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Kawasaki Kx420 vs Kawasaki Zx-6r: reliability comparison

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

Kawasaki Kx420
60%
MOT pass rate · 2 vehicles
Kawasaki Zx-6r
82%
MOT pass rate · 18,602 vehicles
Verdict: On MOT pass rate the Kawasaki Kx420 (60%) and Kawasaki Zx-6r (82%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Kawasaki Kx420 Kawasaki Zx-6r
MOT pass rate 60% 82% ✓
MOT failure rate 40% 18% ✓
Faults & advisories per test 5.0 0.9 ✓
Dangerous-fault share 0% ✓ 1%
Average mileage — 28,430 mi
Sample size (vehicles) 2 18,602

Most common faults

Kawasaki Kx420

  1. Drive chain worn but not considered excessive (6.2.1e)
  2. No lights fitted at time of test
  3. only to be used during daylight hours
  4. Chain guard missing
  5. Front Roller brake test indicates slight fluctuation of brake effort (3.3.A1d)
  6. Rear Roller brake test indicates slight fluctuation of brake effort (3.3.A1d)

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 Kx420 (60%) and Kawasaki Zx-6r (82%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Kawasaki Kx420 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.