HONDA SH 300 A-8
Pass rate over time
The SH 300 A-8's first-time pass rate has fallen 10.4 points since 2011, 91.5% to 81.1%.
Pass rate by mileage
A low-mileage SH 300 A-8 passes first time 92.6% 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-8
| Component group | Share of defects | Defects | % of defects | vs all bikes |
|---|---|---|---|---|
| brakes |
|
65 | 34.6 | 0.7× |
| lighting and signalling |
|
36 | 19.1 | 0.4× |
| tyres and wheels |
|
32 | 17 | 0.8× |
| lamps and reflectors |
|
17 | 9 | 0.6× |
| steering and suspension |
|
14 | 7.4 | 0.3× |
| tyres |
|
12 | 6.4 | 0.9× |
| suspension |
|
7 | 3.7 | 0.4× |
| body and structure |
|
2 | 1.1 | 0.2× |
| reg plates and vin |
|
2 | 1.1 | 0.2× |
| wheels |
|
1 | 0.5 | 1.0× |
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-8 beats 4 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-8.
Pass rate by registration year
Best year to buy used: 2010 (89.9% pass). Weakest: 2008 (86.4%).
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-8 FAQ
Is the HONDA SH 300 A-8 reliable?
The HONDA SH 300 A-8 is about average for its class: 86.8% of its 1,719 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #1962 of 5426 models.
What does a SH 300 A-8 fail its MOT on most?
brakes — 35% of all defects recorded against failed SH 300 A-8 tests.
What is the best year of SH 300 A-8 to buy used?
By first-time pass rate, 2010-registered examples do best (89.9%) and 2008 worst (86.4%). Condition and history still trump the year.
How many miles will a SH 300 A-8 last?
The median SH 300 A-8 shows 12,447 miles at test, and examples around 40k miles still pass 87.5% of the time — mileage alone rarely kills one.