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Kawasaki Kx 450 vs Kawasaki Unknown: reliability comparison

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

Kawasaki Kx 450
67%
MOT pass rate · 2 vehicles
Kawasaki Unknown
85%
MOT pass rate · 151,652 vehicles
Verdict: On MOT pass rate the Kawasaki Kx 450 (67%) and Kawasaki Unknown (85%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Kawasaki Kx 450 Kawasaki Unknown
MOT pass rate 67% 85% ✓
MOT failure rate 33% 15% ✓
Faults & advisories per test 2.0 0.8 ✓
Dangerous-fault share 0% ✓ 3%
Average mileage — 19,921 mi
Sample size (vehicles) 2 151,652

Most common faults

Kawasaki Kx 450

  1. No lights fitted at time of test
  2. Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition (7.1.2)
  3. Front Front wheel bearings are excessively rough (2.3.5b)
  4. Front Front wheel bearings have excessive free play (2.3.5b)
  5. Front Steering movement slightly stiff (2.2.1b)
  6. Rear Front wheel bearings have excessive free play (2.3.5b)

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 Kx 450 (67%) and Kawasaki Unknown (85%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Kawasaki Kx 450 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.