MOT reliability
Triumph Bonnavill
1 vehicles · 12 completed MOT tests analysed
83%
MOT pass rate
Based on 1 Triumph Bonnavill vehicles and 12 completed MOT tests, the Triumph Bonnavill has an overall 83% pass rate, with an average recorded mileage of 28,631 miles.
1
Vehicles
12
MOT tests
512
Avg miles / year
1.7
Faults per test
0%
Dangerous-fault share
Triumph Bonnavill problem areas
Where faults occur most across all Triumph Bonnavill MOT tests:
-
Steering55%
-
Other50%
Triumph Bonnavill pass rate by age
| Age (years) | Tests | Pass rate |
|---|---|---|
| 14 | 1 | 100% |
| 15 | 1 | 100% |
| 16 | 1 | 100% |
| 17 | 1 | 100% |
| 18 | 1 | 100% |
| 19 | 1 | 100% |
| 20 | 1 | 100% |
Fuel types: Petrol (1)
Most common Triumph Bonnavill MOT faults
These are the faults and advisories recorded most often across Triumph Bonnavill MOT tests:
- Front Upper Steering headbearing has slight free play (2.2.2) (3 times)
- Drive chain slightly loose (6.2.1d) (1 times)
- Front Handlebar mounting slightly deteriorated (2.1.1d) (1 times)
- Front Steering headbearing has slight free play (2.2.2) (1 times)
- Front Roller brake test indicates slight fluctuation of brake effort (3.3.A1d) (1 times)
- Nearside Front shock absorber has light misting of stanchion (2.3.3) (1 times)
- Oil leak (1 times)
- Nearside Front Front shock absorber has light misting of stanchion (2.3.3) (1 times)
- Offside Front Front shock absorber has light misting of stanchion (2.3.3) (1 times)
- Front shock absorber has light misting of stanchion (2.3.3) (1 times)
- Front Roller brake test Higher brake efficiency normally obtainable. (3.3.A2b) (1 times)
- Rear position lamp slightly affected by the operation of another lamp (1.1.3b) (1 times)
- Rear position lamp slightly affected by the operation of the horn (1.1.3b) (1 times)
- Front Lower Front suspension assembly excessive wear or free play in a front suspension component both shockers have play (2.3.4) (1 times)
- Front Brake disc(s) friction surface contaminated by oil or grease (3.2.A1k) (1 times)
Triumph Bonnavill pass rate by registration year
| Year | Vehicles | Tests | Pass rate | Avg mileage |
|---|---|---|---|---|
| 1994 | 1 | 12 | 83% | 28,631 |
Triumph Bonnavill reliability FAQ
Across 1 Triumph Bonnavill vehicles in our MOT data,
83% pass the MOT (a 17% failure rate), with about
1.7 faults or advisories recorded per test.
The most frequently recorded Triumph Bonnavill MOT issues are:
Front Upper Steering headbearing has slight free play (2.2.2); Drive chain slightly loose (6.2.1d); Front Handlebar mounting slightly deteriorated (2.1.1d).
The typical Triumph Bonnavill in our data has covered around
28,631 miles.
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