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MOT reliability

Triumph Bonneville t-120

4 vehicles · 31 completed MOT tests analysed
94%
MOT pass rate

Based on 4 Triumph Bonneville t-120 vehicles and 31 completed MOT tests, the Triumph Bonneville t-120 has an overall 94% pass rate, with an average recorded mileage of 24,222 miles.

4
Vehicles
31
MOT tests
1,394
Avg miles / year
0.4
Faults per test
0%
Dangerous-fault share

Triumph Bonneville t-120 problem areas

Where faults occur most across all Triumph Bonneville t-120 MOT tests:

  • Other92%
  • Lamps & electrical15%
  • Steering8%
  • Tyres, wheels & suspension8%

Triumph Bonneville t-120 pass rate by age

Age (years)TestsPass rate
33100%
42100%
52100%
6367%
71100%
82100%
91100%

Fuel types: Petrol (4)

Most common Triumph Bonneville t-120 MOT faults

These are the faults and advisories recorded most often across Triumph Bonneville t-120 MOT tests:

  1. Front Roller brake test indicates slight fluctuation of brake effort (3.3.A1d) (3 times)
  2. Drive chain slightly tight (6.2.1d) (2 times)
  3. Handlebar mounting slightly deteriorated (2.1.1d) (2 times)
  4. COVID-19 6 MONTH EXTENSION (2 times)
  5. Stop lamp does not illuminate immediately a brake applies (1.3.1a) (1 times)
  6. Front Wheel has a slightly eccentric bead rim. (4.2.2) (1 times)
  7. Slight play in rear cush drive (1 times)
  8. Steering headbearing has slight free play (2.2.2) (1 times)
  9. Rear Roller brake test indicates slight fluctuation of brake effort (3.3.A1d) (1 times)
  10. Front Tyre worn close to the legal limit (5.2.3 (e)) (1 times)
  11. Headlamp aim too low (4.1.2 (a)) (1 times)

Triumph Bonneville t-120 pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
2017 2 14 93% —
1986 1 6 100% 14,513
1968 1 11 91% 33,931

Triumph Bonneville t-120 reliability FAQ

Across 4 Triumph Bonneville t-120 vehicles in our MOT data, 94% pass the MOT (a 6% failure rate), with about 0.4 faults or advisories recorded per test.

The most frequently recorded Triumph Bonneville t-120 MOT issues are: Front Roller brake test indicates slight fluctuation of brake effort (3.3.A1d); Drive chain slightly tight (6.2.1d); Handlebar mounting slightly deteriorated (2.1.1d).

The typical Triumph Bonneville t-120 in our data has covered around 24,222 miles.

Compare the Triumph Bonneville t-120

See how the Triumph Bonneville t-120 stacks up against other Triumph models on MOT reliability:

Bonneville t-120 vs Toledo Bonneville t-120 vs Unknown Bonneville t-120 vs 2000 Bonneville t-120 vs 1500

Check a specific Triumph Bonneville t-120

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