KAWASAKI GPZ900
Pass rate over time
The GPZ900's first-time pass rate has risen 6.2 points since 2006, 80.5% to 86.7%.
Pass rate by mileage
A low-mileage GPZ900 passes first time 80.0% of the time; by 50k that's 68.3%.
First-time pass rate by odometer reading at test, 10,000-mile bands for this model. Mileage is the strongest reliability signal. See the full curve.
What fails on a GPZ900
| Component group | Share of defects | Defects | % of defects |
|---|---|---|---|
| brakes |
|
40 | 31.5 |
| lighting and signalling |
|
29 | 22.8 |
| steering and suspension |
|
28 | 22 |
| tyres and wheels |
|
8 | 6.3 |
| fuel and exhaust |
|
6 | 4.7 |
| drive system |
|
5 | 3.9 |
| lamps and reflectors |
|
4 | 3.1 |
| audible warning (Horn) |
|
3 | 2.4 |
| reg plates and vin |
|
2 | 1.6 |
| driving controls |
|
2 | 1.6 |
Defects recorded against failed normal tests, 2005–2025, grouped by DVSA inspection section. One test can record multiple defects.
How rivals compare
On first-time pass rate the GPZ900 beats 0 of its 4 closest rivals (TRIUMPH SPEED TRIPLE, TRIUMPH STREET TRIPLE, APRILIA TUONO).
Rivals share this bike's type and sit within ±30% of its engine capacity, ≥ 5,000 tests. Card colour = better/worse first-time pass rate than the GPZ900.
Pass rate by registration year
Best year to buy used: 1990 (78.0% pass). Weakest: 1985 (75.4%).
First-time pass rate by the year each bike was first registered (cohorts with ≥ 50 tests). Older cohorts are survivors: the worst examples have already left the road, which tends to lift the earliest years.