MOT reliability
Triumph T 21
6 vehicles · 37 completed MOT tests analysed
92%
MOT pass rate
Based on 6 Triumph T 21 vehicles and 37 completed MOT tests, the Triumph T 21 has an overall 92% pass rate, with an average recorded mileage of 39,889 miles.
6
Vehicles
37
MOT tests
796
Avg miles / year
0.2
Faults per test
0%
Dangerous-fault share
Triumph T 21 problem areas
Where faults occur most across all Triumph T 21 MOT tests:
-
Other100%
-
Brakes43%
Triumph T 21 pass rate by age
| Age (years) | Tests | Pass rate |
|---|---|---|
| 19 | 1 | 100% |
| 20 | 1 | 100% |
Fuel types: Petrol (6)
Most common Triumph T 21 MOT faults
These are the faults and advisories recorded most often across Triumph T 21 MOT tests:
- Drive chain slightly tight (6.2.1d) (2 times)
- Headlamp aim too high (1.6) (2 times)
- Drive chain slightly loose (6.2.1d) (2 times)
- Drive chain sprocket carrier worn but not considered excessive (6.2.1e) (2 times)
- Rear reflector on motorcycle missing (1.4.1) (1 times)
- Front Tyre has a cut in excess of the requirements deep enough to reach the ply or cords (4.1.2a(i)) (1 times)
Triumph T 21 pass rate by registration year
| Year | Vehicles | Tests | Pass rate | Avg mileage |
|---|---|---|---|---|
| 1987 | 1 | 4 | 100% | 32,866 |
| 1983 | 1 | 7 | 100% | 46,405 |
| 1966 | 1 | 7 | 71% | 24,080 |
| 1964 | 1 | 12 | 100% | 30,855 |
| 1961 | 1 | 4 | 75% | 71,169 |
| 1957 | 1 | 3 | 100% | 33,964 |
Triumph T 21 reliability FAQ
Across 6 Triumph T 21 vehicles in our MOT data,
92% pass the MOT (a 8% failure rate), with about
0.2 faults or advisories recorded per test.
The most frequently recorded Triumph T 21 MOT issues are:
Drive chain slightly tight (6.2.1d); Headlamp aim too high (1.6); Drive chain slightly loose (6.2.1d).
The typical Triumph T 21 in our data has covered around
39,889 miles.
Compare the Triumph T 21
See how the Triumph T 21 stacks up against other Triumph models on MOT reliability:
Check a specific Triumph T 21
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