Model report · 2005–2025
WHITE KNUCKLE CF
125cc
Petrol
Class 1
72.9%
first-time pass rate
20.3%
failed outright
4,743
median miles at test
133
MOT tests, 2005–2025
What fails on a CF
failure defects by component group · advisories excluded
| Component group | Share of defects | Defects | % of defects |
|---|---|---|---|
| lamps and reflectors |
|
25 | 37.3 |
| suspension |
|
17 | 25.4 |
| brakes |
|
9 | 13.4 |
| lighting and signalling |
|
6 | 9 |
| tyres |
|
3 | 4.5 |
| structure and attachments |
|
2 | 3 |
| steering and suspension |
|
2 | 3 |
| steering |
|
1 | 1.5 |
| fuel and exhaust |
|
1 | 1.5 |
| audible warning (Horn) |
|
1 | 1.5 |
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 CF beats 3 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 CF.