1981 Yamaha Unclassified — MOT History by Age

How cars manufactured in 1981 perform at MOT as they age

45 years

Current Age

98.2%

Latest Pass Rate

3,396

Total Tests (All Years)

13,485 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Best vintage for Unclassified

Insufficient data for same-age comparison.

How This Car Ages

Pass rate progression for the 1981 Yamaha Unclassified as it ages.

28 yrs77.6%

→ ↓2.6%

29 yrs75.0%

→ ↑1.4%

30 yrs76.4%

→ ↑1.0%

31 yrs77.4%

→ ↑4.1%

32 yrs81.5%

→ ↑2.8%

33 yrs84.3%

→ ↓5.9%

34 yrs78.4%

→ ↑1.7%

35 yrs80.1%

→ ↑1.8%

36 yrs81.9%

→ ↑1.8%

37 yrs83.7%

→ ↑1.1%

38 yrs84.8%

→ ↑2.5%

39 yrs87.3%

→ ↓0.0%

40 yrs87.3%

→ ↓3.4%

41 yrs83.9%

→ ↑6.8%

42 yrs90.7%

→ ↑7.5%

43 yrs98.2%

📊 View as table

Age	Pass Rate	Tests
28 yrs	77.6%	331
29 yrs	75.0%	284
30 yrs	76.4%	275
31 yrs	77.4%	270
32 yrs	81.5%	189
33 yrs	84.3%	172
34 yrs	78.4%	236
35 yrs	80.1%	306
36 yrs	81.9%	293
37 yrs	83.7%	202
38 yrs	84.8%	224
39 yrs	87.3%	197
40 yrs	87.3%	221
41 yrs	83.9%	87
42 yrs	90.7%	54
43 yrs	98.2%	55

Pass Rate Trend

How the 1981 Yamaha Unclassified pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2024 (43 yrs)	98.2%	55
2023 (42 yrs)	90.7%	54
2022 (41 yrs)	83.9%	87
2021 (40 yrs)	87.3%	221
2020 (39 yrs)	87.3%	197
2019 (38 yrs)	84.8%	224
2018 (37 yrs)	83.7%	202
2017 (36 yrs)	81.9%	293
2016 (35 yrs)	80.1%	306
2015 (34 yrs)	78.4%	236
2014 (33 yrs)	84.3%	172
2013 (32 yrs)	81.5%	189
2012 (31 yrs)	77.4%	270
2011 (30 yrs)	76.4%	275
2010 (29 yrs)	75%	284
2009 (28 yrs)	77.6%	331

Year-by-Year MOT Results

2009

77.6%

Age (yrs) 28Tests 331Avg Mileage 24,363Top Failure Motorcycle lighting and signalling — 12.1%

2010

75.0%

Age (yrs) 29Tests 284Avg Mileage 22,795Top Failure Motorcycle lighting and signalling — 13.0%

2011

76.4%

Age (yrs) 30Tests 275Avg Mileage 23,768Top Failure Motorcycle lighting and signalling — 10.5%

2012

77.4%

Age (yrs) 31Tests 270Avg Mileage 22,316Top Failure Motorcycle lighting and signalling — 11.9%

2013

81.5%

Age (yrs) 32Tests 189Avg Mileage 22,232Top Failure Motorcycle lighting and signalling — 19.0%

2014

84.3%

Age (yrs) 33Tests 172Avg Mileage 25,209Top Failure Motorcycle lighting and signalling — 15.1%

2015

78.4%

Age (yrs) 34Tests 236Avg Mileage 19,739Top Failure Motorcycle lighting and signalling — 20.8%

2016

80.1%

Age (yrs) 35Tests 306Avg Mileage 20,326Top Failure Motorcycle lighting and signalling — 20.9%

2017

81.9%

Age (yrs) 36Tests 293Avg Mileage 18,356Top Failure Motorcycle lighting and signalling — 18.1%

2018

83.7%

Age (yrs) 37Tests 202Avg Mileage 21,637Top Failure Motorcycle lamps and reflectors — 9.9%

2019

84.8%

Age (yrs) 38Tests 224Avg Mileage 20,541Top Failure Motorcycle lamps and reflectors — 9.8%

2020

87.3%

Age (yrs) 39Tests 197Avg Mileage 20,350Top Failure Motorcycle structure and attachments — 4.6%

2021

87.3%

Age (yrs) 40Tests 221Avg Mileage 18,000Top Failure Motorcycle lamps and reflectors — 11.8%

2022

83.9%

Age (yrs) 41Tests 87Avg Mileage 16,389Top Failure Motorcycle lamps and reflectors — 14.9%

2023

90.7%

Age (yrs) 42Tests 54Avg Mileage 14,998Top Failure Motorcycle brakes — 9.3%

2024

98.2%

Age (yrs) 43Tests 55Avg Mileage 13,485Top Failure Lamps, reflectors and electrical equipment — 1.8%

MOT results for 1981 Yamaha Unclassified by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	28	77.6%	331	24,363	Motorcycle lighting and signalling — 12.1%
2010	29	75.0%	284	22,795	Motorcycle lighting and signalling — 13.0%
2011	30	76.4%	275	23,768	Motorcycle lighting and signalling — 10.5%
2012	31	77.4%	270	22,316	Motorcycle lighting and signalling — 11.9%
2013	32	81.5%	189	22,232	Motorcycle lighting and signalling — 19.0%
2014	33	84.3%	172	25,209	Motorcycle lighting and signalling — 15.1%
2015	34	78.4%	236	19,739	Motorcycle lighting and signalling — 20.8%
2016	35	80.1%	306	20,326	Motorcycle lighting and signalling — 20.9%
2017	36	81.9%	293	18,356	Motorcycle lighting and signalling — 18.1%
2018	37	83.7%	202	21,637	Motorcycle lamps and reflectors — 9.9%
2019	38	84.8%	224	20,541	Motorcycle lamps and reflectors — 9.8%
2020	39	87.3%	197	20,350	Motorcycle structure and attachments — 4.6%
2021	40	87.3%	221	18,000	Motorcycle lamps and reflectors — 11.8%
2022	41	83.9%	87	16,389	Motorcycle lamps and reflectors — 14.9%
2023	42	90.7%	54	14,998	Motorcycle brakes — 9.3%
2024	43	98.2%	55	13,485	Lamps, reflectors and electrical equipment — 1.8%

Common MOT Failures

Top failure categories across all test years for 1981 Yamaha Unclassified, with age trends.

Motorcycle lighting and signalling

14.5%

↓ Decreases with age

Motorcycle lamps and reflectors

10.0%

— Consistent

Motorcycle steering and suspension

8.1%

— Consistent

Motorcycle brakes

7.3%

↑ Increases with age

Motorcycle structure and attachments

4.7%

— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Not enough data to compare failures across ages.

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 1981 perform at MOT as they age. Data spans from 2009 to 2024, covering 3,396 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.