Model report · 2005–2025
YAMAHA AS1
125cc
Petrol
Class 1
92.3%
first-time pass rate
1.5%
failed outright
20,626
median miles at test
65
MOT tests, 2005–2025
What fails on a AS1
failure defects by component group · advisories excluded
| Component group | Share of defects | Defects | % of defects |
|---|---|---|---|
| body and structure |
|
1 | 100 |
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 AS1 beats 4 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 AS1.