ROYAL ALLOY GP 125 AC E5

125cc Petrol Class 1

90.9%

first-time pass rate

7.9%

failed outright

2,493

median miles at test

165

MOT tests, 2005–2025

What fails on a GP 125 AC E5

failure defects by component group · advisories excluded

Component group	Defects	% of defects
brakes	9	34.6
lamps and reflectors	6	23.1
tyres	6	23.1
structure and attachments	2	7.7
suspension	2	7.7
Identification of the vehicle	1	3.8

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 GP 125 AC E5 beats 4 of its 4 closest rivals (PIAGGIO VESPA, HONDA PCX 125, HONDA Vision 110).

PIAGGIO VESPA 80.7% pass · 287k tests HONDA PCX 125 81.1% pass · 88.6k tests HONDA Vision 110 78.2% pass · 50.6k tests YAMAHA NMAX 125 82.2% pass · 33.8k 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 GP 125 AC E5.

Pass rate by registration year

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

Best year to buy used: 2022 (90.6% pass). Weakest: 2022 (90.6%).

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.