MOT reliability
Triumph T25ss
16 vehicles · 67 completed MOT tests analysed
93%
MOT pass rate
Based on 16 Triumph T25ss vehicles and 67 completed MOT tests, the Triumph T25ss has an overall 93% pass rate, with an average recorded mileage of 6,508 miles.
16
Vehicles
67
MOT tests
452
Avg miles / year
0.4
Faults per test
0%
Dangerous-fault share
Triumph T25ss problem areas
Where faults occur most across all Triumph T25ss MOT tests:
-
Other113%
-
Steering27%
-
Tyres, wheels & suspension7%
Triumph T25ss pass rate by age
| Age (years) | Tests | Pass rate |
|---|---|---|
| 15 | 1 | 100% |
| 16 | 1 | 100% |
| 17 | 1 | 100% |
| 18 | 1 | 100% |
| 19 | 1 | 100% |
| 20 | 1 | 100% |
Fuel types: Petrol (16)
Most common Triumph T25ss MOT faults
These are the faults and advisories recorded most often across Triumph T25ss MOT tests:
- daytime use only no lights fitted (4 times)
- Drive chain slightly loose (6.2.1d) (4 times)
- Steering headbearing has slight free play (2.2.2) (3 times)
- Drive chain worn but not considered excessive (6.2.1e) (2 times)
- Steering movement slightly stiff (2.2.1b) (2 times)
- the rear tyre has slightly perished (2 times)
- Rear suspension bush has slight free play (2.4.A2a(i)) (2 times)
- No lights fitted at time of test (2 times)
- Nearside Front shock absorber has light misting of stanchion (2.3.3) (1 times)
- Offside Front shock absorber has light misting of stanchion (2.3.3) (1 times)
- fork seals likely to have short service life.both fork inners are pitted (1 times)
- front tyre side walls slightly perished (1 times)
- Rear Wheel spindle loose (5.2.1 (c) (i)) (1 times)
- Brake lever pivots slightly worn (3.1.3a) (1 times)
- Wheel alignment slightly misaligned. (2.5.1) (1 times)
Triumph T25ss pass rate by registration year
| Year | Vehicles | Tests | Pass rate | Avg mileage |
|---|---|---|---|---|
| 2020 | 1 | 2 | 50% | 6,053 |
| 2015 | 1 | 2 | 50% | 69 |
| 1991 | 1 | 11 | 100% | 9,354 |
| 1972 | 5 | 21 | 90% | 3,005 |
| 1971 | 8 | 31 | 97% | 8,766 |
Triumph T25ss reliability FAQ
Across 16 Triumph T25ss vehicles in our MOT data,
93% pass the MOT (a 7% failure rate), with about
0.4 faults or advisories recorded per test.
The most frequently recorded Triumph T25ss MOT issues are:
daytime use only no lights fitted; Drive chain slightly loose (6.2.1d); Steering headbearing has slight free play (2.2.2).
The typical Triumph T25ss in our data has covered around
6,508 miles.
Compare the Triumph T25ss
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