1983 Yamaha Unclassified — MOT History by Age

How cars manufactured in 1983 perform at MOT as they age

43 years

Current Age

90.5%

Latest Pass Rate

1,573

Total Tests (All Years)

20,993 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 1983 Yamaha Unclassified as it ages.

26 yrs67.2%

→ ↑14.9%

27 yrs82.1%

→ ↓3.2%

28 yrs78.9%

→ ↓3.9%

29 yrs75.0%

→ ↑5.5%

30 yrs80.5%

→ ↑1.2%

31 yrs81.7%

→ ↓3.1%

32 yrs78.6%

→ ↑4.9%

33 yrs83.5%

→ ↓10.9%

34 yrs72.6%

→ ↑1.5%

35 yrs74.1%

→ ↑13.4%

36 yrs87.5%

→ ↓1.9%

37 yrs85.6%

→ ↑1.3%

38 yrs86.9%

→ ↓3.8%

39 yrs83.1%

→ ↑3.3%

40 yrs86.4%

→ ↑4.1%

41 yrs90.5%

📊 View as table

Age	Pass Rate	Tests
26 yrs	67.2%	137
27 yrs	82.1%	123
28 yrs	78.9%	128
29 yrs	75.0%	112
30 yrs	80.5%	82
31 yrs	81.7%	60
32 yrs	78.6%	84
33 yrs	83.5%	115
34 yrs	72.6%	106
35 yrs	74.1%	85
36 yrs	87.5%	96
37 yrs	85.6%	97
38 yrs	86.9%	99
39 yrs	83.1%	83
40 yrs	86.4%	103
41 yrs	90.5%	63

Pass Rate Trend

How the 1983 Yamaha Unclassified pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2024 (41 yrs)	90.5%	63
2023 (40 yrs)	86.4%	103
2022 (39 yrs)	83.1%	83
2021 (38 yrs)	86.9%	99
2020 (37 yrs)	85.6%	97
2019 (36 yrs)	87.5%	96
2018 (35 yrs)	74.1%	85
2017 (34 yrs)	72.6%	106
2016 (33 yrs)	83.5%	115
2015 (32 yrs)	78.6%	84
2014 (31 yrs)	81.7%	60
2013 (30 yrs)	80.5%	82
2012 (29 yrs)	75%	112
2011 (28 yrs)	78.9%	128
2010 (27 yrs)	82.1%	123
2009 (26 yrs)	67.2%	137

Year-by-Year MOT Results

2009

67.2%

Age (yrs) 26Tests 137Avg Mileage 26,441Top Failure Motorcycle lighting and signalling — 18.2%

2010

82.1%

Age (yrs) 27Tests 123Avg Mileage 25,717Top Failure Motorcycle lighting and signalling — 12.2%

2011

78.9%

Age (yrs) 28Tests 128Avg Mileage 25,801Top Failure Motorcycle lighting and signalling — 8.6%

2012

75.0%

Age (yrs) 29Tests 112Avg Mileage 23,193Top Failure Motorcycle lighting and signalling — 12.5%

2013

80.5%

Age (yrs) 30Tests 82Avg Mileage 23,304Top Failure Motorcycle lighting and signalling — 22.0%

2014

81.7%

Age (yrs) 31Tests 60Avg Mileage 24,336Top Failure Motorcycle lighting and signalling — 15.0%

2015

78.6%

Age (yrs) 32Tests 84Avg Mileage 21,726Top Failure Motorcycle lighting and signalling — 20.2%

2016

83.5%

Age (yrs) 33Tests 115Avg Mileage 22,342Top Failure Motorcycle lighting and signalling — 14.8%

2017

72.6%

Age (yrs) 34Tests 106Avg Mileage 28,980Top Failure Motorcycle lighting and signalling — 17.9%

2018

74.1%

Age (yrs) 35Tests 85Avg Mileage 27,113Top Failure Motorcycle lamps and reflectors — 17.6%

2019

87.5%

Age (yrs) 36Tests 96Avg Mileage 17,254Top Failure Motorcycle lamps and reflectors — 11.5%

2020

85.6%

Age (yrs) 37Tests 97Avg Mileage 16,974Top Failure Motorcycle lamps and reflectors — 13.4%

2021

86.9%

Age (yrs) 38Tests 99Avg Mileage 21,020Top Failure Motorcycle lamps and reflectors — 9.1%

2022

83.1%

Age (yrs) 39Tests 83Avg Mileage 19,265Top Failure Motorcycle lamps and reflectors — 12.0%

2023

86.4%

Age (yrs) 40Tests 103Avg Mileage 18,118Top Failure Motorcycle lamps and reflectors — 17.5%

2024

90.5%

Age (yrs) 41Tests 63Avg Mileage 20,993Top Failure Motorcycle lamps and reflectors — 6.3%

MOT results for 1983 Yamaha Unclassified by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	26	67.2%	137	26,441	Motorcycle lighting and signalling — 18.2%
2010	27	82.1%	123	25,717	Motorcycle lighting and signalling — 12.2%
2011	28	78.9%	128	25,801	Motorcycle lighting and signalling — 8.6%
2012	29	75.0%	112	23,193	Motorcycle lighting and signalling — 12.5%
2013	30	80.5%	82	23,304	Motorcycle lighting and signalling — 22.0%
2014	31	81.7%	60	24,336	Motorcycle lighting and signalling — 15.0%
2015	32	78.6%	84	21,726	Motorcycle lighting and signalling — 20.2%
2016	33	83.5%	115	22,342	Motorcycle lighting and signalling — 14.8%
2017	34	72.6%	106	28,980	Motorcycle lighting and signalling — 17.9%
2018	35	74.1%	85	27,113	Motorcycle lamps and reflectors — 17.6%
2019	36	87.5%	96	17,254	Motorcycle lamps and reflectors — 11.5%
2020	37	85.6%	97	16,974	Motorcycle lamps and reflectors — 13.4%
2021	38	86.9%	99	21,020	Motorcycle lamps and reflectors — 9.1%
2022	39	83.1%	83	19,265	Motorcycle lamps and reflectors — 12.0%
2023	40	86.4%	103	18,118	Motorcycle lamps and reflectors — 17.5%
2024	41	90.5%	63	20,993	Motorcycle lamps and reflectors — 6.3%

Common MOT Failures

Top failure categories across all test years for 1983 Yamaha Unclassified, with age trends.

Motorcycle lighting and signalling

15.2%

↓ Decreases with age

Motorcycle lamps and reflectors

12.5%

↓ Decreases with age

Motorcycle steering and suspension

10.5%

— Consistent

Lamps, reflectors and electrical equipment

8.2%

— Consistent

Motorcycle brakes

6.5%

↓ Decreases with age

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Motorcycle brakes	10.2% (26 yrs)	1.6% (41 yrs)	-8.6%	🟢 ↓

Other Manufacture Years

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 1983 perform at MOT as they age. Data spans from 2009 to 2024, covering 1,573 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.