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MOT History from tests of petrol TRIUMPH T20s year 1959

Review the list of common TRIUMPH T20 failures below or to perform a specific mot history check on your TRIUMPH then use our popular KnowYourCar service

mot history
Pass percent:89.47%
(The average a petrol TRIUMPH T20 year 1959 passes without issue)
Based on:76 MOT Tests
Most common failuresNo# failures
Front Brake component is fractured |3.1.5|1
Handlebar mounting clamp loose |2.1.1a|1
Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b|1
Front Wheel has an excessively distorted bead rim. |4.2.2|1
Brake component has an inadequate repair |3.1.5|1
Floor brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.C1b|1
Horn not working |1.7.3a|1
Headlamp aim out of alignment1
Rear position lamp does not illuminate immediately when it is switched on |1.1.3a|1
Offside Front Footrest insecure |6.2.1a|1
Front Brake back plate|s| securing bolt|s| loose |3.2.A1j|1
Drive chain excessively tight |6.2.1d|1
Nearside Handlebar handgrip not secure to handlebars. |2.1.1c|1
Front wheel insecure (4.2.3b)1
Rear suspension bush has excessive free play swinging arm (2.4.A2a(i))1
Rear Brake reaction bracket securing bolt(s) loose (3.2.A1j)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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