KAWASAKI BX 125 ALFA

125cc Petrol Class 1

68.1%

first-time pass rate

20.7%

failed outright

6,931

median miles at test

135

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2023–2025

The BX 125 ALFA's first-time pass rate has fallen 5.4 points since 2023, 69.8% to 64.4%.

What fails on a BX 125 ALFA

failure defects by component group · advisories excluded

Component group	Defects	% of defects
brakes	15	25.9
lamps and reflectors	12	20.7
suspension	11	19
structure and attachments	8	13.8
steering	6	10.3
tyres	4	6.9
wheels	1	1.7
Identification of the vehicle	1	1.7

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 BX 125 ALFA 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 BX 125 ALFA.

Pass rate by registration year

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

Best year to buy used: 2020 (66.1% pass). Weakest: 2020 (66.1%).

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.