SANBEN WY 125 T-23

125cc Petrol Class 1

#5293 of 5426 overall #1 of 1 SANBENs #667 of 734 commuter bikes

57.3%

first-time pass rate

36.1%

failed outright

7,532

median miles at test

368

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2011–2015

The WY 125 T-23's first-time pass rate has risen 15.8 points since 2011, 45.7% to 61.5%.

What fails on a WY 125 T-23

failure defects by component group · advisories excluded

Component group	Defects	% of defects
steering and suspension	151	33.4
brakes	123	27.2
lighting and signalling	95	21
tyres and wheels	40	8.8
fuel and exhaust	12	2.7
lamps and reflectors	11	2.4
tyres	6	1.3
body and structure	6	1.3
suspension	4	0.9
steering	4	0.9

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 WY 125 T-23 beats 0 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 WY 125 T-23.

Pass rate by registration year

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

Best year to buy used: 2009 (61.7% pass). Weakest: 2006 (50.6%).

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.