Common Triumph Thunderbird 1600 MOT failures
Based on 3,393 Triumph Thunderbird 1600 tests on record carrying an official DVSA defect code, so every category below is counted from real failures rather than estimated.
Full Triumph Thunderbird 1600 MOT data, pass rate and models →
Real DVSA defect codes
Every category comes from the official MOT Inspection Manual section code DVSA attaches to each defect, not guessed from keywords.
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The whole national record
Built from DVSA's published MOT data for Great Britain, not only from vehicles looked up here.
See the breakdown for one make or model
Defaults to every make on record.
Where MOT tests find problems: Triumph Thunderbird 1600
A test can find problems in more than one category, so the figures above do not sum to 100%. Each percentage is the share of classifiable tests that found at least one defect in that category. Based on 3,393 classifiable tests for Triumph Thunderbird 1600.
What Triumph Thunderbird 1600 failures look like
3,393 Triumph Thunderbird 1600 tests on record carry the manual reference DVSA attaches to each defect. The most frequent problems were with axles, wheels, tyres and suspension on 517 tests (15.2%), with brakes on 489 tests (14.4%) and with lamps, reflectors and electrical equipment on 165 tests (4.9%). A test can fail on more than one thing, and an MOT can be failed on one defect while another is only advised, so these counts do not add up to the number of tests.
Narrowed down from the categories to the individual defects themselves, three come up on more than one test:
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Tyre worn close to legal limit/worn on edge
MOT inspection manual reference 5.2.3, in axles, wheels, tyres and suspension
Recorded on 385 of the 3,393 tests: 54 failures and 331 advisories or minors.
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Service brake binding but not excessively
MOT inspection manual reference 1.2.1, in brakes
Recorded on 218 of the 3,393 tests: 34 failures and 184 advisories or minors.
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Brake pad(s) wearing thin
MOT inspection manual reference 1.1.13, in brakes
Recorded on 203 of the 3,393 tests: 25 failures and 178 advisories or minors.
Where there is enough data to compare: Triumph Bonneville (154,321 tests), Triumph Tiger (147,000 tests), Triumph Sprint (60,302 tests), Triumph Speed Triple (49,320 tests), every Triumph model (929,475 tests).
Clauses are read from the manual reference at the end of every defect on the cached test records, and a defect shown here has to appear on at least two of them before it is named. The site-wide breakdown explains how that works and compares every make.