Kawasaki Unknown vs Kawasaki W1: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Kawasaki Unknown
85%
MOT pass rate · 151,652 vehicles
Kawasaki W1
79%
MOT pass rate · 12 vehicles
Verdict: On MOT pass rate the Kawasaki Unknown (85%) and Kawasaki W1 (79%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Kawasaki Unknown | Kawasaki W1 |
|---|---|---|
| MOT pass rate | 85% ✓ | 79% |
| MOT failure rate | 15% ✓ | 21% |
| Faults & advisories per test | 0.8 | 0.1 ✓ |
| Dangerous-fault share | 3% | 0% ✓ |
| Average mileage | 19,921 mi | 20,415 mi |
| Sample size (vehicles) | 151,652 | 12 |
Most common faults
Kawasaki Unknown
- Exhaust noisy (8.1.1 (a))
- Front Brake indicates slight fluctuation of brake effort (1.2.1 (e))
- COVID-19 6 MONTH EXTENSION
- Rear reflector missing (4.8.2 (a) (ii))
- Front Tyre worn close to the legal limit (5.2.3 (e))
- Drive chain slightly loose (6.1.7 (c) (i))
Kawasaki W1
- Stop lamp does not illuminate immediately a brake applies (1.3.1a)
- Steering headbearing has excessive free play (2.2.2)
- Front Wheel alignment incorrect which adversely affects the handling (2.5.1)
- Headlamp aim too high (4.1.2 (a))
- Rear suspension bearing has excessive free play (2.4.A2a(i))
- Rear position lamp does not illuminate immediately when it is switched on (1.1.3a)
Reliability FAQ
On MOT pass rate the Kawasaki Unknown (85%) and Kawasaki W1 (79%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Kawasaki Unknown report Full Kawasaki W1 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.