MOT reliability
Triumph Bonerville
5 vehicles · 28 completed MOT tests analysed
96%
MOT pass rate
Based on 5 Triumph Bonerville vehicles and 28 completed MOT tests, the Triumph Bonerville has an overall 96% pass rate, with an average recorded mileage of 26,305 miles.
5
Vehicles
28
MOT tests
162
Avg miles / year
0.3
Faults per test
0%
Dangerous-fault share
Triumph Bonerville problem areas
Where faults occur most across all Triumph Bonerville MOT tests:
-
Other88%
-
Steering12%
-
Seatbelts & equipment12%
Triumph Bonerville pass rate by age
| Age (years) | Tests | Pass rate |
|---|
Fuel types: Petrol (5)
Most common Triumph Bonerville MOT faults
These are the faults and advisories recorded most often across Triumph Bonerville MOT tests:
- Rear tyre has some cracking within the tread (1 times)
- Steering headbearing has slight free play (2.2.2) (1 times)
- Drive chain slightly loose (6.2.1d) (1 times)
- Front wheel bearings are slightly rough (2.3.5b) (1 times)
- front tyre showing sighns cracking (1 times)
- Front Steering movement excessively stiff with the wheel raised (2.2.1b) (1 times)
- Offside Front Steering control has Insufficient clearance at full lock affecting the riders grasp of handlebars (2.1.2b) (1 times)
- Exhaust noisy (7.1.2) (1 times)
- Rear tyre walls perished and splitting (1 times)
Triumph Bonerville pass rate by registration year
| Year | Vehicles | Tests | Pass rate | Avg mileage |
|---|---|---|---|---|
| 1978 | 1 | 5 | 100% | 52,676 |
| 1976 | 1 | 4 | 75% | 27,128 |
| 1973 | 2 | 5 | 100% | 14,831 |
| 1970 | 1 | 14 | 100% | 22,059 |
Triumph Bonerville reliability FAQ
Across 5 Triumph Bonerville vehicles in our MOT data,
96% pass the MOT (a 4% failure rate), with about
0.3 faults or advisories recorded per test.
The most frequently recorded Triumph Bonerville MOT issues are:
Rear tyre has some cracking within the tread; Steering headbearing has slight free play (2.2.2); Drive chain slightly loose (6.2.1d).
The typical Triumph Bonerville in our data has covered around
26,305 miles.
Compare the Triumph Bonerville
See how the Triumph Bonerville stacks up against other Triumph models on MOT reliability:
Check a specific Triumph Bonerville
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