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MOT reliability

Triumph T120r bonneville

22 vehicles · 90 completed MOT tests analysed
93%
MOT pass rate

Based on 22 Triumph T120r bonneville vehicles and 90 completed MOT tests, the Triumph T120r bonneville has an overall 93% pass rate, with an average recorded mileage of 5,329 miles.

22
Vehicles
90
MOT tests
219
Avg miles / year
0.2
Faults per test
0%
Dangerous-fault share

Triumph T120r bonneville problem areas

Where faults occur most across all Triumph T120r bonneville MOT tests:

  • Other120%
  • Steering27%
  • Brakes7%

Triumph T120r bonneville pass rate by age

Age (years)TestsPass rate
19100%
25100%
3875%
43100%
52100%
62100%
82100%
101100%
112100%
122100%
132100%
142100%
151100%
162100%
17367%
181100%

Fuel types: Petrol (22)

Most common Triumph T120r bonneville MOT faults

These are the faults and advisories recorded most often across Triumph T120r bonneville MOT tests:

  1. Steering headbearing has excessive free play (2.2.2) (2 times)
  2. Rear Tyre worn close to the legal limit (4.1.3(ii)) (1 times)
  3. Stop lamp affected by the operation of another lamp (1.3.2) (1 times)
  4. Rear suspension bush has slight free play (2.4.A2a(i)) (1 times)
  5. Rear suspension bearing has slight free play swinging arm (2.4.A2a(i)) (1 times)
  6. Rear wheel bearings have slight free play (2.4.A.2c) (1 times)
  7. Rear Tyre has a cut in excess of the requirements deep enough to reach the ply or cords (4.1.2a(i)) (1 times)
  8. Horn not working (1.7.3a) (1 times)
  9. Front wheel bearings are excessively rough (2.3.5b) (1 times)
  10. Headlamp at least one does not illuminate on dipped beam (1.2.2a(i)) (1 times)
  11. Rear Tyre not fitted in accordance with side wall instruction/s (4.1.2e) (1 times)
  12. rear brake rod fouling on shock (1 times)
  13. Drive chain fouling another component (6.2.1d) (1 times)
  14. Wheel alignment incorrect which adversely affects the handling (2.5.1) (1 times)
  15. Wheel alignment incorrect which adversely affects the steering (2.5.1) (1 times)

Triumph T120r bonneville pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
2018 1 1 100% 2
2017 2 4 75% 295
2016 1 7 100% 1,255
2015 4 10 100% 610
2014 3 10 100% 8,021
2013 1 1 100% 1
2011 1 7 86% 1,794
2007 1 6 83% 2,093
1998 1 9 100% 7,022
1995 1 9 89% 22,081
1973 1 2 50% 9
1972 1 1 100% 3,093
1971 2 11 100% 15,003
1969 1 2 100% 621
1968 1 10 90% 15,109

Triumph T120r bonneville reliability FAQ

Across 22 Triumph T120r bonneville 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 T120r bonneville MOT issues are: Steering headbearing has excessive free play (2.2.2); Rear Tyre worn close to the legal limit (4.1.3(ii)); Stop lamp affected by the operation of another lamp (1.3.2).

The typical Triumph T120r bonneville in our data has covered around 5,329 miles.

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