MOT reliability
Triumph Bonnaville
10 vehicles · 70 completed MOT tests analysed
93%
MOT pass rate
Based on 10 Triumph Bonnaville vehicles and 70 completed MOT tests, the Triumph Bonnaville has an overall 93% pass rate, with an average recorded mileage of 12,329 miles.
10
Vehicles
70
MOT tests
213
Avg miles / year
0.1
Faults per test
0%
Dangerous-fault share
Triumph Bonnaville problem areas
Where faults occur most across all Triumph Bonnaville MOT tests:
-
Other60%
-
Brakes30%
-
Steering20%
-
Seatbelts & equipment10%
-
Lamps & electrical10%
-
Emissions & nuisance10%
Triumph Bonnaville pass rate by age
| Age (years) | Tests | Pass rate |
|---|---|---|
| 3 | 3 | 67% |
| 4 | 3 | 67% |
| 5 | 2 | 100% |
| 6 | 1 | 100% |
| 7 | 3 | 67% |
| 8 | 2 | 100% |
| 9 | 2 | 100% |
| 10 | 2 | 100% |
| 11 | 3 | 67% |
| 12 | 2 | 100% |
| 13 | 3 | 100% |
| 14 | 4 | 100% |
| 15 | 4 | 100% |
| 16 | 3 | 100% |
| 17 | 3 | 100% |
| 18 | 2 | 100% |
| 19 | 3 | 100% |
| 20 | 2 | 100% |
Fuel types: Petrol (10)
Most common Triumph Bonnaville MOT faults
These are the faults and advisories recorded most often across Triumph Bonnaville MOT tests:
- Rear wheel bearings have slight free play (2.4.A.2c) (2 times)
- Headlamp aim too high (1.6) (2 times)
- Rear Exhaust markings indicating not for road use or similar wording (7.1.4) (1 times)
- Wheel has a slightly distorted bead rim. (4.2.2) (1 times)
- Exhaust noisy (8.1.1 (a)) (1 times)
- Rear Roller brake test indicates a binding brake (3.3.A1a) (1 times)
- Exhaust is leaking but is not excessively noisey (7.1.1b) (1 times)
- Front shock absorber has light misting of stanchion both sides (2.3.3) (1 times)
- Steering headbearing has slight free play (2.2.2) (1 times)
- Brake disc(s) slightly pitted (3.2.A1l) (1 times)
- Headlamp aim too low (1.6) (1 times)
- Nearside Rear Brake pad(s) close to minimum limit (3.2.A1f(i)) (1 times)
Triumph Bonnaville pass rate by registration year
| Year | Vehicles | Tests | Pass rate | Avg mileage |
|---|---|---|---|---|
| 2006 | 1 | 15 | 80% | 9,948 |
| 2004 | 1 | 20 | 95% | 11,118 |
| 2000 | 1 | 3 | 100% | 6,472 |
| 1998 | 1 | 8 | 100% | 2,728 |
| 1992 | 1 | 4 | 100% | 933 |
| 1979 | 3 | 15 | 93% | 20,458 |
| 1978 | 1 | 1 | 100% | 8,980 |
| 1977 | 1 | 4 | 100% | 21,742 |
Triumph Bonnaville reliability FAQ
Across 10 Triumph Bonnaville vehicles in our MOT data,
93% pass the MOT (a 7% failure rate), with about
0.1 faults or advisories recorded per test.
The most frequently recorded Triumph Bonnaville MOT issues are:
Rear wheel bearings have slight free play (2.4.A.2c); Headlamp aim too high (1.6); Rear Exhaust markings indicating not for road use or similar wording (7.1.4).
The typical Triumph Bonnaville in our data has covered around
12,329 miles.
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