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MOT History from tests of petrol TRIUMPH THUNDERBIRDs year 1950

Review the list of common TRIUMPH THUNDERBIRD failures below or to perform a specific mot history check on your TRIUMPH then use our popular KnowYourCar service

mot history
Pass percent:94.05%
(The average a petrol TRIUMPH THUNDERBIRD year 1950 passes without issue)
Based on:84 MOT Tests
Most common failuresNo# failures
Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b|1
Nearside Handlebar handgrip not secure to handlebars. |2.1.1c|1
Offside Handlebar handgrip not secure to handlebars. |2.1.1c|1
Rear reflector on sidecar missing |1.4.1|1
Stop lamp does not illuminate immediately a brake applies |1.3.1a|1
Rear wheel spindle loose |2.4.A.2b|1
Rear Stop lamp remains on when the brake is released |1.3.1e|1
Throttle operating incorrectly loose on bars |6.2.1f|1
Front Front wheel bearings are excessively rough |2.3.5b|1

We get to these numbers by trawling through over 1 billion MOT test results since 2004 and crunched the numbers. We remove anything to do with Tyres, as they are model independent and group together common non-model specific issues. We are trying to get to a picture of what models have what issues.

Please note: We take the data from the DVSA. This data is raw and can contain typos and spelling mistakes that garages may have entered while recording a MOT result. Specifically miss-match on names of models and makes. We are constantly cleaning the data so bear with the odd issue.

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