DVSA Statistics
1998 Triumph Thunderbird
MOT Pass Rate & Pre-MOT Checklist
Used 1998 Triumph Thunderbirds usually pass their MOT, but around 3% still fail, most often for exhaust noise levels in excess of those permitted, a stop lamp(s) does not illuminate by the operation of both brake controls or remains on when the brakes are released and number plate does not conform to the specified requirements. Based on 195 MOT tests from DVSA data, this page shows how this model performs and what to check before your test.
Pass Rate
Based on 195 DVSA anonymised MOT tests · About this data
Pass Rate
96.9%
Higher than average
Top Failure Reasons
Common MOT failures for this model
Quick DIY Fix
Brake light bulbs are easy to replace yourself.
Based on DVSA statistics from 195 recorded tests.
Pre-MOT Checklist for 1998 Triumph Thunderbird
Based on common failure points for this model, check these items before your MOT:
- 1
Check exhaust for leaks, holes, or excessive corrosion - listen for blowing
Exhaust – Common fail on this model
- 2
Check brake lights illuminate when pedal is pressed - have someone help you check
Lighting – Common fail on this model
- 3
Test brakes for effectiveness, pull, and unusual noises when driving
Brakes – Common fail on this model
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Frequently Asked Questions
Is a 1998 Triumph Thunderbird likely to fail its MOT?
Based on DVSA statistics, the 1998 Triumph Thunderbird has a 96.9% MOT pass rate. This is above average, indicating good reliability for a vehicle of this age.
What are the most common MOT failures on a 1998 Triumph Thunderbird?
The most common MOT failure reasons for a 1998 Triumph Thunderbird are: exhaust noise levels in excess of those permitted, a stop lamp(s) does not illuminate by the operation of both brake controls or remains on when the brakes are released, number plate does not conform to the specified requirements. Many of these can be checked and fixed before your test to improve your chances of passing.
How can I reduce the chance my 1998 Triumph Thunderbird fails its MOT?
To improve your chances of passing, check the items that commonly fail on this model: exhaust noise levels in excess of those permitted, a stop lamp(s) does not illuminate by the operation of both brake controls or remains on when the brakes are released, number plate does not conform to the specified requirements. Use our pre-MOT checklist above to identify potential issues before your test. Many common failures are easy DIY fixes.
How many 1998 Triumph Thunderbirds fail their MOT?
Around 3% of 1998 Triumph Thunderbirds fail their MOT test. The most common reasons are exhaust noise levels in excess of those permitted and a stop lamp(s) does not illuminate by the operation of both brake controls or remains on when the brakes are released. Pre-checking these items can significantly improve your chances.
What should I check before my 1998 Triumph Thunderbird MOT?
Before your 1998 Triumph Thunderbird MOT, check these commonly-failed items: exhaust noise levels in excess of those permitted, a stop lamp(s) does not illuminate by the operation of both brake controls or remains on when the brakes are released, number plate does not conform to the specified requirements. Most are visual checks you can do at home – look for worn tyres, test all lights work, and check for obvious damage or leaks.
Is the 1998 Triumph Thunderbird reliable for MOT?
With a 96.9% MOT pass rate, the 1998 Triumph Thunderbird performs above average compared to typical vehicles. This suggests good overall condition for a vehicle of this age.