Model report · 2005–2025
86.0%
first-time pass rate
8.7%
failed outright
10,600
median miles at test
242
MOT tests, 2005–2025
Pass rate by mileage
how the SL's first-time pass rate falls with the odometer · class average 84.9%
A low-mileage SL passes first time 92.0% of the time; by 20k that's 76.5%.
First-time pass rate by odometer reading at test, 10,000-mile bands for this model. Mileage is the strongest reliability signal. See the full curve.
What fails on a SL
failure defects by component group · advisories excluded
| Component group | Share of defects | Defects | % of defects |
|---|---|---|---|
| brakes |
|
11 | 22 |
| lighting and signalling |
|
10 | 20 |
| lamps and reflectors |
|
10 | 20 |
| steering |
|
5 | 10 |
| structure and attachments |
|
4 | 8 |
| reg plates and vin |
|
3 | 6 |
| steering and suspension |
|
3 | 6 |
| tyres |
|
2 | 4 |
| tyres and wheels |
|
1 | 2 |
| body and structure |
|
1 | 2 |
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 SL beats 4 of its 4 closest rivals (KAWASAKI ZX-6R, SUZUKI GSF600, YAMAHA FZS600).
KAWASAKI
ZX-6R
78.1% pass · 174k tests
SUZUKI
GSF600
77.3% pass · 143k tests
YAMAHA
FZS600
82.6% pass · 137k tests
TRIUMPH
SPRINT
85.6% pass · 133k 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 SL.