Triumph Rocket III MOT pass rate & common failures

At a glance

Recorded pass rate

2.1 points above the fleet average of 86.5%. The examples tested do not cover a wide enough spread of ages and mileages to compare fairly against the rest of the fleet, so no rank is claimed; the failure record below stands on its own.

DVSA recorded wording

Most common failure items

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

1. 1.Tyre tread depth not in accordance with the requirements23.5%

   12 occurrences

2. 2.A shock absorber not functioning or leaking severely21.6%

   11 occurrences

3. 3.Number plate does not conform to the specified requirements13.7%

   7 occurrences

4. 4.Excessive fluctuation in brake effort through each wheel revolution13.7%

   7 occurrences

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

   5 occurrences

6. 6.Projected beam image is obviously incorrect7.8%

   4 occurrences

7. 7.Reflector missing or reflecting white to the rear7.8%

   4 occurrences

8. 8.A brake lining or pad contaminated with oil, grease etc7.8%

   4 occurrences

9. 9.A direction indicator lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning7.8%

   4 occurrences

10. 10.A lamp missing or inoperative7.8%

    4 occurrences

11. 11.Audible warning not working7.8%

    4 occurrences

12. 12.A rear registration plate lamp or light source missing or inoperative in the case of a single lamp or all lamps5.9%

    3 occurrences

Warnings without a failure

Most common advisories

Share of all Triumph Rocket III tests carrying each advisory.

1. 1.Tyre tread depth not in accordance with the requirements9.0%

   78 tests

2. 2.Exhaust noise levels in excess of those permitted7.9%

   68 tests

3. 3.Brake lining or pad worn below 1.0mm6.3%

   54 tests

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

   27 tests

5. 5.A shock absorber not functioning or leaking severely2.4%

   21 tests

6. 6.Tyre tread depth not in accordance with the requirements1.7%

   15 tests

7. 7.Brake disc or drum significantly and obviously worn1.6%

   14 tests

8. 8.Brake disc or drum excessively weakened, insecure or fractured1.2%

   10 tests

What gets tested

The Rocket III fleet

Average mileage recorded at test

23,103

Test classes

class 2: 862

Compare within the range

Other Triumph motorcycles

• Triumph Tiger91.2%
• Triumph Bonneville90.0%
• Triumph Speed Triple87.7%
• Triumph Sprint86.8% raw
• Triumph Street91.4% raw
• Triumph Street Triple87.8%
• All Triumph motorcycles

Common questions

What is the MOT pass rate for a Triumph Rocket III?

88.6% unadjusted, from 862 DVSA tests. The average across all motorcycles is 86.5%.

What does a Triumph Rocket III fail its MOT on?

"Tyre tread depth not in accordance with the requirements" is recorded in 23.5% of failed Triumph Rocket III tests, followed by "A shock absorber not functioning or leaking severely" (21.6%). One failed test often lists several items.

What mileage does a Triumph Rocket III usually have at its MOT?

23,103 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.