BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
Model report · 2005–2025

SUPERBYKE RMX 125

124cc Petrol Class 1
#5417 of 5426 overall #7 of 7 SUPERBYKEs #727 of 734 commuter bikes
46.3%
first-time pass rate
41.3%
failed outright
6,535
median miles at test
218
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2011–2012

The RMX 125's first-time pass rate has fallen 10.0 points since 2011, 38.9% to 28.9%.

26%34%41%2011: 38.9% pass (36 tests)2012: 28.9% pass (38 tests)20112012

What fails on a RMX 125

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
lighting and signalling
167 39
steering and suspension
85 19.9
brakes
56 13.1
drive system
41 9.6
tyres and wheels
36 8.4
fuel and exhaust
11 2.6
body and structure
10 2.3
structure and attachments
9 2.1
lamps and reflectors
9 2.1
driving controls
4 0.9

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 RMX 125 beats 0 of its 4 closest rivals (YAMAHA YBR 125, HONDA CG125, HONDA CBF125).

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 RMX 125.

Pass rate by registration year

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

Best year to buy used: 2007 (47.7% pass). Weakest: 2008 (45.1%).

44%46%49%2007: 47.7% pass (88 tests)2008: 45.1% pass (71 tests)20072008

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.