YAMASAKI YM 50-10

49cc Petrol Class 1

#5319 of 5426 overall #1 of 1 YAMASAKIs #409 of 455 moped bikes

56.2%

first-time pass rate

34.9%

failed outright

3,376

median miles at test

249

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2023–2025

The YM 50-10's first-time pass rate has fallen 3.1 points since 2023, 60.0% to 56.9%.

What fails on a YM 50-10

failure defects by component group · advisories excluded

Component group	Defects	% of defects
lamps and reflectors	110	38.5
suspension	56	19.6
structure and attachments	51	17.8
brakes	32	11.2
steering	27	9.4
audible warning (Horn)	5	1.7
wheels	2	0.7
Identification of the vehicle	2	0.7
tyres	1	0.3

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 YM 50-10 beats 0 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 YM 50-10.

Pass rate by registration year

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

Best year to buy used: 2020 (60.7% pass). Weakest: 2022 (56.3%).

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.