MOT reliability
Triumph Thunderbird 900
18 vehicles · 267 completed MOT tests analysed
85%
MOT pass rate
Based on 18 Triumph Thunderbird 900 vehicles and 267 completed MOT tests, the Triumph Thunderbird 900 has an overall 85% pass rate, with an average recorded mileage of 22,083 miles.
18
Vehicles
267
MOT tests
648
Avg miles / year
0.4
Faults per test
4%
Dangerous-fault share
Triumph Thunderbird 900 problem areas
Where faults occur most across all Triumph Thunderbird 900 MOT tests:
-
Other71%
-
Tyres, wheels & suspension17%
-
Brakes15%
-
Body & structure9%
-
Lamps & electrical7%
-
Steering5%
-
Seatbelts & equipment4%
-
Emissions & nuisance1%
Triumph Thunderbird 900 pass rate by age
| Age (years) | Tests | Pass rate |
|---|---|---|
| 7 | 1 | 100% |
| 9 | 5 | 80% |
| 10 | 8 | 75% |
| 11 | 18 | 83% |
| 12 | 14 | 86% |
| 13 | 15 | 80% |
| 14 | 15 | 87% |
| 15 | 16 | 88% |
| 16 | 10 | 100% |
| 17 | 16 | 75% |
| 18 | 13 | 77% |
| 19 | 14 | 93% |
| 20 | 14 | 86% |
Fuel types: Petrol (18)
Most common Triumph Thunderbird 900 MOT faults
These are the faults and advisories recorded most often across Triumph Thunderbird 900 MOT tests:
- Front Brake pad(s) close to minimum limit (3.2.A1f(i)) (8 times)
- Front Tyre worn close to the legal limit (4.1.3(ii)) (7 times)
- Rear Stop lamp does not illuminate immediately a brake applies (1.3.1a) (5 times)
- Front Tyre worn close to the legal limit (5.2.3 (e)) (5 times)
- Rear Tyre worn close to the legal limit (4.1.3(ii)) (4 times)
- Rear Brake pad(s) close to minimum limit (3.2.A1f(i)) (4 times)
- Front Brake pad(s) close to minimum limit (1.1.13 (a)) (4 times)
- Rear Tyre tread depth is below minimum requirements of 1.0mm (5.2.3 (e)) (3 times)
- Rear Tyre worn close to the legal limit (5.2.3 (e)) (3 times)
- Drive chain sprocket worn, but not excessively (6.1.7 (c) (i)) (2 times)
- Front Inner Brake pad(s) close to minimum limit (1.1.13 (a)) (2 times)
- Offside Front Shock absorber has a serious fluid leak (5.3.2 (b)) (2 times)
- Rear Tyre tread depth is below minimum requirements of 1.0mm (4.1.3(ii)) (2 times)
- Rear Brake pad(s) close to minimum limit (1.1.13 (a)) (2 times)
- Rear Brake pad(s) less than 1.5 mm thick (3.2.A1f(i)) (2 times)
Triumph Thunderbird 900 pass rate by registration year
| Year | Vehicles | Tests | Pass rate | Avg mileage |
|---|---|---|---|---|
| 1999 | 2 | 30 | 90% | 14,363 |
| 1997 | 3 | 40 | 80% | 22,955 |
| 1996 | 8 | 140 | 84% | 27,304 |
| 1995 | 5 | 57 | 91% | 16,297 |
Triumph Thunderbird 900 reliability FAQ
Across 18 Triumph Thunderbird 900 vehicles in our MOT data,
85% pass the MOT (a 15% failure rate), with about
0.4 faults or advisories recorded per test.
The most frequently recorded Triumph Thunderbird 900 MOT issues are:
Front Brake pad(s) close to minimum limit (3.2.A1f(i)); Front Tyre worn close to the legal limit (4.1.3(ii)); Rear Stop lamp does not illuminate immediately a brake applies (1.3.1a).
The typical Triumph Thunderbird 900 in our data has covered around
22,083 miles.
Compare the Triumph Thunderbird 900
See how the Triumph Thunderbird 900 stacks up against other Triumph models on MOT reliability:
Thunderbird 900 vs Toledo
Thunderbird 900 vs Unknown
Thunderbird 900 vs 2000
Thunderbird 900 vs 1500
Check a specific Triumph Thunderbird 900
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