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Kawasaki Ex 650 kjf vs Kawasaki Zx-6r: 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 Zx-6r
82%
MOT pass rate · 18,602 vehicles
Verdict: On MOT pass rate, the Kawasaki Ex 650 kjf is the more reliable of the two — 91% pass first time versus 82%. It's one signal among several; check the full breakdown below.

Head to head

Measure Kawasaki Ex 650 kjf Kawasaki Zx-6r
MOT pass rate 91% ✓ 82%
MOT failure rate 9% ✓ 18%
Faults & advisories per test 0.5 ✓ 0.9
Dangerous-fault share 5% 1% ✓
Average mileage 13,248 mi 28,430 mi
Sample size (vehicles) 297 18,602

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 Zx-6r

  1. Rear Tyre worn close to the legal limit (4.1.3(ii))
  2. Front Tyre worn close to the legal limit (4.1.3(ii))
  3. Exhaust noisy (7.1.2)
  4. Drive chain slightly loose (6.2.1d)
  5. Front Roller brake test indicates slight fluctuation of brake effort (3.3.A1d)
  6. Exhaust noisy (8.1.1 (a))

Reliability FAQ

On MOT pass rate, the Kawasaki Ex 650 kjf is the more reliable of the two — 91% pass first time versus 82%. It's one signal among several; check the full breakdown below.

Full Kawasaki Ex 650 kjf report Full Kawasaki Zx-6r 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.