1991 Yamaha Tdm850 — MOT History by Age

How cars manufactured in 1991 perform at MOT as they age

35 years

Current Age

84.4%

Latest Pass Rate

703

Total Tests (All Years)

41,554 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 1991 Yamaha Tdm850 as it ages.

18 yrs82.2%

→ ↓7.8%

19 yrs74.4%

→ ↓4.5%

20 yrs69.9%

→ ↑10.1%

21 yrs80.0%

→ ↑1.1%

22 yrs81.1%

→ ↓6.5%

23 yrs74.6%

→ ↑2.7%

24 yrs77.3%

→ ↓6.7%

25 yrs70.6%

→ ↑11.9%

26 yrs82.5%

→ ↓0.7%

27 yrs81.8%

→ ↑2.6%

32 yrs84.4%

📊 View as table

Age	Pass Rate	Tests
18 yrs	82.2%	90
19 yrs	74.4%	86
20 yrs	69.9%	83
21 yrs	80.0%	85
22 yrs	81.1%	74
23 yrs	74.6%	63
24 yrs	77.3%	66
25 yrs	70.6%	51
26 yrs	82.5%	40
27 yrs	81.8%	33
32 yrs	84.4%	32

Pass Rate Trend

How the 1991 Yamaha Tdm850 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2023 (32 yrs)	84.4%	32
2018 (27 yrs)	81.8%	33
2017 (26 yrs)	82.5%	40
2016 (25 yrs)	70.6%	51
2015 (24 yrs)	77.3%	66
2014 (23 yrs)	74.6%	63
2013 (22 yrs)	81.1%	74
2012 (21 yrs)	80%	85
2011 (20 yrs)	69.9%	83
2010 (19 yrs)	74.4%	86
2009 (18 yrs)	82.2%	90

Year-by-Year MOT Results

2009

82.2%

Age (yrs) 18Tests 90Avg Mileage 35,800Top Failure Motorcycle lighting and signalling — 13.3%

2010

74.4%

Age (yrs) 19Tests 86Avg Mileage 35,524Top Failure Motorcycle lighting and signalling — 14.0%

2011

69.9%

Age (yrs) 20Tests 83Avg Mileage 36,167Top Failure Motorcycle steering and suspension — 21.7%

2012

80.0%

Age (yrs) 21Tests 85Avg Mileage 39,125Top Failure Motorcycle steering and suspension — 12.9%

2013

81.1%

Age (yrs) 22Tests 74Avg Mileage 39,887Top Failure Motorcycle brakes — 14.9%

2014

74.6%

Age (yrs) 23Tests 63Avg Mileage 42,160Top Failure Motorcycle brakes — 31.7%

2015

77.3%

Age (yrs) 24Tests 66Avg Mileage 41,735Top Failure Motorcycle lighting and signalling — 19.7%

2016

70.6%

Age (yrs) 25Tests 51Avg Mileage 42,934Top Failure Motorcycle lighting and signalling — 23.5%

2017

82.5%

Age (yrs) 26Tests 40Avg Mileage 40,355Top Failure Motorcycle lighting and signalling — 10.0%

2018

81.8%

Age (yrs) 27Tests 33Avg Mileage 38,366Top Failure Motorcycle suspension — 12.1%

2023

84.4%

Age (yrs) 32Tests 32Avg Mileage 41,554Top Failure Motorcycle brakes — 18.8%

MOT results for 1991 Yamaha Tdm850 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	18	82.2%	90	35,800	Motorcycle lighting and signalling — 13.3%
2010	19	74.4%	86	35,524	Motorcycle lighting and signalling — 14.0%
2011	20	69.9%	83	36,167	Motorcycle steering and suspension — 21.7%
2012	21	80.0%	85	39,125	Motorcycle steering and suspension — 12.9%
2013	22	81.1%	74	39,887	Motorcycle brakes — 14.9%
2014	23	74.6%	63	42,160	Motorcycle brakes — 31.7%
2015	24	77.3%	66	41,735	Motorcycle lighting and signalling — 19.7%
2016	25	70.6%	51	42,934	Motorcycle lighting and signalling — 23.5%
2017	26	82.5%	40	40,355	Motorcycle lighting and signalling — 10.0%
2018	27	81.8%	33	38,366	Motorcycle suspension — 12.1%
2023	32	84.4%	32	41,554	Motorcycle brakes — 18.8%

Common MOT Failures

Top failure categories across all test years for 1991 Yamaha Tdm850, with age trends.

Motorcycle lighting and signalling

15.4%

↓ Decreases with age

Motorcycle steering and suspension

13.0%

↓ Decreases with age

Motorcycle brakes

12.6%

↑ Increases with age

Motorcycle lamps and reflectors

9.3%

— Consistent

Motorcycle suspension

9.2%

↓ 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 brakes	8.9% (18 yrs)	18.8% (32 yrs)	+9.9%	🔴 ↑

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 1991 perform at MOT as they age. Data spans from 2009 to 2023, covering 703 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.