MOT reliability
Triumph T309 trident
23 vehicles · 29 completed MOT tests analysed
90%
MOT pass rate
Based on 23 Triumph T309 trident vehicles and 29 completed MOT tests, the Triumph T309 trident has an overall 90% pass rate, with an average recorded mileage of 126,874 miles.
23
Vehicles
29
MOT tests
2,641
Avg miles / year
0.4
Faults per test
0%
Dangerous-fault share
Triumph T309 trident problem areas
Where faults occur most across all Triumph T309 trident MOT tests:
-
Other75%
-
Steering25%
-
Tyres, wheels & suspension17%
Triumph T309 trident pass rate by age
| Age (years) | Tests | Pass rate |
|---|---|---|
| 6 | 1 | 100% |
| 7 | 1 | 100% |
| 8 | 2 | 100% |
| 9 | 3 | 67% |
| 10 | 3 | 100% |
| 11 | 1 | 100% |
| 12 | 1 | 100% |
| 13 | 1 | 100% |
| 14 | 1 | 100% |
| 15 | 1 | 100% |
| 16 | 3 | 67% |
| 18 | 1 | 100% |
| 19 | 1 | 100% |
Fuel types: Petrol (23)
Most common Triumph T309 trident MOT faults
These are the faults and advisories recorded most often across Triumph T309 trident MOT tests:
- Rear Tyre valve stem slightly damaged (4.1.2c) (2 times)
- Nearside Front Direction indicator not working (1.5.1c) (1 times)
- Front Headlamp at least one does not illuminate on main beam (1.2.2a(ii)) (1 times)
- Front Tyre worn close to the legal limit (5.2.3 (e)) (1 times)
- Rear Tyre worn close to the legal limit (5.2.3 (e)) (1 times)
- Offside Front Front shock absorber has light misting of stanchion (2.3.3) (1 times)
- Rear Tyre worn close to the legal limit (4.1.3(ii)) (1 times)
- Wheel alignment slightly misaligned Larger gap on offside (2.4 (a)) (1 times)
- Front Tyre valve stem slightly damaged (4.1.2c) (1 times)
- Rear Rear wheel bearings have slight free play (2.4.A.2c) (1 times)
- Rear Brake disc(s) slightly pitted (3.2.A1l) (1 times)
- Front shock absorber has light misting of stanchion (2.3.3) (1 times)
- Brake locking device insecure (3.2.A1e) (1 times)
Triumph T309 trident pass rate by registration year
| Year | Vehicles | Tests | Pass rate | Avg mileage |
|---|---|---|---|---|
| 2000 | 2 | 11 | 100% | 37,292 |
| 1998 | 2 | 16 | 88% | 271,319 |
| 1978 | 1 | 2 | 50% | 17,151 |
Triumph T309 trident reliability FAQ
Across 23 Triumph T309 trident vehicles in our MOT data,
90% pass the MOT (a 10% failure rate), with about
0.4 faults or advisories recorded per test.
The most frequently recorded Triumph T309 trident MOT issues are:
Rear Tyre valve stem slightly damaged (4.1.2c); Nearside Front Direction indicator not working (1.5.1c); Front Headlamp at least one does not illuminate on main beam (1.2.2a(ii)).
The typical Triumph T309 trident in our data has covered around
126,874 miles.
Compare the Triumph T309 trident
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