MOTO ROMA MRX 125

124cc Petrol Class 1

#5355 of 5426 overall #10 of 10 MOTO ROMAs #702 of 734 commuter bikes

53.2%

first-time pass rate

36.2%

failed outright

7,965

median miles at test

600

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2006–2012

The MRX 125's first-time pass rate has fallen 6.4 points since 2006, 57.8% to 51.4%.

Pass rate by mileage

how the MRX 125's first-time pass rate falls with the odometer · class average 73.4%

A low-mileage MRX 125 passes first time 56.2% of the time; by 20k that's 46.2%.

First-time pass rate by odometer reading at test, 10,000-mile bands for this model. Mileage is the strongest reliability signal. See the full curve.

What fails on a MRX 125

failure defects by component group · advisories excluded

Component group	Defects	% of defects	vs all bikes
lighting and signalling	249	29.6	5.6×
steering and suspension	198	23.5	6.7×
brakes	127	15.1	3.5×
drive system	98	11.7	15.5×
tyres and wheels	56	6.7	3.5×
fuel and exhaust	32	3.8	6.6×
body and structure	32	3.8	9.0×
suspension	20	2.4	2.7×
lamps and reflectors	16	1.9	1.1×
reg plates and vin	13	1.5	3.5×

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 MRX 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 MRX 125.

Pass rate by registration year

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

Best year to buy used: 2003 (61.3% pass). Weakest: 2006 (41.5%).

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.

MOTO ROMA MRX 125 FAQ

answers computed from the data above · terms in the glossary

Is the MOTO ROMA MRX 125 reliable?

The MOTO ROMA MRX 125 is less reliable than average for its class: 53.2% of its 600 MOT tests (2005–2025) passed first time, against a class average of 73.4%. That ranks it #5355 of 5426 models.

What does a MRX 125 fail its MOT on most?

lighting and signalling — 30% of all defects recorded against failed MRX 125 tests.

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

By first-time pass rate, 2003-registered examples do best (61.3%) and 2006 worst (41.5%). Condition and history still trump the year.

How many miles will a MRX 125 last?

The median MRX 125 shows 7,965 miles at test, and examples around 20k miles still pass 46.2% of the time — mileage alone rarely kills one.