YAMAHA NEOS 4

49cc Petrol Class 1

#2689 of 5426 overall #148 of 409 YAMAHAs #42 of 455 moped bikes

84.2%

first-time pass rate

6.5%

failed outright

5,108

median miles at test

247

MOT tests, 2005–2025

Pass rate over time

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

The NEOS 4's first-time pass rate has fallen 1.1 points since 2022, 83.7% to 82.6%.

What fails on a NEOS 4

failure defects by component group · advisories excluded

Component group	Defects	% of defects
lamps and reflectors	26	65
tyres	5	12.5
brakes	4	10
suspension	3	7.5
steering	2	5

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 NEOS 4 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 NEOS 4.

Pass rate by registration year

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

Best year to buy used: 2019 (87.7% pass). Weakest: 2018 (79.6%).

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.