1999 Yamaha Dt125 — MOT History by Age

How cars manufactured in 1999 perform at MOT as they age

27 years

Current Age

47.4%

Latest Pass Rate

1,294

Total Tests (All Years)

17,372 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 1999 Yamaha Dt125 as it ages.

10 yrs62.3%

→ ↓4.2%

11 yrs58.1%

→ ↓1.2%

12 yrs56.9%

→ ↓7.8%

13 yrs49.1%

→ ↑9.6%

14 yrs58.7%

→ ↓0.7%

15 yrs58.0%

→ ↑7.4%

16 yrs65.4%

→ ↓4.7%

17 yrs60.7%

→ ↑8.8%

18 yrs69.5%

→ ↓4.0%

19 yrs65.5%

→ ↑19.1%

20 yrs84.6%

→ ↓2.2%

21 yrs82.4%

→ ↓10.6%

22 yrs71.8%

→ ↓2.4%

23 yrs69.4%

→ ↑3.3%

24 yrs72.7%

→ ↓25.3%

25 yrs47.4%

📊 View as table

Age	Pass Rate	Tests
10 yrs	62.3%	130
11 yrs	58.1%	129
12 yrs	56.9%	123
13 yrs	49.1%	110
14 yrs	58.7%	104
15 yrs	58.0%	88
16 yrs	65.4%	78
17 yrs	60.7%	84
18 yrs	69.5%	82
19 yrs	65.5%	55
20 yrs	84.6%	52
21 yrs	82.4%	51
22 yrs	71.8%	39
23 yrs	69.4%	49
24 yrs	72.7%	44
25 yrs	47.4%	76

Pass Rate Trend

How the 1999 Yamaha Dt125 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2024 (25 yrs)	47.4%	76
2023 (24 yrs)	72.7%	44
2022 (23 yrs)	69.4%	49
2021 (22 yrs)	71.8%	39
2020 (21 yrs)	82.4%	51
2019 (20 yrs)	84.6%	52
2018 (19 yrs)	65.5%	55
2017 (18 yrs)	69.5%	82
2016 (17 yrs)	60.7%	84
2015 (16 yrs)	65.4%	78
2014 (15 yrs)	58%	88
2013 (14 yrs)	58.7%	104
2012 (13 yrs)	49.1%	110
2011 (12 yrs)	56.9%	123
2010 (11 yrs)	58.1%	129
2009 (10 yrs)	62.3%	130

Year-by-Year MOT Results

2009High Fail Rate

62.3%

Age (yrs) 10Tests 130Avg Mileage 16,015Top Failure Motorcycle lighting and signalling — 25.4%

2010High Fail Rate

58.1%

Age (yrs) 11Tests 129Avg Mileage 18,504Top Failure Motorcycle lighting and signalling — 27.9%

2011High Fail Rate

56.9%

Age (yrs) 12Tests 123Avg Mileage 18,359Top Failure Motorcycle lighting and signalling — 33.3%

2012High Fail Rate

49.1%

Age (yrs) 13Tests 110Avg Mileage 20,273Top Failure Motorcycle lighting and signalling — 38.2%

2013High Fail Rate

58.7%

Age (yrs) 14Tests 104Avg Mileage 19,687Top Failure Motorcycle lighting and signalling — 70.2%

2014High Fail Rate

58.0%

Age (yrs) 15Tests 88Avg Mileage 22,940Top Failure Motorcycle lighting and signalling — 58.0%

2015

65.4%

Age (yrs) 16Tests 78Avg Mileage 21,973Top Failure Motorcycle lighting and signalling — 59.0%

2016High Fail Rate

60.7%

Age (yrs) 17Tests 84Avg Mileage 20,758Top Failure Motorcycle steering and suspension — 35.7%

2017

69.5%

Age (yrs) 18Tests 82Avg Mileage 20,328Top Failure Motorcycle lighting and signalling — 57.3%

2018

65.5%

Age (yrs) 19Tests 55Avg Mileage 21,748Top Failure Motorcycle lamps and reflectors — 30.9%

2019

84.6%

Age (yrs) 20Tests 52Avg Mileage 20,885Top Failure Motorcycle lamps and reflectors — 17.3%

2020

82.4%

Age (yrs) 21Tests 51Avg Mileage 19,778Top Failure Motorcycle lamps and reflectors — 47.1%

2021

71.8%

Age (yrs) 22Tests 39Avg Mileage 21,777Top Failure Motorcycle lamps and reflectors — 30.8%

2022

69.4%

Age (yrs) 23Tests 49Avg Mileage 19,774Top Failure Motorcycle lamps and reflectors — 22.4%

2023

72.7%

Age (yrs) 24Tests 44Avg Mileage 20,494Top Failure Motorcycle lamps and reflectors — 31.8%

2024High Fail Rate

47.4%

Age (yrs) 25Tests 76Avg Mileage 17,372Top Failure Motorcycle lamps and reflectors — 52.6%

MOT results for 1999 Yamaha Dt125 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	10	62.3%	130	16,015	Motorcycle lighting and signalling — 25.4%
2010	11	58.1%	129	18,504	Motorcycle lighting and signalling — 27.9%
2011	12	56.9%	123	18,359	Motorcycle lighting and signalling — 33.3%
2012	13	49.1%	110	20,273	Motorcycle lighting and signalling — 38.2%
2013	14	58.7%	104	19,687	Motorcycle lighting and signalling — 70.2%
2014	15	58.0%	88	22,940	Motorcycle lighting and signalling — 58.0%
2015	16	65.4%	78	21,973	Motorcycle lighting and signalling — 59.0%
2016	17	60.7%	84	20,758	Motorcycle steering and suspension — 35.7%
2017	18	69.5%	82	20,328	Motorcycle lighting and signalling — 57.3%
2018	19	65.5%	55	21,748	Motorcycle lamps and reflectors — 30.9%
2019	20	84.6%	52	20,885	Motorcycle lamps and reflectors — 17.3%
2020	21	82.4%	51	19,778	Motorcycle lamps and reflectors — 47.1%
2021	22	71.8%	39	21,777	Motorcycle lamps and reflectors — 30.8%
2022	23	69.4%	49	19,774	Motorcycle lamps and reflectors — 22.4%
2023	24	72.7%	44	20,494	Motorcycle lamps and reflectors — 31.8%
2024	25	47.4%	76	17,372	Motorcycle lamps and reflectors — 52.6%

Common MOT Failures

Top failure categories across all test years for 1999 Yamaha Dt125, with age trends.

Motorcycle lighting and signalling

42.9%

— Consistent

Motorcycle lamps and reflectors

33.3%

↑ Increases with age

Motorcycle steering and suspension

26.5%

↑ Increases with age

Motorcycle brakes

22.8%

↑ Increases with age

Motorcycle tyres and wheels

20.1%

— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Motorcycle brakes	11.5% (10 yrs)	18.4% (25 yrs)	+6.9%	🔴 ↑

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 1999 perform at MOT as they age. Data spans from 2009 to 2024, covering 1,294 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.