1998 Yamaha Unclassified — MOT History by Age

How cars manufactured in 1998 perform at MOT as they age

28 years

Current Age

88.2%

Latest Pass Rate

2,521

Total Tests (All Years)

20,143 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 Unclassified as it ages.

11 yrs74.3%

→ ↑2.1%

12 yrs76.4%

→ ↑4.4%

13 yrs80.8%

→ ↓2.0%

14 yrs78.8%

→ ↑4.7%

15 yrs83.5%

→ ↑2.2%

16 yrs85.7%

→ ↓0.5%

17 yrs85.2%

→ ↓8.1%

18 yrs77.1%

→ ↑6.0%

19 yrs83.1%

→ ↓2.9%

20 yrs80.2%

→ ↓0.7%

21 yrs79.5%

→ ↑4.6%

22 yrs84.1%

→ ↓4.7%

23 yrs79.4%

→ ↑3.8%

24 yrs83.2%

→ ↑1.0%

25 yrs84.2%

→ ↑4.0%

26 yrs88.2%

📊 View as table

Age	Pass Rate	Tests
11 yrs	74.3%	288
12 yrs	76.4%	220
13 yrs	80.8%	219
14 yrs	78.8%	193
15 yrs	83.5%	164
16 yrs	85.7%	133
17 yrs	85.2%	135
18 yrs	77.1%	144
19 yrs	83.1%	118
20 yrs	80.2%	81
21 yrs	79.5%	83
22 yrs	84.1%	69
23 yrs	79.4%	170
24 yrs	83.2%	137
25 yrs	84.2%	146
26 yrs	88.2%	221

Pass Rate Trend

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

📊 View as table

Built	Pass Rate	Tests
2024 (26 yrs)	88.2%	221
2023 (25 yrs)	84.2%	146
2022 (24 yrs)	83.2%	137
2021 (23 yrs)	79.4%	170
2020 (22 yrs)	84.1%	69
2019 (21 yrs)	79.5%	83
2018 (20 yrs)	80.2%	81
2017 (19 yrs)	83.1%	118
2016 (18 yrs)	77.1%	144
2015 (17 yrs)	85.2%	135
2014 (16 yrs)	85.7%	133
2013 (15 yrs)	83.5%	164
2012 (14 yrs)	78.8%	193
2011 (13 yrs)	80.8%	219
2010 (12 yrs)	76.4%	220
2009 (11 yrs)	74.3%	288

Year-by-Year MOT Results

2009

74.3%

Age (yrs) 11Tests 288Avg Mileage 20,996Top Failure Motorcycle lighting and signalling — 14.6%

2010

76.4%

Age (yrs) 12Tests 220Avg Mileage 21,965Top Failure Motorcycle lighting and signalling — 11.8%

2011

80.8%

Age (yrs) 13Tests 219Avg Mileage 22,838Top Failure Motorcycle lighting and signalling — 10.0%

2012

78.8%

Age (yrs) 14Tests 193Avg Mileage 23,621Top Failure Motorcycle lighting and signalling — 12.4%

2013

83.5%

Age (yrs) 15Tests 164Avg Mileage 24,019Top Failure Motorcycle lighting and signalling — 10.4%

2014

85.7%

Age (yrs) 16Tests 133Avg Mileage 25,025Top Failure Motorcycle lighting and signalling — 10.5%

2015

85.2%

Age (yrs) 17Tests 135Avg Mileage 23,183Top Failure Motorcycle lighting and signalling — 16.3%

2016

77.1%

Age (yrs) 18Tests 144Avg Mileage 24,491Top Failure Motorcycle lighting and signalling — 18.8%

2017

83.1%

Age (yrs) 19Tests 118Avg Mileage 26,248Top Failure Motorcycle lighting and signalling — 10.2%

2018

80.2%

Age (yrs) 20Tests 81Avg Mileage 23,580Top Failure Motorcycle suspension — 16.0%

2019

79.5%

Age (yrs) 21Tests 83Avg Mileage 26,753Top Failure Motorcycle lamps and reflectors — 19.3%

2020

84.1%

Age (yrs) 22Tests 69Avg Mileage 22,784Top Failure Motorcycle lamps and reflectors — 13.0%

2021

79.4%

Age (yrs) 23Tests 170Avg Mileage 25,926Top Failure Motorcycle lamps and reflectors — 17.6%

2022

83.2%

Age (yrs) 24Tests 137Avg Mileage 22,483Top Failure Motorcycle brakes — 15.3%

2023

84.2%

Age (yrs) 25Tests 146Avg Mileage 22,398Top Failure Motorcycle lamps and reflectors — 11.6%

2024

88.2%

Age (yrs) 26Tests 221Avg Mileage 20,143Top Failure Motorcycle brakes — 7.7%

MOT results for 1998 Yamaha Unclassified by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	11	74.3%	288	20,996	Motorcycle lighting and signalling — 14.6%
2010	12	76.4%	220	21,965	Motorcycle lighting and signalling — 11.8%
2011	13	80.8%	219	22,838	Motorcycle lighting and signalling — 10.0%
2012	14	78.8%	193	23,621	Motorcycle lighting and signalling — 12.4%
2013	15	83.5%	164	24,019	Motorcycle lighting and signalling — 10.4%
2014	16	85.7%	133	25,025	Motorcycle lighting and signalling — 10.5%
2015	17	85.2%	135	23,183	Motorcycle lighting and signalling — 16.3%
2016	18	77.1%	144	24,491	Motorcycle lighting and signalling — 18.8%
2017	19	83.1%	118	26,248	Motorcycle lighting and signalling — 10.2%
2018	20	80.2%	81	23,580	Motorcycle suspension — 16.0%
2019	21	79.5%	83	26,753	Motorcycle lamps and reflectors — 19.3%
2020	22	84.1%	69	22,784	Motorcycle lamps and reflectors — 13.0%
2021	23	79.4%	170	25,926	Motorcycle lamps and reflectors — 17.6%
2022	24	83.2%	137	22,483	Motorcycle brakes — 15.3%
2023	25	84.2%	146	22,398	Motorcycle lamps and reflectors — 11.6%
2024	26	88.2%	221	20,143	Motorcycle brakes — 7.7%

Common MOT Failures

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

Motorcycle lamps and reflectors

12.9%

↓ Decreases with age

Motorcycle lighting and signalling

12.8%

↓ Decreases with age

Motorcycle brakes

9.3%

— Consistent

Motorcycle structure and attachments

7.9%

↓ Decreases with age

Motorcycle suspension

7.8%

↓ 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	10.4% (11 yrs)	7.7% (26 yrs)	-2.7%	🟢 ↓

Other Manufacture Years

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

About This Data

This page shows how Yamaha Unclassified cars manufactured in 1998 perform at MOT as they age. Data spans from 2009 to 2024, covering 2,521 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.