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

SUPERBYKE RBP 125

124cc Petrol Class 1
#5408 of 5426 overall #6 of 7 SUPERBYKEs #724 of 734 commuter bikes
47.6%
first-time pass rate
42.2%
failed outright
5,484
median miles at test
462
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2010–2015

The RBP 125's first-time pass rate has fallen 9.8 points since 2010, 49.2% to 39.4%.

35%46%56%2010: 49.2% pass (59 tests)2011: 38.9% pass (90 tests)2012: 41.0% pass (78 tests)2013: 50.7% pass (67 tests)2014: 52.9% pass (51 tests)2015: 39.4% pass (33 tests)20102015

What fails on a RBP 125

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
lighting and signalling
295 35.5
steering and suspension
169 20.3
brakes
115 13.8
tyres and wheels
83 10
drive system
66 7.9
body and structure
55 6.6
fuel and exhaust
22 2.6
driving controls
10 1.2
lamps and reflectors
8 1
structure and attachments
8 1

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 RBP 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 RBP 125.

Pass rate by registration year

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

Best year to buy used: 2008 (47.4% pass). Weakest: 2006 (37.1%).

35%42%49%2006: 37.1% pass (62 tests)2007: 46.2% pass (290 tests)2008: 47.4% pass (78 tests)200620072008

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.