SUZUKI GS 125 ESX

124cc Petrol Class 1

#4469 of 5426 overall #611 of 680 SUZUKIs #280 of 734 commuter bikes

73.3%

first-time pass rate

15.9%

failed outright

13,078

median miles at test

434

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2006–2012

The GS 125 ESX's first-time pass rate has fallen 9.4 points since 2006, 82.7% to 73.3%.

Pass rate by mileage

how the GS 125 ESX's first-time pass rate falls with the odometer · class average 73.4%

A low-mileage GS 125 ESX passes first time 78.0% of the time; by 20k that's 70.5%.

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 GS 125 ESX

failure defects by component group · advisories excluded

Component group	Defects	% of defects
lighting and signalling	56	27.5
brakes	34	16.7
steering and suspension	32	15.7
drive system	31	15.2
tyres and wheels	24	11.8
structure and attachments	11	5.4
body and structure	6	2.9
lamps and reflectors	6	2.9
steering	2	1
reg plates and vin	2	1

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 GS 125 ESX beats 3 of its 4 closest rivals (YAMAHA YBR 125, HONDA CG125, HONDA CBF125).

YAMAHA YBR 125 71.0% pass · 125k tests HONDA CG125 72.2% pass · 89.3k tests HONDA CBF125 73.3% pass · 84.4k tests GILERA RUNNER 70.8% pass · 69.9k 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 GS 125 ESX.

Pass rate by registration year

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

Best year to buy used: 1999 (79.3% pass). Weakest: 2001 (60.7%).

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.