MOT reliability
Triumph Bonnieville
31 vehicles · 169 completed MOT tests analysed
90%
MOT pass rate
Based on 31 Triumph Bonnieville vehicles and 169 completed MOT tests, the Triumph Bonnieville has an overall 90% pass rate, with an average recorded mileage of 18,858 miles.
31
Vehicles
169
MOT tests
539
Avg miles / year
0.4
Faults per test
0%
Dangerous-fault share
Triumph Bonnieville problem areas
Where faults occur most across all Triumph Bonnieville MOT tests:
-
Other90%
-
Brakes8%
-
Seatbelts & equipment8%
-
Steering6%
-
Emissions & nuisance6%
-
Lamps & electrical4%
-
Tyres, wheels & suspension3%
Triumph Bonnieville pass rate by age
| Age (years) | Tests | Pass rate |
|---|---|---|
| 1 | 1 | 100% |
| 3 | 2 | 50% |
| 6 | 4 | 50% |
| 7 | 3 | 67% |
| 8 | 2 | 50% |
| 9 | 4 | 75% |
| 10 | 4 | 75% |
| 11 | 2 | 100% |
| 12 | 2 | 50% |
| 13 | 2 | 100% |
| 14 | 4 | 75% |
| 15 | 4 | 100% |
| 16 | 3 | 100% |
| 17 | 4 | 75% |
| 18 | 3 | 100% |
| 19 | 3 | 100% |
| 20 | 5 | 100% |
Fuel types: Petrol (31)
Most common Triumph Bonnieville MOT faults
These are the faults and advisories recorded most often across Triumph Bonnieville MOT tests:
- Front wheel bearings have slight free play (2.3.5b) (3 times)
- Drive chain worn but not considered excessive (6.2.1e) (3 times)
- Rear Exhaust noisy (7.1.2) (3 times)
- Exhaust noisy (8.1.1 (a)) (3 times)
- Oil leak (2 times)
- Rear position lamp does not illuminate immediately when it is switched on (1.1.3a) (2 times)
- Rear Tyre worn close to the legal limit (4.1.3(ii)) (2 times)
- Rear Riders seat insecure (6.2.1a) (2 times)
- Front wheel bearings are slightly rough (2.3.5b) (2 times)
- Headlamp aim too low (1.6) (2 times)
- Steering movement slightly stiff (2.2.1b) (2 times)
- Exhaust noisy (7.1.2) (2 times)
- Headlamp aim beam image kick up to the offside (1.6) (2 times)
- exhaust type (2 times)
- headlight condition (2 times)
Triumph Bonnieville pass rate by registration year
| Year | Vehicles | Tests | Pass rate | Avg mileage |
|---|---|---|---|---|
| 2006 | 1 | 5 | 60% | 2,594 |
| 2001 | 2 | 34 | 74% | 8,864 |
| 1996 | 1 | 9 | 100% | 25,880 |
| 1992 | 1 | 12 | 100% | 15,856 |
| 1991 | 1 | 1 | 100% | 15,238 |
| 1990 | 1 | 4 | 75% | 8,171 |
| 1981 | 2 | 7 | 100% | 23,880 |
| 1980 | 3 | 19 | 100% | 21,773 |
| 1979 | 3 | 20 | 85% | 50,246 |
| 1977 | 3 | 13 | 100% | 21,694 |
| 1975 | 1 | 2 | 100% | 25,663 |
| 1974 | 2 | 3 | 100% | 23,830 |
| 1973 | 3 | 18 | 94% | 8,406 |
| 1971 | 1 | 3 | 100% | 8,240 |
| 1969 | 1 | 2 | 100% | 36,689 |
| 1968 | 1 | 2 | 100% | 2,026 |
| 1967 | 1 | 1 | 100% | 203 |
| 1964 | 1 | 7 | 86% | — |
| 1961 | 2 | 7 | 100% | 2,839 |
Triumph Bonnieville reliability FAQ
Across 31 Triumph Bonnieville 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 Bonnieville MOT issues are:
Front wheel bearings have slight free play (2.3.5b); Drive chain worn but not considered excessive (6.2.1e); Rear Exhaust noisy (7.1.2).
The typical Triumph Bonnieville in our data has covered around
18,858 miles.
Compare the Triumph Bonnieville
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