YAMAHA YN 50 NEO'S

49cc Petrol Class 1

#4972 of 5426 overall #389 of 409 YAMAHAs #308 of 455 moped bikes

65.9%

first-time pass rate

23.9%

failed outright

6,645

median miles at test

2,088

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2005–2017

The YN 50 NEO'S's first-time pass rate has held steady since 2005 (69.1% → 69.0%).

What fails on a YN 50 NEO'S

failure defects by component group · advisories excluded

Component group	Defects	% of defects	vs all bikes
lighting and signalling	519	38	3.6×
brakes	273	20	2.5×
steering and suspension	236	17.3	2.8×
tyres and wheels	114	8.4	2.3×
fuel and exhaust	93	6.8	5.4×
body and structure	64	4.7	4.8×
reg plates and vin	26	1.9	1.8×
lamps and reflectors	24	1.8	0.4×
tyres	9	0.7	0.5×
structure and attachments	7	0.5	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 YN 50 NEO'S beats 2 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 YN 50 NEO'S.

Pass rate by registration year

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

Best year to buy used: 2006 (72.6% pass). Weakest: 1999 (59.0%).

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.

YAMAHA YN 50 NEO'S FAQ

answers computed from the data above · terms in the glossary

Is the YAMAHA YN 50 NEO'S reliable?

The YAMAHA YN 50 NEO'S is less reliable than average for its class: 65.9% of its 2,088 MOT tests (2005–2025) passed first time, against a class average of 73.4%. That ranks it #4972 of 5426 models.

What does a YN 50 NEO'S fail its MOT on most?

lighting and signalling — 38% of all defects recorded against failed YN 50 NEO'S tests.

What is the best year of YN 50 NEO'S to buy used?

By first-time pass rate, 2006-registered examples do best (72.6%) and 1999 worst (59.0%). Condition and history still trump the year.