Kawasaki Zx900-b1 vs Kawasaki Zzr600: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Kawasaki Zx900-b1
86%
MOT pass rate · 7 vehicles
Kawasaki Zzr600
82%
MOT pass rate · 6,491 vehicles
Verdict: On MOT pass rate the Kawasaki Zx900-b1 (86%) and Kawasaki Zzr600 (82%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Kawasaki Zx900-b1 | Kawasaki Zzr600 |
|---|---|---|
| MOT pass rate | 86% ✓ | 82% |
| MOT failure rate | 14% ✓ | 18% |
| Faults & advisories per test | 0.5 ✓ | 0.9 |
| Dangerous-fault share | 0% ✓ | 1% |
| Average mileage | 28,494 mi | 37,252 mi |
| Sample size (vehicles) | 7 | 6,491 |
Most common faults
Kawasaki Zx900-b1
- Front wheel bearings have slight free play (2.3.5b)
- Front mudguard insecure (2.3.7)
- Rear Brake pad(s) less than 1.5 mm thick (3.2.A1f(i))
- Front Steering headbearing has slight free play (2.2.2)
- Central Front Valve stem slightly damaged (5.2.3 (j))
- Central Rear Valve stem slightly damaged (5.2.3 (j))
Kawasaki Zzr600
- Front Tyre worn close to the legal limit (4.1.3(ii))
- Rear Tyre worn close to the legal limit (4.1.3(ii))
- Front Roller brake test indicates slight fluctuation of brake effort (3.3.A1d)
- Drive chain slightly loose (6.2.1d)
- Rear Brake pad(s) close to minimum limit (3.2.A1f(i))
- Drive chain worn but not considered excessive (6.2.1e)
Reliability FAQ
On MOT pass rate the Kawasaki Zx900-b1 (86%) and Kawasaki Zzr600 (82%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Kawasaki Zx900-b1 report Full Kawasaki Zzr600 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.