BRIXTON BX 125 R

125cc Petrol Class 1

66.2%

first-time pass rate

22.3%

failed outright

3,487

median miles at test

148

MOT tests, 2005–2025

Pass rate over time

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

The BX 125 R's first-time pass rate has fallen 16.1 points since 2023, 72.5% to 56.4%.

What fails on a BX 125 R

failure defects by component group · advisories excluded

Component group	Defects	% of defects
lamps and reflectors	30	39.5
suspension	11	14.5
structure and attachments	10	13.2
steering	8	10.5
brakes	7	9.2
wheels	3	3.9
audible warning (Horn)	3	3.9
tyres	3	3.9
Identification of the vehicle	1	1.3

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 R 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 R.

Pass rate by registration year

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

Best year to buy used: 2020 (66.0% pass). Weakest: 2020 (66.0%).

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.