39 yrs)87.6%105
2017 (38 yrs)80.6%165
2016 (37 yrs)83.6%159
2015 (36 yrs)81.6%98
2014 (35 yrs)89.3%75
2013 (34 yrs)87.2%86
2012 (33 yrs)80.3%137
2011 (32 yrs)77.4%137
2010 (31 yrs)85.5%124
2009 (30 yrs)76.1%138

Year-by-Year MOT Results

2009
76.1%
Age (yrs) 30Tests 138Avg Mileage 23,743Top Failure Motorcycle lighting and signalling — 15.9%
2010
85.5%
Age (yrs) 31Tests 124Avg Mileage 20,797Top Failure Motorcycle lighting and signalling — 6.5%
2011
77.4%
Age (yrs) 32Tests 137Avg Mileage 21,570Top Failure Motorcycle lighting and signalling — 12.4%
2012
80.3%
Age (yrs) 33Tests 137Avg Mileage 20,659Top Failure Motorcycle lighting and signalling — 10.9%
2013
87.2%
Age (yrs) 34Tests 86Avg Mileage 19,427Top Failure Motorcycle lighting and signalling — 9.3%
2014
89.3%
Age (yrs) 35Tests 75Avg Mileage 21,455Top Failure Motorcycle steering and suspension — 5.3%
2015
81.6%
Age (yrs) 36Tests 98Avg Mileage 16,759Top Failure Motorcycle lighting and signalling — 14.3%
2016
83.6%
Age (yrs) 37Tests 159Avg Mileage 17,719Top Failure Motorcycle lighting and signalling — 18.9%
2017
80.6%
Age (yrs) 38Tests 165Avg Mileage 18,017Top Failure Motorcycle lighting and signalling — 20.0%
2018
87.6%
Age (yrs) 39Tests 105Avg Mileage 18,549Top Failure Motorcycle lamps and reflectors — 9.5%
2019
88.8%
Age (yrs) 40Tests 116Avg Mileage 16,886Top Failure Motorcycle lamps and reflectors — 11.2%
2020
87.2%
Age (yrs) 41Tests 39Avg Mileage 17,220Top Failure Motorcycle brakes — 7.7%
2021
84.4%
Age (yrs) 42Tests 32Avg Mileage 18,692Top Failure Motorcycle lamps and reflectors — 21.9%

Common MOT Failures

Top failure categories across all test years for 1979 Yamaha Unclassified, with age trends.

Motorcycle lamps and reflectors
11.9%
↑ Increases with age
Motorcycle lighting and signalling
11.5%
↓ Decreases with age
Motorcycle steering and suspension
6.2%
— Consistent
Motorcycle fuel and exhaust
6.1%
↑ Increases with age
Motorcycle brakes
5.8%
↓ Decreases with age

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

CategoryAt YoungestAt OldestChangeTrend
Motorcycle brakes9.4% (30 yrs)3.1% (42 yrs)
-6.3%
🟢 ↓

Other Manufacture Years

1971 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021
← Back to Yamaha Unclassified overview

Looking for the best year to buy? See the full comparison on the Yamaha Unclassified page →

About This Data

This page shows how Yamaha Unclassified cars manufactured in 1979 perform at MOT as they age. Data spans from 2009 to 2021, covering 1,411 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.

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