Model report · 2005–2025
KAWASAKI KDX125-B1
124cc
Petrol
Class 1
71.2%
first-time pass rate
18.2%
failed outright
14,828
median miles at test
66
MOT tests, 2005–2025
What fails on a KDX125-B1
failure defects by component group · advisories excluded
| Component group | Share of defects | Defects | % of defects |
|---|---|---|---|
| brakes |
|
12 | 29.3 |
| lighting and signalling |
|
9 | 22 |
| steering and suspension |
|
8 | 19.5 |
| tyres and wheels |
|
5 | 12.2 |
| Items Not Tested |
|
2 | 4.9 |
| lamps and reflectors |
|
1 | 2.4 |
| fuel and exhaust |
|
1 | 2.4 |
| reg plates and vin |
|
1 | 2.4 |
| drive system |
|
1 | 2.4 |
| audible warning (Horn) |
|
1 | 2.4 |
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 KDX125-B1 beats 2 of its 4 closest rivals (YAMAHA YBR 125, HONDA CG125, HONDA CBF125).
YAMAHA
YBR 125
71.0% pass · 125k tests
HONDA
CG125
72.2% pass · 89.3k tests
HONDA
CBF125
73.3% pass · 84.4k tests
GILERA
RUNNER
70.8% pass · 69.9k 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 KDX125-B1.