1991 Yamaha Xt600 — MOT History by Age

How cars manufactured in 1991 perform at MOT as they age

35 years

Current Age

81.8%

Latest Pass Rate

358

Total Tests (All Years)

35,046 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 Xt600 as it ages.

18 yrs80.0%

→ ↓6.2%

19 yrs73.8%

→ ↑10.5%

20 yrs84.3%

→ ↓6.5%

21 yrs77.8%

→ ↓17.3%

22 yrs60.5%

→ ↑19.5%

23 yrs80.0%

→ ↑7.5%

24 yrs87.5%

→ ↓6.2%

25 yrs81.3%

→ ↑0.5%

26 yrs81.8%

📊 View as table

Age	Pass Rate	Tests
18 yrs	80.0%	50
19 yrs	73.8%	42
20 yrs	84.3%	51
21 yrs	77.8%	45
22 yrs	60.5%	38
23 yrs	80.0%	35
24 yrs	87.5%	32
25 yrs	81.3%	32
26 yrs	81.8%	33

Pass Rate Trend

How the 1991 Yamaha Xt600 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2017 (26 yrs)	81.8%	33
2016 (25 yrs)	81.3%	32
2015 (24 yrs)	87.5%	32
2014 (23 yrs)	80%	35
2013 (22 yrs)	60.5%	38
2012 (21 yrs)	77.8%	45
2011 (20 yrs)	84.3%	51
2010 (19 yrs)	73.8%	42
2009 (18 yrs)	80%	50

Year-by-Year MOT Results

2009

80.0%

Age (yrs) 18Tests 50Avg Mileage 32,998Top Failure Motorcycle lighting and signalling — 16.0%

2010

73.8%

Age (yrs) 19Tests 42Avg Mileage 33,136Top Failure Motorcycle steering and suspension — 16.7%

2011

84.3%

Age (yrs) 20Tests 51Avg Mileage 32,501Top Failure Motorcycle steering and suspension — 9.8%

2012

77.8%

Age (yrs) 21Tests 45Avg Mileage 39,081Top Failure Motorcycle steering and suspension — 17.8%

2013High Fail Rate

60.5%

Age (yrs) 22Tests 38Avg Mileage 35,171Top Failure Motorcycle steering and suspension — 34.2%

2014

80.0%

Age (yrs) 23Tests 35Avg Mileage 35,635Top Failure Motorcycle tyres and wheels — 20.0%

2015

87.5%

Age (yrs) 24Tests 32Avg Mileage 36,143Top Failure Motorcycle lighting and signalling — 15.6%

2016

81.3%

Age (yrs) 25Tests 32Avg Mileage 35,903Top Failure Motorcycle steering and suspension — 21.9%

2017

81.8%

Age (yrs) 26Tests 33Avg Mileage 35,046Top Failure Motorcycle lighting and signalling — 27.3%

MOT results for 1991 Yamaha Xt600 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	18	80.0%	50	32,998	Motorcycle lighting and signalling — 16.0%
2010	19	73.8%	42	33,136	Motorcycle steering and suspension — 16.7%
2011	20	84.3%	51	32,501	Motorcycle steering and suspension — 9.8%
2012	21	77.8%	45	39,081	Motorcycle steering and suspension — 17.8%
2013	22	60.5%	38	35,171	Motorcycle steering and suspension — 34.2%
2014	23	80.0%	35	35,635	Motorcycle tyres and wheels — 20.0%
2015	24	87.5%	32	36,143	Motorcycle lighting and signalling — 15.6%
2016	25	81.3%	32	35,903	Motorcycle steering and suspension — 21.9%
2017	26	81.8%	33	35,046	Motorcycle lighting and signalling — 27.3%

Common MOT Failures

Top failure categories across all test years for 1991 Yamaha Xt600, with age trends.

Motorcycle lighting and signalling

17.3%

↑ Increases with age

Motorcycle brakes

14.5%

— Consistent

Motorcycle steering and suspension

14.2%

↑ Increases with age

Motorcycle drive system

9.9%

↑ Increases with age

Motorcycle tyres and wheels

9.9%

— Consistent

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	16.0% (18 yrs)	27.3% (26 yrs)	+11.3%	🔴 ↑
Motorcycle drive system	10.0% (18 yrs)	15.2% (26 yrs)	+5.2%	🔴 ↑
Motorcycle steering and suspension	6.0% (18 yrs)	9.1% (26 yrs)	+3.1%	🔴 ↑
Motorcycle brakes	8.0% (18 yrs)	9.1% (26 yrs)	+1.1%	⚪ —

Other Manufacture Years

1984 1985 1986 1987 1988 1989 1990 1991 1992 1995 1998 1999 2000 2001 2002 2003

← Back to Yamaha Xt600 overview

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About This Data

This page shows how Yamaha Xt600 cars manufactured in 1991 perform at MOT as they age. Data spans from 2009 to 2017, covering 358 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.