Skip to content

Kawasaki Ex 650 kjf vs Kawasaki Unknown: reliability comparison

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

Kawasaki Ex 650 kjf
91%
MOT pass rate · 297 vehicles
More reliable
Kawasaki Unknown
85%
MOT pass rate · 151,652 vehicles
Verdict: On MOT pass rate, the Kawasaki Ex 650 kjf is the more reliable of the two — 91% pass first time versus 85%. It's one signal among several; check the full breakdown below.

Head to head

Measure Kawasaki Ex 650 kjf Kawasaki Unknown
MOT pass rate 91% ✓ 85%
MOT failure rate 9% ✓ 15%
Faults & advisories per test 0.5 ✓ 0.8
Dangerous-fault share 5% 3% ✓
Average mileage 13,248 mi 19,921 mi
Sample size (vehicles) 297 151,652

Most common faults

Kawasaki Ex 650 kjf

  1. Exhaust noisy (8.1.1 (a))
  2. Front Tyre worn close to the legal limit (5.2.3 (e))
  3. Drive chain slightly loose (6.1.7 (c) (i))
  4. Rear Tyre worn close to the legal limit (5.2.3 (e))
  5. Rear reflector missing (4.8.2 (a) (ii))
  6. Rear Brake pad(s) close to minimum limit (1.1.13 (a))

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 Ex 650 kjf is the more reliable of the two — 91% pass first time versus 85%. It's one signal among several; check the full breakdown below.

Full Kawasaki Ex 650 kjf 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.