MOT reliability

Triumph Rocket

Q: Is the Triumph Rocket reliable?

Across 590 Triumph Rocket vehicles in our MOT data, 92% pass the MOT (a 8% failure rate), with about 0.4 faults or advisories recorded per test.

Q: What is the average mileage of a Triumph Rocket?

The typical Triumph Rocket in our data has covered around 17,197 miles.

590 vehicles · 4,388 completed MOT tests analysed

92%

MOT pass rate

Based on 590 Triumph Rocket vehicles and 4,388 completed MOT tests, the Triumph Rocket has an overall 92% pass rate, with an average recorded mileage of 17,197 miles.

590

Vehicles

4,388

MOT tests

1,424

Avg miles / year

0.4

Faults per test

Dangerous-fault share

Triumph Rocket problem areas

Where faults occur most across all Triumph Rocket MOT tests:

Brakes31%
Tyres, wheels & suspension29%
Other18%
Lamps & electrical14%
Emissions & nuisance13%
Seatbelts & equipment3%
Identification & plates2%
Body & structure2%

Triumph Rocket pass rate by age

How the Triumph Rocket's MOT pass rate changes as it ages (buckets with 20+ tests).

Age (years)	Tests	Pass rate
1	1	100%
2	7	71%
3	529	91%
4	529	90%
5	485	91%
6	471	92%
7	480	92%
8	451	92%
9	424	92%
10	382	90%
11	246	93%
12	116	95%
13	50	92%
14	36	94%
15	42	93%
16	34	91%
17	31	87%
18	23	83%
19	19	95%
20	14	93%

Fuel types: Petrol (590)

Most common Triumph Rocket MOT faults

These are the faults and advisories recorded most often across Triumph Rocket MOT tests:

Exhaust noisy (8.1.1 (a)) (178 times)
Front Tyre worn close to the legal limit (5.2.3 (e)) (171 times)
Rear Tyre worn close to the legal limit (5.2.3 (e)) (128 times)
Rear Brake pad(s) close to minimum limit (1.1.13 (a)) (128 times)
Front Brake indicates slight fluctuation of brake effort (1.2.1 (e)) (60 times)
Front Brake pad(s) close to minimum limit (1.1.13 (a)) (55 times)
Rear Brake indicates slight fluctuation of brake effort (1.2.1 (e)) (53 times)
Front Tyre tread depth is below minimum requirements of 1.0mm (5.2.3 (e)) (44 times)
Rear reflector missing (4.8.2 (a) (ii)) (40 times)
Exhaust noisy (7.1.2) (30 times)
Front Tyre worn close to the legal limit (4.1.3(ii)) (30 times)
Rear Tyre tread depth is below minimum requirements of 1.0mm (5.2.3 (e)) (29 times)
Rear Tyre worn close to the legal limit (4.1.3(ii)) (25 times)
Headlamp aim too low (4.1.2 (a)) (25 times)
Rear Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii)) (21 times)

Triumph Rocket pass rate by registration year

Year	Vehicles	Tests	Pass rate	Avg mileage
2023	1	2	50%	5,267
2021	2	4	100%	2,943
2020	1	3	100%	2,925
2019	4	16	100%	8,314
2018	12	66	91%	10,541
2017	21	145	87%	11,745
2016	101	674	93%	22,993
2015	182	1,262	92%	14,833
2014	174	1,409	91%	18,298
2013	27	177	89%	14,456
2012	3	19	95%	3,129
2011	7	43	91%	19,836
2010	6	64	95%	17,926
2009	8	65	91%	14,720
2008	8	62	92%	19,466
2007	4	47	89%	21,806
2006	14	152	92%	14,406
2005	10	120	89%	22,087
2004	4	47	91%	13,276
1973	1	11	91%	—

Triumph Rocket reliability FAQ

Across 590 Triumph Rocket vehicles in our MOT data, 92% pass the MOT (a 8% failure rate), with about 0.4 faults or advisories recorded per test.

The most frequently recorded Triumph Rocket MOT issues are: Exhaust noisy (8.1.1 (a)); Front Tyre worn close to the legal limit (5.2.3 (e)); Rear Tyre worn close to the legal limit (5.2.3 (e)).

The typical Triumph Rocket in our data has covered around 17,197 miles.

Compare the Triumph Rocket

See how the Triumph Rocket stacks up against other Triumph models on MOT reliability:

Rocket vs Toledo Rocket vs Unknown Rocket vs 2000 Rocket vs 1500

Check a specific Triumph Rocket

Enter a registration to see that exact vehicle's full MOT history, advisories and recurring faults.

See all Triumph models · Learn about common MOT failures · what an MOT checks