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MOT reliability

Triumph Bonneville speedmaster

1,400 vehicles · 1,191 completed MOT tests analysed
93%
MOT pass rate

Based on 1,400 Triumph Bonneville speedmaster vehicles and 1,191 completed MOT tests, the Triumph Bonneville speedmaster has an overall 93% pass rate, with an average recorded mileage of 5,532 miles.

1,400
Vehicles
1,191
MOT tests
1,359
Avg miles / year
0.2
Faults per test
5%
Dangerous-fault share

Triumph Bonneville speedmaster problem areas

Where faults occur most across all Triumph Bonneville speedmaster MOT tests:

  • Brakes35%
  • Tyres, wheels & suspension26%
  • Lamps & electrical24%
  • Body & structure15%
  • Emissions & nuisance9%
  • Steering7%
  • Other5%
  • Identification & plates3%

Triumph Bonneville speedmaster pass rate by age

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

Age (years)TestsPass rate
21782%
361892%
438595%
512094%
65100%
73100%
83100%

Fuel types: Petrol (1,388), Other (12)

Most common Triumph Bonneville speedmaster MOT faults

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

  1. Rear Tyre worn close to the legal limit (5.2.3 (e)) (31 times)
  2. Headlamp aim too high (4.1.2 (a)) (26 times)
  3. Exhaust noisy (8.1.1 (a)) (15 times)
  4. Front Brake indicates slight fluctuation of brake effort (1.2.1 (e)) (14 times)
  5. Front Brake pad(s) close to minimum limit (1.1.13 (a)) (14 times)
  6. Rear Brake pad(s) close to minimum limit (1.1.13 (a)) (9 times)
  7. Drive chain slightly loose (6.1.7 (c) (i)) (9 times)
  8. Rear Brake indicates slight fluctuation of brake effort (1.2.1 (e)) (8 times)
  9. Rear reflector missing (4.8.2 (a) (ii)) (6 times)
  10. Front Tyre worn close to the legal limit (5.2.3 (e)) (4 times)
  11. Rear Tyre tread depth is below minimum requirements of 1.0mm (5.2.3 (e)) (4 times)
  12. Wheel alignment slightly misaligned (2.4 (a)) (4 times)
  13. Central Front Upper Headlamp aim too high (4.1.2 (a)) (4 times)
  14. Front Brake binding but not excessively (1.2.1 (f)) (4 times)
  15. Central Front Headlamp aim too high (4.1.2 (a)) (4 times)

Triumph Bonneville speedmaster pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
2023 116 127 93% 4,593
2022 241 373 93% 5,442
2021 255 625 94% 5,932
2020 1 3 100% 5,218
2019 1 4 100% 2,468
2018 3 19 95% 13,854

Triumph Bonneville speedmaster reliability FAQ

Across 1,400 Triumph Bonneville speedmaster vehicles in our MOT data, 93% pass the MOT (a 7% failure rate), with about 0.2 faults or advisories recorded per test.

The most frequently recorded Triumph Bonneville speedmaster MOT issues are: Rear Tyre worn close to the legal limit (5.2.3 (e)); Headlamp aim too high (4.1.2 (a)); Exhaust noisy (8.1.1 (a)).

The typical Triumph Bonneville speedmaster in our data has covered around 5,532 miles.

Compare the Triumph Bonneville speedmaster

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


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