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Honda Cb 550f vs Honda Unknown: reliability comparison

MOT pass rates, common faults and mileage compared from real UK MOT data.

Honda Cb 550f
90%
MOT pass rate · 4 vehicles
Honda Unknown
85%
MOT pass rate · 1,041,859 vehicles
Verdict: On MOT pass rate the Honda Cb 550f (90%) and Honda Unknown (85%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Honda Cb 550f Honda Unknown
MOT pass rate 90% ✓ 85%
MOT failure rate 10% ✓ 15%
Faults & advisories per test 0.5 ✓ 0.9
Dangerous-fault share 0% ✓ 3%
Average mileage 27,524 mi 25,474 mi
Sample size (vehicles) 4 1,041,859

Most common faults

Honda Cb 550f

  1. Steering movement slightly 'notchy' (2.2.1a)
  2. Steering movement slightly 'notchy' (2.2.1b)
  3. Rear Roller brake test indicates slight fluctuation of brake effort (3.3.A1d)
  4. Drive chain slightly loose (6.2.1d)
  5. Headlamp aim too low (1.6)
  6. Drive chain worn but not considered excessive (6.2.1e)

Honda Unknown

  1. Exhaust noisy (8.1.1 (a))
  2. Rear Tyre worn close to the legal limit (5.2.3 (e))
  3. Chain guard missing
  4. Rear reflector missing (4.8.2 (a) (ii))
  5. Drive chain slightly loose (6.1.7 (c) (i))
  6. Front Brake binding but not excessively (1.2.1 (f))

Reliability FAQ

On MOT pass rate the Honda Cb 550f (90%) and Honda Unknown (85%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Honda Cb 550f report Full Honda Unknown report Most reliable cars

Pass rates are computed over completed (pass/fail) MOT tests. Reliability also depends on age, mileage and upkeep — see each model's page for the full picture.