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

HONDA SH 300 A-K

279cc Petrol Class 2
#263 of 5426 overall #40 of 921 HONDAs #164 of 2787 other bikes
93.2%
first-time pass rate
3.9%
failed outright
4,221
median miles at test
512
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2022–2025

The SH 300 A-K's first-time pass rate has risen 4.3 points since 2022, 90.3% to 94.6%.

89%93%97%2022: 90.3% pass (72 tests)2023: 95.7% pass (139 tests)2024: 91.3% pass (150 tests)2025: 94.6% pass (147 tests)20222025

What fails on a SH 300 A-K

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects vs all bikes
brakes
10 38.5 0.4×
tyres
8 30.8 2.3×
lamps and reflectors
4 15.4 0.5×
steering
3 11.5 1.4×
suspension
1 3.8 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-K 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-K.

Pass rate by registration year

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

Best year to buy used: 2021 (96.0% pass). Weakest: 2019 (90.6%).

90%93%97%2019: 90.6% pass (235 tests)2020: 95.0% pass (200 tests)2021: 96.0% pass (75 tests)201920202021

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-K FAQ

answers computed from the data above · terms in the glossary

Is the HONDA SH 300 A-K reliable?

The HONDA SH 300 A-K is more reliable than average for its class: 93.2% of its 512 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #263 of 5426 models.

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

brakes — 38% of all defects recorded against failed SH 300 A-K tests.

What is the best year of SH 300 A-K to buy used?

By first-time pass rate, 2021-registered examples do best (96.0%) and 2019 worst (90.6%). Condition and history still trump the year.