1980 Yamaha Dt175 — MOT History by Age

How cars manufactured in 1980 perform at MOT as they age

46 years

Current Age

84.4%

Latest Pass Rate

323

Total Tests (All Years)

12,138 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 1980 Yamaha Dt175 as it ages.

29 yrs78.8%

→ ↑3.8%

30 yrs82.6%

→ ↓8.1%

31 yrs74.5%

→ ↑9.2%

32 yrs83.7%

→ ↑0.7%

33 yrs84.4%

→ ↓1.9%

34 yrs82.5%

→ ↑4.0%

35 yrs86.5%

→ ↓2.1%

36 yrs84.4%

📊 View as table

Age	Pass Rate	Tests
29 yrs	78.8%	33
30 yrs	82.6%	46
31 yrs	74.5%	47
32 yrs	83.7%	43
33 yrs	84.4%	45
34 yrs	82.5%	40
35 yrs	86.5%	37
36 yrs	84.4%	32

Pass Rate Trend

How the 1980 Yamaha Dt175 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2016 (36 yrs)	84.4%	32
2015 (35 yrs)	86.5%	37
2014 (34 yrs)	82.5%	40
2013 (33 yrs)	84.4%	45
2012 (32 yrs)	83.7%	43
2011 (31 yrs)	74.5%	47
2010 (30 yrs)	82.6%	46
2009 (29 yrs)	78.8%	33

Year-by-Year MOT Results

2009

78.8%

Age (yrs) 29Tests 33Avg Mileage 12,183Top Failure Motorcycle steering and suspension — 12.1%

2010

82.6%

Age (yrs) 30Tests 46Avg Mileage 11,632Top Failure Motorcycle lighting and signalling — 10.9%

2011

74.5%

Age (yrs) 31Tests 47Avg Mileage 11,812Top Failure Motorcycle lighting and signalling — 19.1%

2012

83.7%

Age (yrs) 32Tests 43Avg Mileage 13,518Top Failure Motorcycle lighting and signalling — 16.3%

2013

84.4%

Age (yrs) 33Tests 45Avg Mileage 13,540Top Failure Motorcycle lighting and signalling — 31.1%

2014

82.5%

Age (yrs) 34Tests 40Avg Mileage 12,867Top Failure Motorcycle tyres and wheels — 17.5%

2015

86.5%

Age (yrs) 35Tests 37Avg Mileage 17,167Top Failure Motorcycle lighting and signalling — 13.5%

2016

84.4%

Age (yrs) 36Tests 32Avg Mileage 12,138Top Failure Motorcycle lighting and signalling — 21.9%

MOT results for 1980 Yamaha Dt175 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	29	78.8%	33	12,183	Motorcycle steering and suspension — 12.1%
2010	30	82.6%	46	11,632	Motorcycle lighting and signalling — 10.9%
2011	31	74.5%	47	11,812	Motorcycle lighting and signalling — 19.1%
2012	32	83.7%	43	13,518	Motorcycle lighting and signalling — 16.3%
2013	33	84.4%	45	13,540	Motorcycle lighting and signalling — 31.1%
2014	34	82.5%	40	12,867	Motorcycle tyres and wheels — 17.5%
2015	35	86.5%	37	17,167	Motorcycle lighting and signalling — 13.5%
2016	36	84.4%	32	12,138	Motorcycle lighting and signalling — 21.9%

Common MOT Failures

Top failure categories across all test years for 1980 Yamaha Dt175, with age trends.

Motorcycle lighting and signalling

17.1%

↑ Increases with age

Motorcycle tyres and wheels

7.0%

— Consistent

Motorcycle steering and suspension

6.8%

↑ Increases with age

Motorcycle brakes

4.4%

— Consistent

Motorcycle reg plates and vin

4.1%

↓ 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 lighting and signalling	9.1% (29 yrs)	21.9% (36 yrs)	+12.8%	🔴 ↑
Motorcycle steering and suspension	12.1% (29 yrs)	15.6% (36 yrs)	+3.5%	🔴 ↑

Other Manufacture Years

1980 1981

← Back to Yamaha Dt175 overview

Looking for the best year to buy? See the full comparison on the Yamaha Dt175 page →

About This Data

This page shows how Yamaha Dt175 cars manufactured in 1980 perform at MOT as they age. Data spans from 2009 to 2016, covering 323 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.