1998 Yamaha Dt125 — MOT History by Age

How cars manufactured in 1998 perform at MOT as they age

28 years

Current Age

88.6%

Latest Pass Rate

638

Total Tests (All Years)

16,925 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 1998 Yamaha Dt125 as it ages.

11 yrs53.5%

→ ↑6.5%

12 yrs60.0%

→ ↑12.9%

13 yrs72.9%

→ ↓16.6%

14 yrs56.3%

→ ↑0.1%

15 yrs56.4%

→ ↑4.5%

16 yrs60.9%

→ ↑9.4%

17 yrs70.3%

→ ↓8.1%

18 yrs62.2%

→ ↑11.7%

19 yrs73.9%

→ ↑0.5%

20 yrs74.4%

→ ↓4.4%

21 yrs70.0%

→ ↑13.9%

25 yrs83.9%

→ ↑4.7%

26 yrs88.6%

📊 View as table

Age	Pass Rate	Tests
11 yrs	53.5%	71
12 yrs	60.0%	70
13 yrs	72.9%	59
14 yrs	56.3%	64
15 yrs	56.4%	55
16 yrs	60.9%	46
17 yrs	70.3%	37
18 yrs	62.2%	45
19 yrs	73.9%	46
20 yrs	74.4%	39
21 yrs	70.0%	40
25 yrs	83.9%	31
26 yrs	88.6%	35

Pass Rate Trend

How the 1998 Yamaha Dt125 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2024 (26 yrs)	88.6%	35
2023 (25 yrs)	83.9%	31
2019 (21 yrs)	70%	40
2018 (20 yrs)	74.4%	39
2017 (19 yrs)	73.9%	46
2016 (18 yrs)	62.2%	45
2015 (17 yrs)	70.3%	37
2014 (16 yrs)	60.9%	46
2013 (15 yrs)	56.4%	55
2012 (14 yrs)	56.3%	64
2011 (13 yrs)	72.9%	59
2010 (12 yrs)	60%	70
2009 (11 yrs)	53.5%	71

Year-by-Year MOT Results

2009High Fail Rate

53.5%

Age (yrs) 11Tests 71Avg Mileage 16,498Top Failure Motorcycle lighting and signalling — 38.0%

2010High Fail Rate

60.0%

Age (yrs) 12Tests 70Avg Mileage 18,399Top Failure Motorcycle lighting and signalling — 28.6%

2011

72.9%

Age (yrs) 13Tests 59Avg Mileage 18,820Top Failure Motorcycle lighting and signalling — 18.6%

2012High Fail Rate

56.3%

Age (yrs) 14Tests 64Avg Mileage 20,359Top Failure Motorcycle lighting and signalling — 26.6%

2013High Fail Rate

56.4%

Age (yrs) 15Tests 55Avg Mileage 21,153Top Failure Motorcycle lighting and signalling — 65.5%

2014High Fail Rate

60.9%

Age (yrs) 16Tests 46Avg Mileage 21,069Top Failure Motorcycle lighting and signalling — 76.1%

2015

70.3%

Age (yrs) 17Tests 37Avg Mileage 27,579Top Failure Motorcycle lighting and signalling — 40.5%

2016High Fail Rate

62.2%

Age (yrs) 18Tests 45Avg Mileage 23,735Top Failure Motorcycle lighting and signalling — 82.2%

2017

73.9%

Age (yrs) 19Tests 46Avg Mileage 22,012Top Failure Motorcycle lighting and signalling — 26.1%

2018

74.4%

Age (yrs) 20Tests 39Avg Mileage 19,922Top Failure Motorcycle brakes — 25.6%

2019

70.0%

Age (yrs) 21Tests 40Avg Mileage 20,022Top Failure Motorcycle structure and attachments — 25.0%

2023

83.9%

Age (yrs) 25Tests 31Avg Mileage 23,204Top Failure Motorcycle lamps and reflectors — 32.3%

2024

88.6%

Age (yrs) 26Tests 35Avg Mileage 16,925Top Failure Motorcycle lamps and reflectors — 14.3%

MOT results for 1998 Yamaha Dt125 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	11	53.5%	71	16,498	Motorcycle lighting and signalling — 38.0%
2010	12	60.0%	70	18,399	Motorcycle lighting and signalling — 28.6%
2011	13	72.9%	59	18,820	Motorcycle lighting and signalling — 18.6%
2012	14	56.3%	64	20,359	Motorcycle lighting and signalling — 26.6%
2013	15	56.4%	55	21,153	Motorcycle lighting and signalling — 65.5%
2014	16	60.9%	46	21,069	Motorcycle lighting and signalling — 76.1%
2015	17	70.3%	37	27,579	Motorcycle lighting and signalling — 40.5%
2016	18	62.2%	45	23,735	Motorcycle lighting and signalling — 82.2%
2017	19	73.9%	46	22,012	Motorcycle lighting and signalling — 26.1%
2018	20	74.4%	39	19,922	Motorcycle brakes — 25.6%
2019	21	70.0%	40	20,022	Motorcycle structure and attachments — 25.0%
2023	25	83.9%	31	23,204	Motorcycle lamps and reflectors — 32.3%
2024	26	88.6%	35	16,925	Motorcycle lamps and reflectors — 14.3%

Common MOT Failures

Top failure categories across all test years for 1998 Yamaha Dt125, with age trends.

Motorcycle lighting and signalling

41.0%

↓ Decreases with age

Motorcycle steering and suspension

25.3%

↓ Decreases with age

Motorcycle brakes

19.1%

↓ Decreases with age

Motorcycle tyres and wheels

18.6%

— Consistent

Motorcycle lamps and reflectors

18.6%

↑ Increases 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	21.1% (11 yrs)	5.7% (26 yrs)	-15.4%	🟢 ↓

Other Manufacture Years

Looking for the best year to buy? See the full comparison on the Yamaha Dt125 page →

About This Data

This page shows how Yamaha Dt125 cars manufactured in 1998 perform at MOT as they age. Data spans from 2009 to 2024, covering 638 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.