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MOT reliability

Triumph T 140 bonneville

2 vehicles · 42 completed MOT tests analysed
79%
MOT pass rate

Based on 2 Triumph T 140 bonneville vehicles and 42 completed MOT tests, the Triumph T 140 bonneville has an overall 79% pass rate, with an average recorded mileage of 30,008 miles.

2
Vehicles
42
MOT tests
184
Avg miles / year
1.1
Faults per test
0%
Dangerous-fault share

Triumph T 140 bonneville problem areas

Where faults occur most across all Triumph T 140 bonneville MOT tests:

  • Other74%
  • Tyres, wheels & suspension15%
  • Body & structure13%
  • Brakes6%
  • Lamps & electrical6%
  • Steering4%

Triumph T 140 bonneville pass rate by age

Age (years)TestsPass rate

Fuel types: Petrol (2)

Most common Triumph T 140 bonneville MOT faults

These are the faults and advisories recorded most often across Triumph T 140 bonneville MOT tests:

  1. Front Tyre worn close to the legal limit (5.2.3 (e)) (7 times)
  2. Front Tyre worn close to the legal limit (4.1.3(ii)) (6 times)
  3. Drive chain worn but not considered excessive (6.1.7 (c) (i)) (4 times)
  4. Front Front tyre perishing but not excessive (3 times)
  5. Front tyre perishing but not excessive (3 times)
  6. Slight oil leak on the engine. (2 times)
  7. Handlebar mounting slightly deteriorated (2.1.1d) (2 times)
  8. Nearside Rear Direction indicators not working (1.5.1c) (2 times)
  9. Rear position lamp does not illuminate immediately when it is switched on (1.1.3a) (2 times)
  10. Wheel alignment slightly misaligned. (2.5.1) (2 times)
  11. Rear Stop lamp not working (4.3.1 (a) (ii)) (2 times)
  12. Rear Tyre worn close to the legal limit (4.1.3(ii)) (1 times)
  13. Advice no front brake light switch fitted. (1 times)
  14. Offside Front Upper Brake lever attachment screws loose (3.1.2b) (1 times)
  15. Rear Upper Rear position lamp does not illuminate immediately when it is switched on (1.1.3a) (1 times)

Triumph T 140 bonneville pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
1981 1 18 78% 38,375
1979 1 24 79% 21,642

Triumph T 140 bonneville reliability FAQ

Across 2 Triumph T 140 bonneville vehicles in our MOT data, 79% pass the MOT (a 21% failure rate), with about 1.1 faults or advisories recorded per test.

The most frequently recorded Triumph T 140 bonneville MOT issues are: Front Tyre worn close to the legal limit (5.2.3 (e)); Front Tyre worn close to the legal limit (4.1.3(ii)); Drive chain worn but not considered excessive (6.1.7 (c) (i)).

The typical Triumph T 140 bonneville in our data has covered around 30,008 miles.

Compare the Triumph T 140 bonneville

See how the Triumph T 140 bonneville stacks up against other Triumph models on MOT reliability:

T 140 bonneville vs Toledo T 140 bonneville vs Unknown T 140 bonneville vs 2000 T 140 bonneville vs 1500

Check a specific Triumph T 140 bonneville

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