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MOT reliability

Triumph Merlin

1 vehicles · 12 completed MOT tests analysed
83%
MOT pass rate

Based on 1 Triumph Merlin vehicles and 12 completed MOT tests, the Triumph Merlin has an overall 83% pass rate, with an average recorded mileage of 37,644 miles.

1
Vehicles
12
MOT tests
362
Avg miles / year
1.8
Faults per test
0%
Dangerous-fault share

Triumph Merlin problem areas

Where faults occur most across all Triumph Merlin MOT tests:

  • Other71%
  • Tyres, wheels & suspension19%
  • Brakes5%
  • Emissions & nuisance5%
  • Body & structure5%

Fuel types: Petrol (1)

Most common Triumph Merlin MOT faults

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

  1. Offside Rear Outer Leaf spring has slight side play at eye (shackle) (2.4.B.4) (2 times)
  2. Offside Rear play in bush (2 times)
  3. Nearside Front Wheel bearing has slight play (5.1.3 (a) (i)) (2 times)
  4. Offside Front Wheel bearing has slight play (5.1.3 (a) (i)) (2 times)
  5. Nearside Front Lower Front suspension has slight movement at a suspension ball joint (2.5.A.1c) (1 times)
  6. Battery insecure (1.9.1) (1 times)
  7. Horn not working (1.6.2a) (1 times)
  8. Offside Rear Service brake: service brake efficiency only just met. It would appear that the braking system requires adjustment or repair. (3.7.C.1a) (1 times)
  9. Windscreen washer provides insufficient washer liquid (8.2.3) (1 times)
  10. off side rear brake binding whem rotated by hand (1 times)
  11. Nearside Front Brake hose has insufficient room to move, resulting in fouling on any part (3.6.B.4a) (1 times)
  12. Nearside Rear Inner Drive shaft uj which forms part of the suspension has a loose flange bolt (2.4.G.4c) (1 times)
  13. Offside Front Brake hose has insufficient room to move, resulting in fouling on any part (3.6.B.4a) (1 times)
  14. Offside Rear Brake pipe inadequately clipped (3.6.B.1) (1 times)
  15. Offside Rear Inner Drive shaft uj which forms part of the suspension has a loose flange bolt (2.4.G.4c) (1 times)

Triumph Merlin pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
1969 1 12 83% 37,644

Triumph Merlin reliability FAQ

Across 1 Triumph Merlin vehicles in our MOT data, 83% pass the MOT (a 17% failure rate), with about 1.8 faults or advisories recorded per test.

The most frequently recorded Triumph Merlin MOT issues are: Offside Rear Outer Leaf spring has slight side play at eye (shackle) (2.4.B.4); Offside Rear play in bush; Nearside Front Wheel bearing has slight play (5.1.3 (a) (i)).

The typical Triumph Merlin in our data has covered around 37,644 miles.

Compare the Triumph Merlin

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

Merlin vs Toledo Merlin vs Unknown Merlin vs 2000 Merlin vs 1500

Check a specific Triumph Merlin

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See all Triumph models · Learn about common MOT failures · what an MOT checks