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MOT reliability

Triumph Tr4 irs

2 vehicles · 30 completed MOT tests analysed
77%
MOT pass rate

Based on 2 Triumph Tr4 irs vehicles and 30 completed MOT tests, the Triumph Tr4 irs has an overall 77% pass rate, with an average recorded mileage of 35,908 miles.

2
Vehicles
30
MOT tests
489
Avg miles / year
1.8
Faults per test
0%
Dangerous-fault share

Triumph Tr4 irs problem areas

Where faults occur most across all Triumph Tr4 irs MOT tests:

  • Other102%
  • Steering11%
  • Emissions & nuisance6%
  • Seatbelts & equipment4%

Fuel types: Petrol (2)

Most common Triumph Tr4 irs MOT faults

These are the faults and advisories recorded most often across Triumph Tr4 irs MOT tests:

  1. Horn not working (1.6.2a) (3 times)
  2. Rear chassis corroded and previous welding done to a poor standard . (2 times)
  3. Rubber fuel hose from fuel pump to carbs badly split and perished . (2 times)
  4. Offside Rear Tyre worn close to the legal limit (4.1.E.1) (2 times)
  5. Exhaust has a minor leak of exhaust gases (7.1.2) (2 times)
  6. Nearside Rear Brake hose has slight corrosion to ferrules (3.6.B.4e) (2 times)
  7. Offside Rear Brake hose has slight corrosion to ferrules (3.6.B.4e) (2 times)
  8. Parking brake: efficiency below requirements (3.7.B.7) (2 times)
  9. Offside Front Lower Torque/reaction arm has slight play in a pin bearing trunion wearing (2.4.G.2) (2 times)
  10. Brake performance not tested (3.7.A.1) (1 times)
  11. Nearside Front Wheel insecure (4.2.A.1c) (1 times)
  12. Nearside Side repeater not working (1.4.A.2c) (1 times)
  13. Offside Rear Mechanical brake component has restricted free movement (3.5.1k) (1 times)
  14. Offside Rear Wheel insecure (4.2.A.1c) (1 times)
  15. Parking brake: efficiency below requirements (3.7.C.1b) (1 times)

Triumph Tr4 irs pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
1967 2 30 77% 35,908

Triumph Tr4 irs reliability FAQ

Across 2 Triumph Tr4 irs vehicles in our MOT data, 77% pass the MOT (a 23% failure rate), with about 1.8 faults or advisories recorded per test.

The most frequently recorded Triumph Tr4 irs MOT issues are: Horn not working (1.6.2a); Rear chassis corroded and previous welding done to a poor standard .; Rubber fuel hose from fuel pump to carbs badly split and perished ..

The typical Triumph Tr4 irs in our data has covered around 35,908 miles.

Compare the Triumph Tr4 irs

See how the Triumph Tr4 irs stacks up against other Triumph models on MOT reliability:

Tr4 irs vs Toledo Tr4 irs vs Unknown Tr4 irs vs 2000 Tr4 irs vs 1500

Check a specific Triumph Tr4 irs

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