Kawasaki Unknown vs Kawasaki Z650sr: 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 Z650sr
89%
MOT pass rate · 2 vehicles
Verdict: On MOT pass rate the Kawasaki Unknown (85%) and Kawasaki Z650sr (89%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Kawasaki Unknown | Kawasaki Z650sr |
|---|---|---|
| MOT pass rate | 85% | 89% ✓ |
| MOT failure rate | 15% | 11% ✓ |
| Faults & advisories per test | 0.8 | 0.6 ✓ |
| Dangerous-fault share | 3% | 0% ✓ |
| Average mileage | 19,921 mi | 17,733 mi |
| Sample size (vehicles) | 151,652 | 2 |
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 Z650sr
- Nearside Front shock absorber seal failed and leaking oil (2.3.3)
- Rear Roller brake test indicates slight fluctuation of brake effort (3.3.A1d)
- Headlamp aim too low (1.6)
- Offside Front shock absorber has light misting of stanchion (2.3.3)
- Rear reflector on motorcycle incorrectly positioned (1.4.2d)
- Steering lock stop ineffective (2.1.3)
Reliability FAQ
On MOT pass rate the Kawasaki Unknown (85%) and Kawasaki Z650sr (89%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Kawasaki Unknown report Full Kawasaki Z650sr 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.