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MOT reliability

Triumph Thunderbir

3 vehicles · 13 completed MOT tests analysed
92%
MOT pass rate

Based on 3 Triumph Thunderbir vehicles and 13 completed MOT tests, the Triumph Thunderbir has an overall 92% pass rate, with an average recorded mileage of 67,072 miles.

3
Vehicles
13
MOT tests
274
Avg miles / year
0.5
Faults per test
0%
Dangerous-fault share

Triumph Thunderbir problem areas

Where faults occur most across all Triumph Thunderbir MOT tests:

  • Other67%
  • Brakes17%
  • Tyres, wheels & suspension17%

Triumph Thunderbir pass rate by age

Age (years)TestsPass rate
71100%
81100%
101100%
191100%
201100%

Fuel types: Petrol (3)

Most common Triumph Thunderbir MOT faults

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

  1. Front Brake pad(s) close to minimum limit (1.1.13 (a)) (1 times)
  2. Front Shock absorber has a light misting of oil (5.3.2 (b)) (1 times)
  3. Rear TYRE CRACKING (1 times)
  4. Front suspension has inadequate damping effect. (2.3.6c) (1 times)
  5. Rear suspension bush has excessive free play (2.4.A2a(i)) (1 times)
  6. Rear wheel bearings have slight free play (2.4.A.2c) (1 times)

Triumph Thunderbir pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
2000 1 2 100% 5,564
1998 1 9 100% 12,928
1965 1 2 50% 182,726

Triumph Thunderbir reliability FAQ

Across 3 Triumph Thunderbir vehicles in our MOT data, 92% pass the MOT (a 8% failure rate), with about 0.5 faults or advisories recorded per test.

The most frequently recorded Triumph Thunderbir MOT issues are: Front Brake pad(s) close to minimum limit (1.1.13 (a)); Front Shock absorber has a light misting of oil (5.3.2 (b)); Rear TYRE CRACKING.

The typical Triumph Thunderbir in our data has covered around 67,072 miles.

Compare the Triumph Thunderbir

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


Check a specific Triumph Thunderbir

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