Skip to content

MOT reliability

Triumph 3ta t21

1 vehicles · 9 completed MOT tests analysed
78%
MOT pass rate

Based on 1 Triumph 3ta t21 vehicles and 9 completed MOT tests, the Triumph 3ta t21 has an overall 78% pass rate, with an average recorded mileage of 48,600 miles.

1
Vehicles
9
MOT tests
1.2
Faults per test
0%
Dangerous-fault share

Triumph 3ta t21 problem areas

Where faults occur most across all Triumph 3ta t21 MOT tests:

  • Other145%
  • Brakes9%

Fuel types: Petrol (1)

Most common Triumph 3ta t21 MOT faults

These are the faults and advisories recorded most often across Triumph 3ta t21 MOT tests:

  1. Rear wheel bearings have slight free play (2.4.A.2c) (4 times)
  2. Drive chain sprocket carrier worn but not considered excessive (6.2.1e) (3 times)
  3. headlamp cracked but not affecting use (2 times)
  4. slight oil leak (2 times)
  5. Horn not working (1.7.3a) (1 times)
  6. Rear Stop lamp does not illuminate immediately a brake applies (1.3.1a) (1 times)
  7. Brake lever has inadequate reserve travel (3.1.3b) (1 times)
  8. Headlamp aim too low (1.6) (1 times)
  9. Oil leak (1 times)
  10. headlamp cracked but functions ok (1 times)

Triumph 3ta t21 pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
1965 1 9 78% 48,600

Triumph 3ta t21 reliability FAQ

Across 1 Triumph 3ta t21 vehicles in our MOT data, 78% pass the MOT (a 22% failure rate), with about 1.2 faults or advisories recorded per test.

The most frequently recorded Triumph 3ta t21 MOT issues are: Rear wheel bearings have slight free play (2.4.A.2c); Drive chain sprocket carrier worn but not considered excessive (6.2.1e); headlamp cracked but not affecting use.

The typical Triumph 3ta t21 in our data has covered around 48,600 miles.

Compare the Triumph 3ta t21

See how the Triumph 3ta t21 stacks up against other Triumph models on MOT reliability:

3ta t21 vs Toledo 3ta t21 vs Unknown 3ta t21 vs 2000 3ta t21 vs 1500

Check a specific Triumph 3ta t21

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