1971 Yamaha Unclassified — MOT History by Age

How cars manufactured in 1971 perform at MOT as they age

55 years

Current Age

88.4%

Latest Pass Rate

447

Total Tests (All Years)

16,010 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 1971 Yamaha Unclassified as it ages.

38 yrs88.1%

→ ↓9.4%

39 yrs78.7%

→ ↑1.0%

40 yrs79.7%

→ ↑9.6%

41 yrs89.3%

→ ↓11.0%

42 yrs78.3%

→ ↑11.1%

43 yrs89.4%

→ ↑2.9%

44 yrs92.3%

→ ↓4.8%

45 yrs87.5%

→ ↑0.9%

46 yrs88.4%

📊 View as table

Age	Pass Rate	Tests
38 yrs	88.1%	59
39 yrs	78.7%	61
40 yrs	79.7%	64
41 yrs	89.3%	56
42 yrs	78.3%	46
43 yrs	89.4%	47
44 yrs	92.3%	39
45 yrs	87.5%	32
46 yrs	88.4%	43

Pass Rate Trend

How the 1971 Yamaha Unclassified pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2017 (46 yrs)	88.4%	43
2016 (45 yrs)	87.5%	32
2015 (44 yrs)	92.3%	39
2014 (43 yrs)	89.4%	47
2013 (42 yrs)	78.3%	46
2012 (41 yrs)	89.3%	56
2011 (40 yrs)	79.7%	64
2010 (39 yrs)	78.7%	61
2009 (38 yrs)	88.1%	59

Year-by-Year MOT Results

2009

88.1%

Age (yrs) 38Tests 59Avg Mileage 19,940Top Failure Motorcycle tyres and wheels — 5.1%

2010

78.7%

Age (yrs) 39Tests 61Avg Mileage 17,224Top Failure Motorcycle lighting and signalling — 9.8%

2011

79.7%

Age (yrs) 40Tests 64Avg Mileage 19,406Top Failure Motorcycle lighting and signalling — 9.4%

2012

89.3%

Age (yrs) 41Tests 56Avg Mileage 18,254Top Failure Motorcycle lighting and signalling — 7.1%

2013

78.3%

Age (yrs) 42Tests 46Avg Mileage 16,986Top Failure Motorcycle lighting and signalling — 21.7%

2014

89.4%

Age (yrs) 43Tests 47Avg Mileage 16,445Top Failure Motorcycle lighting and signalling — 6.4%

2015

92.3%

Age (yrs) 44Tests 39Avg Mileage 14,790Top Failure Motorcycle lighting and signalling — 7.7%

2016

87.5%

Age (yrs) 45Tests 32Avg Mileage 17,634Top Failure Motorcycle tyres and wheels — 9.4%

2017

88.4%

Age (yrs) 46Tests 43Avg Mileage 16,010Top Failure Motorcycle steering and suspension — 7.0%

MOT results for 1971 Yamaha Unclassified by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	38	88.1%	59	19,940	Motorcycle tyres and wheels — 5.1%
2010	39	78.7%	61	17,224	Motorcycle lighting and signalling — 9.8%
2011	40	79.7%	64	19,406	Motorcycle lighting and signalling — 9.4%
2012	41	89.3%	56	18,254	Motorcycle lighting and signalling — 7.1%
2013	42	78.3%	46	16,986	Motorcycle lighting and signalling — 21.7%
2014	43	89.4%	47	16,445	Motorcycle lighting and signalling — 6.4%
2015	44	92.3%	39	14,790	Motorcycle lighting and signalling — 7.7%
2016	45	87.5%	32	17,634	Motorcycle tyres and wheels — 9.4%
2017	46	88.4%	43	16,010	Motorcycle steering and suspension — 7.0%

Common MOT Failures

Top failure categories across all test years for 1971 Yamaha Unclassified, with age trends.

Motorcycle lighting and signalling

8.8%

— Consistent

Motorcycle steering and suspension

7.7%

— Consistent

Motorcycle tyres and wheels

5.3%

— Consistent

Motorcycle brakes

3.5%

— Consistent

Motorcycle reg plates and vin

3.2%

— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Motorcycle lighting and signalling	3.4% (38 yrs)	4.7% (46 yrs)	+1.3%	⚪ —
Motorcycle reg plates and vin	3.4% (38 yrs)	4.7% (46 yrs)	+1.3%	⚪ —
Motorcycle tyres and wheels	5.1% (38 yrs)	4.7% (46 yrs)	-0.4%	⚪ —

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 1971 perform at MOT as they age. Data spans from 2009 to 2017, covering 447 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.