The MOT Files

Motorcycle reliability file

Triumph Thruxton MOT pass rate & common failures

From 2,656 recorded MOT tests of the Triumph Thruxton, published by DVSA.

Data updated

Quick answer

The Triumph Thruxton passes 89.8% of MOT tests once adjusted for age and mileage, ranking 12 of 36 motorcycle models, against 86.5% for all motorcycles. The most recorded failure is "Number plate does not conform to the specified requirements", in 17.5% of failed tests.

At a glance

Pass rate, adjusted for age and mileage

89.8%adjusted · 90.5% raw · rank 12 of 362,656 tests

3.2 points above the fleet average of 86.5%.

DVSA recorded wording

Most common failure items

Share of failed Triumph Thruxton tests in which each item was recorded. One failed test often lists several, so these do not sum to 100%.

  1. 1.Number plate does not conform to the specified requirements17.5%

    25 occurrences

  2. 2.Reflector missing or reflecting white to the rear14.7%

    21 occurrences

  3. 3.Stop lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning9.8%

    14 occurrences

  4. 4.Excessive fluctuation in brake effort through each wheel revolution9.1%

    13 occurrences

  5. 5.A headlamp missing, inoperative or more than ½ not functioning in the case of LED8.4%

    12 occurrences

  6. 6.Brake lining or pad worn below 1.0mm7.7%

    11 occurrences

  7. 7.A shock absorber not functioning or leaking severely7.7%

    11 occurrences

  8. 8.Headlamp aim unable to be tested6.3%

    9 occurrences

  9. 9.Audible warning not working6.3%

    9 occurrences

  10. 10.A rear registration plate lamp or light source missing or inoperative in the case of a single lamp or all lamps5.6%

    8 occurrences

  11. 11.Tyre tread depth not in accordance with the requirements5.6%

    8 occurrences

  12. 12.A lamp missing or inoperative5.6%

    8 occurrences

Warnings without a failure

Most common advisories

Share of all Triumph Thruxton tests carrying each advisory.

  1. 1.Exhaust noise levels in excess of those permitted6.6%

    175 tests

  2. 2.Tyre tread depth not in accordance with the requirements5.9%

    156 tests

  3. 3.Brake lining or pad worn below 1.0mm3.8%

    101 tests

  4. 4.Excessive fluctuation in brake effort through each wheel revolution3.1%

    82 tests

  5. 5.A transmission belt, chain, sprocket or pulley excessively loose or worn1.4%

    37 tests

  6. 6.Tyre tread depth not in accordance with the requirements0.9%

    23 tests

  7. 7.Steering head bearings excessively stiff, notchy, or with excessive wear or play0.8%

    20 tests

  8. 8.Significant brake effort recorded with no brake applied indicating a binding brake0.7%

    19 tests

How wear changes the picture

Thruxton pass rate by age and registration year

3–5 yrsreg. 2020–202295%
6–8 yrsreg. 2017–201991%
9–11 yrsreg. 2014–201691%
12–14 yrsreg. 2011–201388%
15+ yrsreg. 2010 and earlier90%

What gets tested

The Thruxton fleet

Average mileage recorded at test
10,061
Test classes
class 2: 2,654 · class 1: 2
Names grouped into this model (2)
  • THRUXTON 900
  • THRUXTON R

Compare within the range

Other Triumph motorcycles

Common questions

What is the MOT pass rate for a Triumph Thruxton?
89.8% once adjusted for the age and mileage of the motorcycles tested, ranking 12 of 36 motorcycle models, from 2,656 DVSA tests. The average across all motorcycles is 86.5%.
What does a Triumph Thruxton fail its MOT on?
"Number plate does not conform to the specified requirements" is recorded in 17.5% of failed Triumph Thruxton tests, followed by "Reflector missing or reflecting white to the rear" (14.7%). One failed test often lists several items.
What mileage does a Triumph Thruxton usually have at its MOT?
10,061 miles on average across every age tested, so a description of the fleet rather than an annual figure. Motorcycle mileages are low and vary enormously with use; a commuter bike and a weekend bike of the same age can differ by a factor of ten.

Analysis built from DVSA data of