WHITE KNUCKLE 125 SPORT

124cc Petrol Class 1

#5391 of 5426 overall #2 of 4 WHITE KNUCKLEs #716 of 734 commuter bikes

50.4%

first-time pass rate

37.0%

failed outright

7,099

median miles at test

486

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2015–2018

The 125 SPORT's first-time pass rate has held steady since 2015 (54.1% → 53.3%).

What fails on a 125 SPORT

failure defects by component group · advisories excluded

Component group	Defects	% of defects
steering and suspension	179	26.8
lighting and signalling	168	25.1
brakes	104	15.6
drive system	48	7.2
body and structure	45	6.7
tyres and wheels	35	5.2
structure and attachments	26	3.9
lamps and reflectors	26	3.9
suspension	19	2.8
steering	18	2.7

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 125 SPORT 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 125 SPORT.

Pass rate by registration year

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

Best year to buy used: 2011 (55.7% pass). Weakest: 2013 (45.7%).

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.