BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ HONDA/SH 300 A-C
Model report · 2005–2025

HONDA SH 300 A-C

279cc Petrol Class 2
86.5%
first-time pass rate
7.2%
failed outright
11,530
median miles at test
999
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2015–2025

The SH 300 A-C's first-time pass rate has risen 6.1 points since 2015, 83.9% to 90.0%.

80%87%93%2015: 83.9% pass (112 tests)2016: 87.2% pass (148 tests)2017: 82.9% pass (123 tests)2018: 87.0% pass (92 tests)2019: 82.4% pass (91 tests)2020: 89.5% pass (76 tests)2021: 88.2% pass (93 tests)2022: 87.5% pass (88 tests)2023: 87.3% pass (71 tests)2024: 90.6% pass (53 tests)2025: 90.0% pass (50 tests)20152025

Pass rate by mileage

how the SH 300 A-C's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage SH 300 A-C passes first time 92.3% of the time; by 30k that's 70.7%.

66%82%97%0k: 92.3% pass (429 tests)10k: 84.5% pass (296 tests)20k: 84.4% pass (160 tests)30k: 70.7% pass (58 tests)0k20k30k

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-C

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects vs all bikes
brakes
43 33.6 0.7×
lighting and signalling
23 18 0.4×
lamps and reflectors
22 17.2 0.9×
tyres
14 10.9 1.8×
tyres and wheels
7 5.5 0.4×
suspension
6 4.7 0.8×
steering
4 3.1 1.0×
steering and suspension
3 2.3 0.1×
structure and attachments
3 2.3 0.4×
reg plates and vin
3 2.3 0.5×

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

same type, similar capacity, high test volume

On first-time pass rate the SH 300 A-C 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-C.

Pass rate by registration year

how each model-year cohort fares · registration year from first use date

Best year to buy used: 2013 (88.1% pass). Weakest: 2012 (86.1%).

85%87%89%2012: 86.1% pass (775 tests)2013: 88.1% pass (218 tests)20122013

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-C FAQ

answers computed from the data above · terms in the glossary

Is the HONDA SH 300 A-C reliable?

The HONDA SH 300 A-C is about average for its class: 86.5% of its 999 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #2050 of 5426 models.

What does a SH 300 A-C fail its MOT on most?

brakes — 34% of all defects recorded against failed SH 300 A-C tests.

How many miles will a SH 300 A-C last?

The median SH 300 A-C shows 11,530 miles at test, and examples around 30k miles still pass 70.7% of the time — mileage alone rarely kills one.