SYM SYMPHONY ST 125 E4

125cc Petrol Class 1

81.1%

first-time pass rate

9.4%

failed outright

7,974

median miles at test

180

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2022–2024

The SYMPHONY ST 125 E4's first-time pass rate has risen 5.2 points since 2022, 76.1% to 81.3%.

What fails on a SYMPHONY ST 125 E4

failure defects by component group · advisories excluded

Component group	Defects	% of defects
brakes	14	42.4
lamps and reflectors	10	30.3
tyres	8	24.2
wheels	1	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 SYMPHONY ST 125 E4 beats 2 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 SYMPHONY ST 125 E4.

Pass rate by registration year

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

Best year to buy used: 2018 (81.5% pass). Weakest: 2018 (81.5%).

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.