KAWASAKI KMX 125-B10

124cc Petrol Class 1

55.7%

first-time pass rate

32.8%

failed outright

8,981

median miles at test

183

MOT tests, 2005–2025

What fails on a KMX 125-B10

failure defects by component group · advisories excluded

Component group	Defects	% of defects
lighting and signalling	99	40.1
steering and suspension	51	20.6
brakes	43	17.4
tyres and wheels	21	8.5
drive system	14	5.7
fuel and exhaust	7	2.8
body and structure	5	2
structure and attachments	3	1.2
reg plates and vin	2	0.8
tyres	2	0.8

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 KMX 125-B10 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 KMX 125-B10.

Pass rate by registration year

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

Best year to buy used: 2000 (54.5% pass). Weakest: 1999 (52.7%).

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.