Model report · 2005–2025
KAWASAKI Z 550G3
553cc
Petrol
Class 2
82.8%
first-time pass rate
11.5%
failed outright
41,734
median miles at test
122
MOT tests, 2005–2025
What fails on a Z 550G3
failure defects by component group · advisories excluded
| Component group | Share of defects | Defects | % of defects |
|---|---|---|---|
| brakes |
|
8 | 32 |
| steering and suspension |
|
7 | 28 |
| lighting and signalling |
|
2 | 8 |
| driving controls |
|
2 | 8 |
| tyres |
|
1 | 4 |
| body and structure |
|
1 | 4 |
| tyres and wheels |
|
1 | 4 |
| fuel and exhaust |
|
1 | 4 |
| reg plates and vin |
|
1 | 4 |
| suspension |
|
1 | 4 |
Defects recorded against failed normal tests, 2005–2025, grouped by DVSA inspection section. One test can record multiple defects.
How rivals compare
same type, similar capacity, high test volume
On first-time pass rate the Z 550G3 beats 4 of its 4 closest rivals (KAWASAKI ZX-6R, SUZUKI GSF600, YAMAHA FZS600).
KAWASAKI
ZX-6R
78.1% pass · 174k tests
SUZUKI
GSF600
77.3% pass · 143k tests
YAMAHA
FZS600
82.6% pass · 137k tests
SUZUKI
SV650S
80.6% pass · 84.6k tests
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 Z 550G3.
Pass rate by registration year
how each model-year cohort fares · registration year from first use date
Best year to buy used: 1986 (86.5% pass). Weakest: 1987 (82.0%).
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.