1998 Yamaha Tdm850 — MOT History by Age

How cars manufactured in 1998 perform at MOT as they age

28 years

Current Age

82.4%

Latest Pass Rate

1,830

Total Tests (All Years)

33,814 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 Tdm850 as it ages.

11 yrs80.6%

→ ↓0.6%

12 yrs80.0%

→ ↑3.3%

13 yrs83.3%

→ ↑1.1%

14 yrs84.4%

→ ↓1.9%

15 yrs82.5%

→ ↓0.7%

16 yrs81.8%

→ ↓5.6%

17 yrs76.2%

→ ↑5.2%

18 yrs81.4%

→ ↑2.3%

19 yrs83.7%

→ ↓3.7%

20 yrs80.0%

→ ↑1.8%

21 yrs81.8%

→ ↑6.1%

22 yrs87.9%

→ ↓0.8%

23 yrs87.1%

→ ↓10.3%

24 yrs76.8%

→ ↑3.2%

25 yrs80.0%

→ ↑2.4%

26 yrs82.4%

📊 View as table

Age	Pass Rate	Tests
11 yrs	80.6%	165
12 yrs	80.0%	160
13 yrs	83.3%	150
14 yrs	84.4%	154
15 yrs	82.5%	143
16 yrs	81.8%	148
17 yrs	76.2%	122
18 yrs	81.4%	113
19 yrs	83.7%	104
20 yrs	80.0%	70
21 yrs	81.8%	66
22 yrs	87.9%	58
23 yrs	87.1%	85
24 yrs	76.8%	69
25 yrs	80.0%	75
26 yrs	82.4%	148

Pass Rate Trend

How the 1998 Yamaha Tdm850 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2024 (26 yrs)	82.4%	148
2023 (25 yrs)	80%	75
2022 (24 yrs)	76.8%	69
2021 (23 yrs)	87.1%	85
2020 (22 yrs)	87.9%	58
2019 (21 yrs)	81.8%	66
2018 (20 yrs)	80%	70
2017 (19 yrs)	83.7%	104
2016 (18 yrs)	81.4%	113
2015 (17 yrs)	76.2%	122
2014 (16 yrs)	81.8%	148
2013 (15 yrs)	82.5%	143
2012 (14 yrs)	84.4%	154
2011 (13 yrs)	83.3%	150
2010 (12 yrs)	80%	160
2009 (11 yrs)	80.6%	165

Year-by-Year MOT Results

2009

80.6%

Age (yrs) 11Tests 165Avg Mileage 25,708Top Failure Motorcycle lighting and signalling — 9.1%

2010

80.0%

Age (yrs) 12Tests 160Avg Mileage 28,572Top Failure Motorcycle lighting and signalling — 10.0%

2011

83.3%

Age (yrs) 13Tests 150Avg Mileage 28,279Top Failure Motorcycle lighting and signalling — 8.7%

2012

84.4%

Age (yrs) 14Tests 154Avg Mileage 28,716Top Failure Motorcycle lighting and signalling — 9.1%

2013

82.5%

Age (yrs) 15Tests 143Avg Mileage 30,049Top Failure Motorcycle brakes — 19.6%

2014

81.8%

Age (yrs) 16Tests 148Avg Mileage 30,674Top Failure Motorcycle steering and suspension — 10.8%

2015

76.2%

Age (yrs) 17Tests 122Avg Mileage 30,917Top Failure Motorcycle tyres and wheels — 11.5%

2016

81.4%

Age (yrs) 18Tests 113Avg Mileage 33,877Top Failure Motorcycle lighting and signalling — 10.6%

2017

83.7%

Age (yrs) 19Tests 104Avg Mileage 34,525Top Failure Motorcycle brakes — 11.5%

2018

80.0%

Age (yrs) 20Tests 70Avg Mileage 33,652Top Failure Motorcycle tyres and wheels — 10.0%

2019

81.8%

Age (yrs) 21Tests 66Avg Mileage 33,985Top Failure Motorcycle suspension — 13.6%

2020

87.9%

Age (yrs) 22Tests 58Avg Mileage 35,801Top Failure Motorcycle lamps and reflectors — 6.9%

2021

87.1%

Age (yrs) 23Tests 85Avg Mileage 32,533Top Failure Motorcycle lamps and reflectors — 7.1%

2022

76.8%

Age (yrs) 24Tests 69Avg Mileage 33,374Top Failure Motorcycle lamps and reflectors — 15.9%

2023

80.0%

Age (yrs) 25Tests 75Avg Mileage 34,508Top Failure Motorcycle lamps and reflectors — 22.7%

2024

82.4%

Age (yrs) 26Tests 148Avg Mileage 33,814Top Failure Motorcycle brakes — 10.8%

MOT results for 1998 Yamaha Tdm850 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	11	80.6%	165	25,708	Motorcycle lighting and signalling — 9.1%
2010	12	80.0%	160	28,572	Motorcycle lighting and signalling — 10.0%
2011	13	83.3%	150	28,279	Motorcycle lighting and signalling — 8.7%
2012	14	84.4%	154	28,716	Motorcycle lighting and signalling — 9.1%
2013	15	82.5%	143	30,049	Motorcycle brakes — 19.6%
2014	16	81.8%	148	30,674	Motorcycle steering and suspension — 10.8%
2015	17	76.2%	122	30,917	Motorcycle tyres and wheels — 11.5%
2016	18	81.4%	113	33,877	Motorcycle lighting and signalling — 10.6%
2017	19	83.7%	104	34,525	Motorcycle brakes — 11.5%
2018	20	80.0%	70	33,652	Motorcycle tyres and wheels — 10.0%
2019	21	81.8%	66	33,985	Motorcycle suspension — 13.6%
2020	22	87.9%	58	35,801	Motorcycle lamps and reflectors — 6.9%
2021	23	87.1%	85	32,533	Motorcycle lamps and reflectors — 7.1%
2022	24	76.8%	69	33,374	Motorcycle lamps and reflectors — 15.9%
2023	25	80.0%	75	34,508	Motorcycle lamps and reflectors — 22.7%
2024	26	82.4%	148	33,814	Motorcycle brakes — 10.8%

Common MOT Failures

Top failure categories across all test years for 1998 Yamaha Tdm850, with age trends.

Motorcycle lamps and reflectors

11.8%

— Consistent

Motorcycle brakes

9.4%

↑ Increases with age

Motorcycle lighting and signalling

8.3%

↓ Decreases with age

Motorcycle tyres and wheels

7.7%

↑ Increases with age

Motorcycle suspension

6.6%

↑ 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	7.3% (11 yrs)	10.8% (26 yrs)	+3.5%	🔴 ↑

Other Manufacture Years

1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001

← Back to Yamaha Tdm850 overview

Looking for the best year to buy? See the full comparison on the Yamaha Tdm850 page →

About This Data

This page shows how Yamaha Tdm850 cars manufactured in 1998 perform at MOT as they age. Data spans from 2009 to 2024, covering 1,830 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.