TRIUMPH ROCKET 111

2294cc Petrol Class 2

#1478 of 5426 overall #105 of 175 TRIUMPHs #295 of 465 cruiser bikes

88.4%

first-time pass rate

5.9%

failed outright

13,488

median miles at test

6,812

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2007–2025

The ROCKET 111's first-time pass rate has held steady since 2007 (89.6% → 89.2%).

Pass rate by mileage

how the ROCKET 111's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage ROCKET 111 passes first time 89.9% of the time; by 50k that's 82.0%.

First-time pass rate by odometer reading at test, 10,000-mile bands for this model. Mileage is the strongest reliability signal. See the full curve.

What fails on a ROCKET 111

failure defects by component group · advisories excluded

Component group	Defects	% of defects	vs all bikes
brakes	170	23.4	0.4×
lighting and signalling	120	16.5	0.3×
lamps and reflectors	116	15.9	0.7×
tyres and wheels	97	13.3	0.7×
reg plates and vin	61	8.4	1.1×
tyres	45	6.2	0.9×
fuel and exhaust	38	5.2	0.6×
suspension	32	4.4	0.6×
steering and suspension	26	3.6	0.1×
Identification of the vehicle	23	3.2	1.5×

Defects recorded against failed normal tests, 2005–2025, grouped by DVSA inspection section. One test can record multiple defects. "vs all bikes" is how often this model's tests record a defect in the group, as a multiple of the all-bike rate.

How rivals compare

same type, similar capacity, high test volume

On first-time pass rate the ROCKET 111 beats 1 of its 2 closest rivals (TRIUMPH ROCKET III, HARLEY-DAVIDSON FXSB).

TRIUMPH ROCKET III 88.3% pass · 15.5k tests HARLEY-DAVIDSON FXSB 89.3% pass · 6,915 tests

Rivals share this bike's type and sit within ±30% of its engine capacity, ≥ 5,000 tests. Card colour = better/worse first-time pass rate than the ROCKET 111.

Pass rate by registration year

how each model-year cohort fares · registration year from first use date

Best year to buy used: 2010 (91.6% pass). Weakest: 2005 (86.6%).

First-time pass rate by the year each bike was first registered (cohorts with ≥ 50 tests). Older cohorts are survivors: the worst examples have already left the road, which tends to lift the earliest years.

TRIUMPH ROCKET 111 FAQ

answers computed from the data above · terms in the glossary

Is the TRIUMPH ROCKET 111 reliable?

The TRIUMPH ROCKET 111 is more reliable than average for its class: 88.4% of its 6,812 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #1478 of 5426 models.

What does a ROCKET 111 fail its MOT on most?

brakes — 23% of all defects recorded against failed ROCKET 111 tests.

What is the best year of ROCKET 111 to buy used?

By first-time pass rate, 2010-registered examples do best (91.6%) and 2005 worst (86.6%). Condition and history still trump the year.

How many miles will a ROCKET 111 last?

The median ROCKET 111 shows 13,488 miles at test, and examples around 50k miles still pass 82.0% of the time — mileage alone rarely kills one.