MOT reliability
Triumph T140d bonneville
4 vehicles · 31 completed MOT tests analysed
84%
MOT pass rate
Based on 4 Triumph T140d bonneville vehicles and 31 completed MOT tests, the Triumph T140d bonneville has an overall 84% pass rate, with an average recorded mileage of 19,824 miles.
4
Vehicles
31
MOT tests
257
Avg miles / year
0.5
Faults per test
0%
Dangerous-fault share
Triumph T140d bonneville problem areas
Where faults occur most across all Triumph T140d bonneville MOT tests:
-
Other88%
-
Steering29%
-
Brakes12%
Triumph T140d bonneville pass rate by age
| Age (years) | Tests | Pass rate |
|---|
Fuel types: Petrol (4)
Most common Triumph T140d bonneville MOT faults
These are the faults and advisories recorded most often across Triumph T140d bonneville MOT tests:
- Front wheel bearings have slight free play (2.3.5b) (3 times)
- Front wheel bearings are slightly rough (2.3.5b) (3 times)
- Steering headbearing has slight free play (2.2.2) (2 times)
- Front Roller brake test indicates a slightly grabbing brake (3.3.A1b) (1 times)
- Drive chain excessively tight (6.2.1d) (1 times)
- Front shock absorber seal failed and leaking oil (2.3.3) (1 times)
- Wheel alignment slightly misaligned. (2.5.1) (1 times)
- Rear Tyre worn close to the legal limit (4.1.3(ii)) (1 times)
- Headlamp at least one does not illuminate on dipped beam (1.2.2a(i)) (1 times)
- Nearside Direction indicators not working (1.5.1c) (1 times)
- Nearside Front shock absorber has light misting of stanchion (2.3.3) (1 times)
- rear tyre cracked and perished (1 times)
- Front Headlamp aim too low (1.6) (1 times)
- Rear suspension bearing has slight free play (2.4.A2a(i)) (1 times)
- Rear Brake pipe union leaking fluid (3.2.B4) (1 times)
Triumph T140d bonneville pass rate by registration year
| Year | Vehicles | Tests | Pass rate | Avg mileage |
|---|---|---|---|---|
| 1979 | 4 | 31 | 84% | 19,824 |
Triumph T140d bonneville reliability FAQ
Across 4 Triumph T140d bonneville vehicles in our MOT data,
84% pass the MOT (a 16% failure rate), with about
0.5 faults or advisories recorded per test.
The most frequently recorded Triumph T140d bonneville MOT issues are:
Front wheel bearings have slight free play (2.3.5b); Front wheel bearings are slightly rough (2.3.5b); Steering headbearing has slight free play (2.2.2).
The typical Triumph T140d bonneville in our data has covered around
19,824 miles.
Compare the Triumph T140d bonneville
See how the Triumph T140d bonneville stacks up against other Triumph models on MOT reliability:
T140d bonneville vs Toledo
T140d bonneville vs Unknown
T140d bonneville vs 2000
T140d bonneville vs 1500
Check a specific Triumph T140d bonneville
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