HONDA SH 300 A-D
Pass rate over time
The SH 300 A-D's first-time pass rate has fallen 7.3 points since 2016, 81.6% to 74.3%.
Pass rate by mileage
A low-mileage SH 300 A-D passes first time 87.0% of the time; by 20k that's 84.4%.
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 SH 300 A-D
| Component group | Share of defects | Defects | % of defects |
|---|---|---|---|
| lamps and reflectors |
|
12 | 20.7 |
| brakes |
|
12 | 20.7 |
| tyres |
|
10 | 17.2 |
| lighting and signalling |
|
7 | 12.1 |
| tyres and wheels |
|
6 | 10.3 |
| steering and suspension |
|
5 | 8.6 |
| steering |
|
3 | 5.2 |
| suspension |
|
2 | 3.4 |
| structure and attachments |
|
1 | 1.7 |
Defects recorded against failed normal tests, 2005–2025, grouped by DVSA inspection section. One test can record multiple defects.
How rivals compare
On first-time pass rate the SH 300 A-D beats 3 of its 4 closest rivals (YAMAHA RD350, YAMAHA YP250, YAMAHA WR250F).
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 SH 300 A-D.
Pass rate by registration year
Best year to buy used: 2013 (83.6% pass). Weakest: 2013 (83.6%).
First-time pass rate by the year each bike was first registered (cohorts with ≥ 50 tests). Older cohorts are survivors: the worst examples have already left the road, which tends to lift the earliest years.