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Kawasaki Er 650 ecf vs Kawasaki Zx-9r: reliability comparison

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

Kawasaki Er 650 ecf
87%
MOT pass rate · 330 vehicles
More reliable
Kawasaki Zx-9r
84%
MOT pass rate · 8,856 vehicles
Verdict: On MOT pass rate, the Kawasaki Er 650 ecf is the more reliable of the two — 87% pass first time versus 84%. It's one signal among several; check the full breakdown below.

Head to head

Measure Kawasaki Er 650 ecf Kawasaki Zx-9r
MOT pass rate 87% ✓ 84%
MOT failure rate 13% ✓ 16%
Faults & advisories per test 0.6 ✓ 0.8
Dangerous-fault share 3% 1% ✓
Average mileage 20,132 mi 32,039 mi
Sample size (vehicles) 330 8,856

Most common faults

Kawasaki Er 650 ecf

  1. Exhaust noisy (8.1.1 (a))
  2. Front Tyre worn close to the legal limit (5.2.3 (e))
  3. Rear Tyre worn close to the legal limit (5.2.3 (e))
  4. Drive chain slightly loose (6.1.7 (c) (i))
  5. Exhaust noisy (7.1.2)
  6. Front Tyre worn close to the legal limit (4.1.3(ii))

Kawasaki Zx-9r

  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. Exhaust noisy (8.1.1 (a))
  5. Drive chain slightly loose (6.2.1d)
  6. Front Brake pad(s) close to minimum limit (3.2.A1f(i))

Reliability FAQ

On MOT pass rate, the Kawasaki Er 650 ecf is the more reliable of the two — 87% pass first time versus 84%. It's one signal among several; check the full breakdown below.

Full Kawasaki Er 650 ecf report Full Kawasaki Zx-9r 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.