Kawasaki S1 vs Kawasaki Unknown: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Kawasaki S1
93%
MOT pass rate · 25 vehicles
Kawasaki Unknown
85%
MOT pass rate · 151,652 vehicles
Verdict: On MOT pass rate the Kawasaki S1 (93%) 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 S1 | Kawasaki Unknown |
|---|---|---|
| MOT pass rate | 93% ✓ | 85% |
| MOT failure rate | 7% ✓ | 15% |
| Faults & advisories per test | 0.2 ✓ | 0.8 |
| Dangerous-fault share | 0% ✓ | 3% |
| Average mileage | 12,622 mi | 19,921 mi |
| Sample size (vehicles) | 25 | 151,652 |
Most common faults
Kawasaki S1
- Rear Tyre worn close to the legal limit (4.1.3(ii))
- Front Brake lever has inadequate reserve travel (3.1.3b)
- Front Direction indicators affected by the operation of another lamp (1.5.1c)
- Front Steering control handlebar movement restricted by cables caught on a projection (2.1.2c)
- Rear Direction indicators not working (1.5.1c)
- Rear Stop lamp does not illuminate immediately a brake applies (1.3.1a)
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))
Reliability FAQ
On MOT pass rate the Kawasaki S1 (93%) and Kawasaki Unknown (85%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Kawasaki S1 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.