HONDA SH 300 A-B

279cc Petrol Class 2

#1883 of 5426 overall #246 of 921 HONDAs #1137 of 2787 other bikes

87.1%

first-time pass rate

7.7%

failed outright

12,454

median miles at test

1,952

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2014–2025

The SH 300 A-B's first-time pass rate has risen 2.0 points since 2014, 84.3% to 86.3%.

Pass rate by mileage

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

A low-mileage SH 300 A-B passes first time 92.2% of the time; by 50k that's 89.1%.

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-B

failure defects by component group · advisories excluded

Component group	Defects	% of defects	vs all bikes
brakes	80	31.5	0.8×
lighting and signalling	46	18.1	0.5×
lamps and reflectors	35	13.8	1.0×
tyres and wheels	23	9.1	0.6×
steering and suspension	20	7.9	0.3×
tyres	17	6.7	1.3×
suspension	14	5.5	0.8×
reg plates and vin	8	3.1	0.4×
steering	7	2.8	0.7×
structure and attachments	4	1.6	0.3×

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-B beats 4 of its 4 closest rivals (YAMAHA RD350, YAMAHA YP250, YAMAHA WR250F).

YAMAHA RD350 86.3% pass · 19.6k tests YAMAHA YP250 82.5% pass · 12.4k tests YAMAHA WR250F 78.0% pass · 10.5k tests HONDA XR250 78.8% pass · 9,277 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 SH 300 A-B.

Pass rate by registration year

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

Best year to buy used: 2012 (89.9% pass). Weakest: 2011 (85.9%).

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-B FAQ

answers computed from the data above · terms in the glossary

Is the HONDA SH 300 A-B reliable?

The HONDA SH 300 A-B is more reliable than average for its class: 87.1% of its 1,952 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #1883 of 5426 models.

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

brakes — 31% of all defects recorded against failed SH 300 A-B tests.

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

The median SH 300 A-B shows 12,454 miles at test, and examples around 50k miles still pass 89.1% of the time — mileage alone rarely kills one.