1984 Yamaha Unclassified — MOT History by Age

How cars manufactured in 1984 perform at MOT as they age

42 years

Current Age

86.2%

Latest Pass Rate

1,679

Total Tests (All Years)

18,224 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 1984 Yamaha Unclassified as it ages.

25 yrs69.9%

→ ↑8.0%

26 yrs77.9%

→ ↓9.4%

27 yrs68.5%

→ ↓2.1%

28 yrs66.4%

→ ↑12.4%

29 yrs78.8%

→ ↑3.0%

30 yrs81.8%

→ ↓5.6%

31 yrs76.2%

→ ↑1.2%

32 yrs77.4%

→ ↑2.9%

33 yrs80.3%

→ ↑9.2%

34 yrs89.5%

→ ↓4.7%

35 yrs84.8%

→ ↑0.9%

36 yrs85.7%

→ ↓1.4%

37 yrs84.3%

→ ↑2.7%

38 yrs87.0%

→ ↑0.4%

39 yrs87.4%

→ ↓1.2%

40 yrs86.2%

📊 View as table

Age	Pass Rate	Tests
25 yrs	69.9%	146
26 yrs	77.9%	131
27 yrs	68.5%	124
28 yrs	66.4%	125
29 yrs	78.8%	85
30 yrs	81.8%	66
31 yrs	76.2%	84
32 yrs	77.4%	106
33 yrs	80.3%	117
34 yrs	89.5%	86
35 yrs	84.8%	99
36 yrs	85.7%	98
37 yrs	84.3%	102
38 yrs	87.0%	77
39 yrs	87.4%	95
40 yrs	86.2%	138

Pass Rate Trend

How the 1984 Yamaha Unclassified pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2024 (40 yrs)	86.2%	138
2023 (39 yrs)	87.4%	95
2022 (38 yrs)	87%	77
2021 (37 yrs)	84.3%	102
2020 (36 yrs)	85.7%	98
2019 (35 yrs)	84.8%	99
2018 (34 yrs)	89.5%	86
2017 (33 yrs)	80.3%	117
2016 (32 yrs)	77.4%	106
2015 (31 yrs)	76.2%	84
2014 (30 yrs)	81.8%	66
2013 (29 yrs)	78.8%	85
2012 (28 yrs)	66.4%	125
2011 (27 yrs)	68.5%	124
2010 (26 yrs)	77.9%	131
2009 (25 yrs)	69.9%	146

Year-by-Year MOT Results

2009

69.9%

Age (yrs) 25Tests 146Avg Mileage 25,475Top Failure Motorcycle lighting and signalling — 21.2%

2010

77.9%

Age (yrs) 26Tests 131Avg Mileage 26,480Top Failure Motorcycle lighting and signalling — 9.9%

2011

68.5%

Age (yrs) 27Tests 124Avg Mileage 25,669Top Failure Motorcycle lighting and signalling — 16.1%

2012

66.4%

Age (yrs) 28Tests 125Avg Mileage 27,440Top Failure Motorcycle lighting and signalling — 22.4%

2013

78.8%

Age (yrs) 29Tests 85Avg Mileage 26,476Top Failure Motorcycle steering and suspension — 11.8%

2014

81.8%

Age (yrs) 30Tests 66Avg Mileage 28,563Top Failure Motorcycle lighting and signalling — 15.2%

2015

76.2%

Age (yrs) 31Tests 84Avg Mileage 23,853Top Failure Motorcycle lighting and signalling — 38.1%

2016

77.4%

Age (yrs) 32Tests 106Avg Mileage 19,825Top Failure Motorcycle lighting and signalling — 25.5%

2017

80.3%

Age (yrs) 33Tests 117Avg Mileage 19,499Top Failure Motorcycle lighting and signalling — 15.4%

2018

89.5%

Age (yrs) 34Tests 86Avg Mileage 17,566Top Failure Motorcycle lamps and reflectors — 7.0%

2019

84.8%

Age (yrs) 35Tests 99Avg Mileage 21,090Top Failure Motorcycle lamps and reflectors — 9.1%

2020

85.7%

Age (yrs) 36Tests 98Avg Mileage 23,471Top Failure Motorcycle lamps and reflectors — 12.2%

2021

84.3%

Age (yrs) 37Tests 102Avg Mileage 19,343Top Failure Motorcycle lamps and reflectors — 18.6%

2022

87.0%

Age (yrs) 38Tests 77Avg Mileage 16,383Top Failure Motorcycle lamps and reflectors — 10.4%

2023

87.4%

Age (yrs) 39Tests 95Avg Mileage 22,070Top Failure Motorcycle lamps and reflectors — 12.6%

2024

86.2%

Age (yrs) 40Tests 138Avg Mileage 18,224Top Failure Motorcycle lamps and reflectors — 7.2%

MOT results for 1984 Yamaha Unclassified by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	25	69.9%	146	25,475	Motorcycle lighting and signalling — 21.2%
2010	26	77.9%	131	26,480	Motorcycle lighting and signalling — 9.9%
2011	27	68.5%	124	25,669	Motorcycle lighting and signalling — 16.1%
2012	28	66.4%	125	27,440	Motorcycle lighting and signalling — 22.4%
2013	29	78.8%	85	26,476	Motorcycle steering and suspension — 11.8%
2014	30	81.8%	66	28,563	Motorcycle lighting and signalling — 15.2%
2015	31	76.2%	84	23,853	Motorcycle lighting and signalling — 38.1%
2016	32	77.4%	106	19,825	Motorcycle lighting and signalling — 25.5%
2017	33	80.3%	117	19,499	Motorcycle lighting and signalling — 15.4%
2018	34	89.5%	86	17,566	Motorcycle lamps and reflectors — 7.0%
2019	35	84.8%	99	21,090	Motorcycle lamps and reflectors — 9.1%
2020	36	85.7%	98	23,471	Motorcycle lamps and reflectors — 12.2%
2021	37	84.3%	102	19,343	Motorcycle lamps and reflectors — 18.6%
2022	38	87.0%	77	16,383	Motorcycle lamps and reflectors — 10.4%
2023	39	87.4%	95	22,070	Motorcycle lamps and reflectors — 12.6%
2024	40	86.2%	138	18,224	Motorcycle lamps and reflectors — 7.2%

Common MOT Failures

Top failure categories across all test years for 1984 Yamaha Unclassified, with age trends.

Motorcycle lighting and signalling

17.6%

↓ Decreases with age

Motorcycle steering and suspension

11.8%

— Consistent

Motorcycle lamps and reflectors

11.0%

— Consistent

Motorcycle tyres and wheels

7.8%

— Consistent

Motorcycle brakes

7.1%

↓ 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	6.2% (25 yrs)	2.9% (40 yrs)	-3.3%	🟢 ↓

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 1984 perform at MOT as they age. Data spans from 2009 to 2024, covering 1,679 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.