MOT reliability
Triumph T140 bonneville
34 vehicles · 258 completed MOT tests analysed
87%
MOT pass rate
Based on 34 Triumph T140 bonneville vehicles and 258 completed MOT tests, the Triumph T140 bonneville has an overall 87% pass rate, with an average recorded mileage of 22,916 miles.
34
Vehicles
258
MOT tests
482
Avg miles / year
0.3
Faults per test
0%
Dangerous-fault share
Triumph T140 bonneville problem areas
Where faults occur most across all Triumph T140 bonneville MOT tests:
-
Other88%
-
Steering21%
-
Brakes8%
-
Seatbelts & equipment8%
-
Lamps & electrical7%
-
Tyres, wheels & suspension2%
Triumph T140 bonneville pass rate by age
| Age (years) | Tests | Pass rate |
|---|---|---|
| 14 | 1 | 100% |
| 15 | 1 | 100% |
| 16 | 2 | 50% |
| 17 | 2 | 100% |
| 18 | 4 | 50% |
| 19 | 4 | 75% |
| 20 | 2 | 100% |
Fuel types: Petrol (34)
Most common Triumph T140 bonneville MOT faults
These are the faults and advisories recorded most often across Triumph T140 bonneville MOT tests:
- Exhaust noisy (7.1.2) (7 times)
- Front wheel bearings have slight free play (2.3.5b) (6 times)
- Front Wheel has a slightly distorted bead rim. (4.2.2) (5 times)
- Nearside Front Front shock absorber has light misting of stanchion (2.3.3) (4 times)
- Headlamp aim too high (1.6) (4 times)
- Front Roller brake test indicates slight fluctuation of brake effort (3.3.A1d) (4 times)
- Nearside Front shock absorber has light misting of stanchion (2.3.3) (4 times)
- Front Brake disc(s) slightly scored (3.2.A1l) (3 times)
- Steering headbearing has slight free play (2.2.2) (3 times)
- Front Tyre worn close to the legal limit (4.1.3(ii)) (3 times)
- Roller brake test The less effective brake control does not achieve an efficiency of 25% (1.2.2 (a) (i)) (2 times)
- Front shock absorber seal failed and leaking oil (2.3.3) (2 times)
- Registration plate does not have black characters on a yellow background (6.3.2a) (2 times)
- Stop lamp does not illuminate immediately a brake applies (1.3.1a) (2 times)
- Rear shock absorber has a light misting (2.4.A.1c) (2 times)
Triumph T140 bonneville pass rate by registration year
| Year | Vehicles | Tests | Pass rate | Avg mileage |
|---|---|---|---|---|
| 2019 | 1 | 1 | 100% | 9,560 |
| 2018 | 1 | 1 | 100% | 9,022 |
| 1992 | 1 | 24 | 79% | 12,137 |
| 1990 | 1 | 9 | 78% | 50,233 |
| 1989 | 1 | 10 | 70% | 47,129 |
| 1981 | 5 | 36 | 86% | 23,487 |
| 1980 | 5 | 37 | 95% | 17,676 |
| 1979 | 4 | 28 | 79% | 20,862 |
| 1978 | 9 | 71 | 93% | 24,468 |
| 1977 | 3 | 22 | 86% | 25,843 |
| 1976 | 2 | 16 | 88% | 8,060 |
| 1975 | 1 | 3 | 100% | 47,949 |
Triumph T140 bonneville reliability FAQ
Across 34 Triumph T140 bonneville vehicles in our MOT data,
87% pass the MOT (a 13% failure rate), with about
0.3 faults or advisories recorded per test.
The most frequently recorded Triumph T140 bonneville MOT issues are:
Exhaust noisy (7.1.2); Front wheel bearings have slight free play (2.3.5b); Front Wheel has a slightly distorted bead rim. (4.2.2).
The typical Triumph T140 bonneville in our data has covered around
22,916 miles.
Compare the Triumph T140 bonneville
See how the Triumph T140 bonneville stacks up against other Triumph models on MOT reliability:
T140 bonneville vs Toledo
T140 bonneville vs Unknown
T140 bonneville vs 2000
T140 bonneville vs 1500
Check a specific Triumph T140 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