Model report · 2005–2025
YAMAHA YZ426F
426cc
Petrol
Class 2
74.8%
first-time pass rate
17.1%
failed outright
596
median miles at test
123
MOT tests, 2005–2025
What fails on a YZ426F
failure defects by component group · advisories excluded
| Component group | Share of defects | Defects | % of defects |
|---|---|---|---|
| lighting and signalling |
|
16 | 24.6 |
| tyres and wheels |
|
13 | 20 |
| steering and suspension |
|
10 | 15.4 |
| brakes |
|
7 | 10.8 |
| reg plates and vin |
|
5 | 7.7 |
| lamps and reflectors |
|
5 | 7.7 |
| tyres |
|
3 | 4.6 |
| audible warning (Horn) |
|
2 | 3.1 |
| fuel and exhaust |
|
2 | 3.1 |
| structure and attachments |
|
2 | 3.1 |
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 YZ426F beats 0 of its 4 closest rivals (KAWASAKI ER5, YAMAHA XV535, SUZUKI GS500).
KAWASAKI
ER5
77.4% pass · 53.1k tests
YAMAHA
XV535
82.7% pass · 48.1k tests
SUZUKI
GS500
76.4% pass · 44.9k tests
SUZUKI
AN400
86.2% pass · 27.1k 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 YZ426F.