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Kawasaki Ex 650 vs Kawasaki Zx-6r: reliability comparison

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

Kawasaki Ex 650
86%
MOT pass rate · 40 vehicles
More reliable
Kawasaki Zx-6r
82%
MOT pass rate · 18,602 vehicles
Verdict: On MOT pass rate, the Kawasaki Ex 650 is the more reliable of the two — 86% pass first time versus 82%. It's one signal among several; check the full breakdown below.

Head to head

Measure Kawasaki Ex 650 Kawasaki Zx-6r
MOT pass rate 86% ✓ 82%
MOT failure rate 14% ✓ 18%
Faults & advisories per test 0.8 ✓ 0.9
Dangerous-fault share 3% 1% ✓
Average mileage 21,301 mi 28,430 mi
Sample size (vehicles) 40 18,602

Most common faults

Kawasaki Ex 650

  1. Rear Tyre worn close to the legal limit (5.2.3 (e))
  2. Drive chain slightly loose (6.2.1d)
  3. Exhaust noisy (8.1.1 (a))
  4. Drive chain worn but not considered excessive (6.1.7 (c) (i))
  5. Front Tyre worn close to the legal limit (4.1.3(ii))
  6. Front Tyre worn close to the legal limit (5.2.3 (e))

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 is the more reliable of the two — 86% pass first time versus 82%. It's one signal among several; check the full breakdown below.

Full Kawasaki Ex 650 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.