YAMAHA YN 50 F NEOS

49cc Petrol Class 1

#4065 of 5426 overall #292 of 409 YAMAHAs #106 of 455 moped bikes

77.0%

first-time pass rate

11.6%

failed outright

7,334

median miles at test

1,988

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2012–2025

The YN 50 F NEOS's first-time pass rate has risen 5.0 points since 2012, 71.7% to 76.7%.

Pass rate by mileage

how the YN 50 F NEOS's first-time pass rate falls with the odometer · class average 73.4%

A low-mileage YN 50 F NEOS passes first time 80.2% of the time; by 20k that's 69.9%.

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 YN 50 F NEOS

failure defects by component group · advisories excluded

Component group	Defects	% of defects	vs all bikes
lamps and reflectors	111	24	2.6×
brakes	91	19.7	0.9×
lighting and signalling	62	13.4	0.6×
tyres and wheels	55	11.9	1.1×
tyres	38	8.2	2.3×
suspension	30	6.5	1.6×
steering	29	6.3	3.0×
steering and suspension	26	5.6	0.4×
structure and attachments	13	2.8	0.9×
audible warning (Horn)	7	1.5	1.9×

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 F NEOS 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 YN 50 F NEOS.

Pass rate by registration year

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

Best year to buy used: 2012 (82.5% pass). Weakest: 2010 (74.3%).

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.

YAMAHA YN 50 F NEOS FAQ

answers computed from the data above · terms in the glossary

Is the YAMAHA YN 50 F NEOS reliable?

The YAMAHA YN 50 F NEOS is more reliable than average for its class: 77.0% of its 1,988 MOT tests (2005–2025) passed first time, against a class average of 73.4%. That ranks it #4065 of 5426 models.

What does a YN 50 F NEOS fail its MOT on most?

lamps and reflectors — 24% of all defects recorded against failed YN 50 F NEOS tests.

What is the best year of YN 50 F NEOS to buy used?

By first-time pass rate, 2012-registered examples do best (82.5%) and 2010 worst (74.3%). Condition and history still trump the year.

How many miles will a YN 50 F NEOS last?

The median YN 50 F NEOS shows 7,334 miles at test, and examples around 20k miles still pass 69.9% of the time — mileage alone rarely kills one.