TRIUMPH ROCKET 111 ROADSTER

2294cc Petrol Class 2

#746 of 5426 overall #58 of 175 TRIUMPHs #136 of 465 cruiser bikes

90.7%

first-time pass rate

4.8%

failed outright

12,447

median miles at test

2,642

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2013–2025

The ROCKET 111 ROADSTER's first-time pass rate has held steady since 2013 (91.5% → 92.3%).

Pass rate by mileage

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

A low-mileage ROCKET 111 ROADSTER passes first time 92.5% of the time; by 40k that's 94.1%.

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 ROADSTER

failure defects by component group · advisories excluded

Component group	Defects	% of defects	vs all bikes
brakes	55	27.5	0.4×
lamps and reflectors	38	19	0.7×
tyres and wheels	28	14	0.5×
tyres	24	12	1.2×
lighting and signalling	15	7.5	0.1×
Identification of the vehicle	14	7	2.3×
structure and attachments	11	5.5	0.4×
reg plates and vin	6	3	0.3×
fuel and exhaust	5	2.5	0.2×
suspension	4	2	0.2×

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 ROADSTER beats 3 of its 3 closest rivals (TRIUMPH ROCKET III, HARLEY-DAVIDSON FXSB, TRIUMPH ROCKET 111).

TRIUMPH ROCKET III 88.3% pass · 15.5k tests HARLEY-DAVIDSON FXSB 89.3% pass · 6,915 tests TRIUMPH ROCKET 111 88.4% pass · 6,812 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 ROADSTER.

Pass rate by registration year

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

Best year to buy used: 2012 (93.1% pass). Weakest: 2010 (89.5%).

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 ROADSTER FAQ

answers computed from the data above · terms in the glossary

Is the TRIUMPH ROCKET 111 ROADSTER reliable?

The TRIUMPH ROCKET 111 ROADSTER is more reliable than average for its class: 90.7% of its 2,642 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #746 of 5426 models.

What does a ROCKET 111 ROADSTER fail its MOT on most?

brakes — 28% of all defects recorded against failed ROCKET 111 ROADSTER tests.

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

By first-time pass rate, 2012-registered examples do best (93.1%) and 2010 worst (89.5%). Condition and history still trump the year.

How many miles will a ROCKET 111 ROADSTER last?

The median ROCKET 111 ROADSTER shows 12,447 miles at test, and examples around 40k miles still pass 94.1% of the time — mileage alone rarely kills one.