SUPERBYKE RMR 125

125cc Petrol Class 1

#5358 of 5426 overall #4 of 7 SUPERBYKEs #703 of 734 commuter bikes

53.0%

first-time pass rate

36.2%

failed outright

10,218

median miles at test

1,632

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2011–2022

The RMR 125's first-time pass rate has fallen 3.8 points since 2011, 56.9% to 53.1%.

Pass rate by mileage

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

A low-mileage RMR 125 passes first time 55.8% of the time; by 30k that's 39.5%.

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 RMR 125

failure defects by component group · advisories excluded

Component group	Defects	% of defects	vs all bikes
lighting and signalling	655	28.3	5.2×
steering and suspension	478	20.6	5.6×
brakes	459	19.8	4.0×
drive system	191	8.2	11.5×
tyres and wheels	149	6.4	3.8×
lamps and reflectors	123	5.3	2.2×
structure and attachments	76	3.3	4.4×
body and structure	72	3.1	6.6×
fuel and exhaust	58	2.5	3.8×
suspension	55	2.4	3.2×

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 RMR 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 RMR 125.

Pass rate by registration year

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

Best year to buy used: 2007 (61.7% pass). Weakest: 2010 (49.2%).

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.

SUPERBYKE RMR 125 FAQ

answers computed from the data above · terms in the glossary

Is the SUPERBYKE RMR 125 reliable?

The SUPERBYKE RMR 125 is less reliable than average for its class: 53.0% of its 1,632 MOT tests (2005–2025) passed first time, against a class average of 73.4%. That ranks it #5358 of 5426 models.

What does a RMR 125 fail its MOT on most?

lighting and signalling — 28% of all defects recorded against failed RMR 125 tests.

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

By first-time pass rate, 2007-registered examples do best (61.7%) and 2010 worst (49.2%). Condition and history still trump the year.

How many miles will a RMR 125 last?

The median RMR 125 shows 10,218 miles at test, and examples around 30k miles still pass 39.5% of the time — mileage alone rarely kills one.