HONDA SH 300 A-9
Pass rate over time
The SH 300 A-9's first-time pass rate has fallen 9.0 points since 2012, 84.0% to 75.0%.
Pass rate by mileage
A low-mileage SH 300 A-9 passes first time 88.5% of the time; by 40k that's 87.5%.
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 SH 300 A-9
| Component group | Share of defects | Defects | % of defects | vs all bikes |
|---|---|---|---|---|
| brakes |
|
63 | 41.4 | 0.9× |
| lighting and signalling |
|
25 | 16.4 | 0.4× |
| tyres and wheels |
|
22 | 14.5 | 0.9× |
| lamps and reflectors |
|
14 | 9.2 | 0.6× |
| steering and suspension |
|
10 | 6.6 | 0.2× |
| tyres |
|
7 | 4.6 | 0.8× |
| suspension |
|
5 | 3.3 | 0.6× |
| reg plates and vin |
|
3 | 2 | 0.3× |
| body and structure |
|
2 | 1.3 | 0.4× |
| steering |
|
1 | 0.7 | 0.2× |
Defects recorded against failed normal tests, 2005–2025, grouped by DVSA inspection section. One test can record multiple defects. "vs all bikes" is how often this model's tests record a defect in the group, as a multiple of the all-bike rate.
How rivals compare
On first-time pass rate the SH 300 A-9 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-9.
Pass rate by registration year
Best year to buy used: 2010 (85.5% pass). Weakest: 2009 (85.0%).
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.
HONDA SH 300 A-9 FAQ
Is the HONDA SH 300 A-9 reliable?
The HONDA SH 300 A-9 is about average for its class: 85.3% of its 1,117 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #2411 of 5426 models.
What does a SH 300 A-9 fail its MOT on most?
brakes — 41% of all defects recorded against failed SH 300 A-9 tests.
How many miles will a SH 300 A-9 last?
The median SH 300 A-9 shows 13,482 miles at test, and examples around 40k miles still pass 87.5% of the time — mileage alone rarely kills one.