APRILIA MX 125

125cc Petrol Class 1

#5340 of 5426 overall #123 of 128 APRILIAs #694 of 734 commuter bikes

54.8%

first-time pass rate

33.5%

failed outright

1,179

median miles at test

1,829

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2007–2025

The MX 125's first-time pass rate has risen 11.3 points since 2007, 58.1% to 69.4%.

What fails on a MX 125

failure defects by component group · advisories excluded

Component group	Defects	% of defects	vs all bikes
lighting and signalling	993	41.2	5.7×
steering and suspension	367	15.2	4.4×
brakes	315	13.1	2.8×
drive system	198	8.2	10.1×
tyres and wheels	126	5.2	2.9×
lamps and reflectors	124	5.1	1.8×
reg plates and vin	94	3.9	7.2×
body and structure	78	3.2	6.5×
fuel and exhaust	73	3	4.2×
suspension	41	1.7	2.4×

Defects recorded against failed normal tests, 2005–2025, grouped by DVSA inspection section. One test can record multiple defects. "vs all bikes" is how often this model's tests record a defect in the group, as a multiple of the all-bike rate.

How rivals compare

same type, similar capacity, high test volume

On first-time pass rate the MX 125 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 MX 125.

Pass rate by registration year

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

Best year to buy used: 2007 (55.8% pass). Weakest: 2005 (53.2%).

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.

APRILIA MX 125 FAQ

answers computed from the data above · terms in the glossary

Is the APRILIA MX 125 reliable?

The APRILIA MX 125 is less reliable than average for its class: 54.8% of its 1,829 MOT tests (2005–2025) passed first time, against a class average of 73.4%. That ranks it #5340 of 5426 models.

What does a MX 125 fail its MOT on most?

lighting and signalling — 41% of all defects recorded against failed MX 125 tests.

What is the best year of MX 125 to buy used?

By first-time pass rate, 2007-registered examples do best (55.8%) and 2005 worst (53.2%). Condition and history still trump the year.