Model report · 2005–2025
SUZUKI ST400
399cc
Petrol
Class 2
91.9%
first-time pass rate
2.0%
failed outright
13,238
median miles at test
99
MOT tests, 2005–2025
What fails on a ST400
failure defects by component group · advisories excluded
| Component group | Share of defects | Defects | % of defects |
|---|---|---|---|
| lighting and signalling |
|
2 | 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 ST400 beats 4 of its 4 closest rivals (KAWASAKI ER5, SUZUKI GS500, SUZUKI AN400).
KAWASAKI
ER5
77.4% pass · 53.1k tests
SUZUKI
GS500
76.4% pass · 44.9k tests
SUZUKI
AN400
86.2% pass · 27.1k tests
SUZUKI
DR-Z400S
80.4% pass · 26.8k 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 ST400.