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MOT reliability

Triumph Bonneville t120 black

1,014 vehicles · 613 completed MOT tests analysed
91%
MOT pass rate

Based on 1,014 Triumph Bonneville t120 black vehicles and 613 completed MOT tests, the Triumph Bonneville t120 black has an overall 91% pass rate, with an average recorded mileage of 5,854 miles.

1,014
Vehicles
613
MOT tests
1,431
Avg miles / year
0.3
Faults per test
2%
Dangerous-fault share

Triumph Bonneville t120 black problem areas

Where faults occur most across all Triumph Bonneville t120 black MOT tests:

  • Tyres, wheels & suspension43%
  • Lamps & electrical29%
  • Brakes18%
  • Body & structure16%
  • Emissions & nuisance7%
  • Steering5%
  • Other4%
  • Identification & plates2%

Triumph Bonneville t120 black pass rate by age

How the Triumph Bonneville t120 black's MOT pass rate changes as it ages (buckets with 20+ tests).

Age (years)TestsPass rate
14100%
25100%
334790%
417993%
53394%
6475%
7367%
82100%
92100%

Fuel types: Petrol (1,004), Other (10)

Most common Triumph Bonneville t120 black MOT faults

These are the faults and advisories recorded most often across Triumph Bonneville t120 black MOT tests:

  1. Rear Tyre worn close to the legal limit (5.2.3 (e)) (26 times)
  2. Front Tyre worn close to the legal limit (5.2.3 (e)) (25 times)
  3. Rear reflector missing (4.8.2 (a) (ii)) (11 times)
  4. Exhaust noisy (8.1.1 (a)) (10 times)
  5. Headlamp aim too low (4.1.2 (a)) (10 times)
  6. Headlamp aim too high (4.1.2 (a)) (8 times)
  7. Drive chain slightly loose (6.1.7 (c) (i)) (8 times)
  8. Drive chain worn but not considered excessive (6.1.7 (c) (i)) (8 times)
  9. Front Brake indicates slight fluctuation of brake effort (1.2.1 (e)) (8 times)
  10. Rear Brake pad(s) close to minimum limit (1.1.13 (a)) (6 times)
  11. Front Brake pad(s) close to minimum limit (1.1.13 (a)) (6 times)
  12. Headlamp not working on dipped beam (4.1.1 (a) (ii)) (5 times)
  13. Registration plate does not conform to the specified requirements (0.1 (d)) (3 times)
  14. Wheel alignment slightly misaligned (2.4 (a)) (3 times)
  15. Headlamp aim unable to be tested (4.1.2 (b)) (3 times)

Triumph Bonneville t120 black pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
2024 1 1 100% 5,463
2023 56 59 97% 5,241
2022 180 278 90% 5,153
2021 99 220 92% 7,193
2020 1 3 100% 1,624
2017 2 18 78% 10,811

Triumph Bonneville t120 black reliability FAQ

Across 1,014 Triumph Bonneville t120 black vehicles in our MOT data, 91% pass the MOT (a 9% failure rate), with about 0.3 faults or advisories recorded per test.

The most frequently recorded Triumph Bonneville t120 black MOT issues are: Rear Tyre worn close to the legal limit (5.2.3 (e)); Front Tyre worn close to the legal limit (5.2.3 (e)); Rear reflector missing (4.8.2 (a) (ii)).

The typical Triumph Bonneville t120 black in our data has covered around 5,854 miles.

Compare the Triumph Bonneville t120 black

See how the Triumph Bonneville t120 black stacks up against other Triumph models on MOT reliability:

Bonneville t120 black vs Toledo Bonneville t120 black vs Unknown Bonneville t120 black vs 2000 Bonneville t120 black vs 1500

Check a specific Triumph Bonneville t120 black

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