Model report · 2005–2025
76.6%
first-time pass rate
14.4%
failed outright
2,462
median miles at test
201
MOT tests, 2005–2025
What fails on a 125 SX
failure defects by component group · advisories excluded
| Component group | Share of defects | Defects | % of defects |
|---|---|---|---|
| lighting and signalling |
|
22 | 19.3 |
| suspension |
|
18 | 15.8 |
| lamps and reflectors |
|
14 | 12.3 |
| steering and suspension |
|
11 | 9.6 |
| tyres |
|
11 | 9.6 |
| brakes |
|
10 | 8.8 |
| structure and attachments |
|
10 | 8.8 |
| tyres and wheels |
|
9 | 7.9 |
| audible warning (Horn) |
|
5 | 4.4 |
| reg plates and vin |
|
4 | 3.5 |
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 125 SX 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 125 SX.