HONDA SH50-H

49cc Petrol Class 1

73.4%

first-time pass rate

18.1%

failed outright

14,914

median miles at test

177

MOT tests, 2005–2025

Pass rate by mileage

how the SH50-H's first-time pass rate falls with the odometer · class average 73.4%

A low-mileage SH50-H passes first time 73.6% of the time; by 20k that's 66.7%.

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 SH50-H

failure defects by component group · advisories excluded

Component group	Defects	% of defects
lighting and signalling	38	36.5
steering and suspension	27	26
brakes	14	13.5
tyres and wheels	8	7.7
lamps and reflectors	7	6.7
fuel and exhaust	4	3.8
body and structure	3	2.9
Identification of the vehicle	1	1
driving controls	1	1
suspension	1	1

Defects recorded against failed normal tests, 2005–2025, grouped by DVSA inspection section. One test can record multiple defects.

How rivals compare

same type, similar capacity, high test volume

On first-time pass rate the SH50-H beats 4 of its 4 closest rivals (PEUGEOT SPEEDFIGHT, PIAGGIO ZIP, PIAGGIO NRG).

PEUGEOT SPEEDFIGHT 65.2% pass · 83.7k tests PIAGGIO ZIP 71.3% pass · 79.0k tests PIAGGIO NRG 65.5% pass · 40.5k tests PEUGEOT VIVACITY 70.4% pass · 29.7k 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 SH50-H.

Pass rate by registration year

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

Best year to buy used: 1988 (71.6% pass). Weakest: 1988 (71.6%).

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.