Skip to content

Kawasaki Bn 125 a6f vs Kawasaki Unknown: reliability comparison

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

Kawasaki Bn 125 a6f
79%
MOT pass rate · 165 vehicles
Kawasaki Unknown
85%
MOT pass rate · 151,652 vehicles
More reliable
Verdict: On MOT pass rate, the Kawasaki Unknown is the more reliable of the two — 85% pass first time versus 79%. It's one signal among several; check the full breakdown below.

Head to head

Measure Kawasaki Bn 125 a6f Kawasaki Unknown
MOT pass rate 79% 85% ✓
MOT failure rate 21% 15% ✓
Faults & advisories per test 1.2 0.8 ✓
Dangerous-fault share 2% ✓ 3%
Average mileage 16,367 mi 19,921 mi
Sample size (vehicles) 165 151,652

Most common faults

Kawasaki Bn 125 a6f

  1. Drive chain slightly loose (6.2.1d)
  2. Front Tyre worn close to the legal limit (4.1.3(ii))
  3. Drive chain worn but not considered excessive (6.2.1e)
  4. Steering movement slightly 'notchy' (2.2.1b)
  5. Drive chain excessively loose (6.2.1d)
  6. Rear Tyre worn close to the legal limit (4.1.3(ii))

Kawasaki Unknown

  1. Exhaust noisy (8.1.1 (a))
  2. Front Brake indicates slight fluctuation of brake effort (1.2.1 (e))
  3. COVID-19 6 MONTH EXTENSION
  4. Rear reflector missing (4.8.2 (a) (ii))
  5. Front Tyre worn close to the legal limit (5.2.3 (e))
  6. Drive chain slightly loose (6.1.7 (c) (i))

Reliability FAQ

On MOT pass rate, the Kawasaki Unknown is the more reliable of the two — 85% pass first time versus 79%. It's one signal among several; check the full breakdown below.

Full Kawasaki Bn 125 a6f report Full Kawasaki 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.