WHITE KNUCKLE 125 TRAIL

124cc Petrol Class 1

52.5%

first-time pass rate

35.5%

failed outright

7,084

median miles at test

183

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2015–2017

The 125 TRAIL's first-time pass rate has fallen 23.8 points since 2015, 57.1% to 33.3%.

What fails on a 125 TRAIL

failure defects by component group · advisories excluded

Component group	Defects	% of defects
lighting and signalling	82	29.3
brakes	50	17.9
steering and suspension	48	17.1
lamps and reflectors	21	7.5
drive system	20	7.1
suspension	19	6.8
fuel and exhaust	12	4.3
tyres and wheels	11	3.9
structure and attachments	10	3.6
body and structure	7	2.5

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 TRAIL 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 TRAIL.

Pass rate by registration year

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

Best year to buy used: 2012 (60.8% pass). Weakest: 2013 (48.4%).

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.