2004 Yamaha Xt660x — MOT History by Age

How cars manufactured in 2004 perform at MOT as they age

22 years

Current Age

77.8%

Latest Pass Rate

391

Total Tests (All Years)

27,190 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 20

This car: 77.8%

Average: 56.6%

✅ 21.2% above average (6824 models compared)

How This Car Ages

Pass rate progression for the 2004 Yamaha Xt660x as it ages.

5 yrs78.8%

→ ↓0.1%

6 yrs78.7%

→ ↑0.6%

7 yrs79.3%

→ ↑1.1%

8 yrs80.4%

→ ↑1.2%

9 yrs81.6%

→ ↓11.1%

10 yrs70.5%

→ ↑13.4%

11 yrs83.9%

→ ↓6.1%

20 yrs77.8%

📊 View as table

Age	Pass Rate	Tests
5 yrs	78.8%	66
6 yrs	78.7%	61
7 yrs	79.3%	58
8 yrs	80.4%	46
9 yrs	81.6%	49
10 yrs	70.5%	44
11 yrs	83.9%	31
20 yrs	77.8%	36

Pass Rate Trend

How the 2004 Yamaha Xt660x pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2024 (20 yrs)	77.8%	36
2015 (11 yrs)	83.9%	31
2014 (10 yrs)	70.5%	44
2013 (9 yrs)	81.6%	49
2012 (8 yrs)	80.4%	46
2011 (7 yrs)	79.3%	58
2010 (6 yrs)	78.7%	61
2009 (5 yrs)	78.8%	66

Year-by-Year MOT Results

2009

78.8%

Age (yrs) 5Tests 66Avg Mileage 10,950Top Failure Motorcycle tyres and wheels — 10.6%

2010

78.7%

Age (yrs) 6Tests 61Avg Mileage 12,707Top Failure Motorcycle lighting and signalling — 8.2%

2011

79.3%

Age (yrs) 7Tests 58Avg Mileage 14,026Top Failure Motorcycle tyres and wheels — 12.1%

2012

80.4%

Age (yrs) 8Tests 46Avg Mileage 16,577Top Failure Motorcycle lighting and signalling — 10.9%

2013

81.6%

Age (yrs) 9Tests 49Avg Mileage 18,239Top Failure Motorcycle steering and suspension — 16.3%

2014

70.5%

Age (yrs) 10Tests 44Avg Mileage 16,491Top Failure Motorcycle lighting and signalling — 22.7%

2015

83.9%

Age (yrs) 11Tests 31Avg Mileage 17,493Top Failure Motorcycle drive system — 22.6%

2024

77.8%

Age (yrs) 20Tests 36Avg Mileage 27,190Top Failure Motorcycle audible warning (Horn) — 13.9%

MOT results for 2004 Yamaha Xt660x by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	5	78.8%	66	10,950	Motorcycle tyres and wheels — 10.6%
2010	6	78.7%	61	12,707	Motorcycle lighting and signalling — 8.2%
2011	7	79.3%	58	14,026	Motorcycle tyres and wheels — 12.1%
2012	8	80.4%	46	16,577	Motorcycle lighting and signalling — 10.9%
2013	9	81.6%	49	18,239	Motorcycle steering and suspension — 16.3%
2014	10	70.5%	44	16,491	Motorcycle lighting and signalling — 22.7%
2015	11	83.9%	31	17,493	Motorcycle drive system — 22.6%
2024	20	77.8%	36	27,190	Motorcycle audible warning (Horn) — 13.9%

Common MOT Failures

Top failure categories across all test years for 2004 Yamaha Xt660x, with age trends.

Motorcycle audible warning (Horn)

13.9%

— Consistent

Motorcycle tyres

11.1%

— Consistent

Motorcycle lighting and signalling

10.7%

↓ Decreases with age

Motorcycle drive system

9.5%

↑ Increases with age

Motorcycle tyres and wheels

9.2%

— 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	9.1% (5 yrs)	2.8% (20 yrs)	-6.3%	🟢 ↓

Other Manufacture Years

2004 2005 2006 2007 2008 2009 2010 2011

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About This Data

This page shows how Yamaha Xt660x cars manufactured in 2004 perform at MOT as they age. Data spans from 2009 to 2024, covering 391 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.