BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ APRILIA/RS 125 11KW
Model report · 2005–2025

APRILIA RS 125 11KW

125cc Petrol Class 1
58.1%
first-time pass rate
31.2%
failed outright
13,932
median miles at test
731
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2008–2017

The RS 125 11KW's first-time pass rate has fallen 11.1 points since 2008, 61.1% to 50.0%.

41%60%78%2008: 61.1% pass (54 tests)2009: 71.6% pass (95 tests)2010: 61.8% pass (102 tests)2011: 47.5% pass (99 tests)2012: 49.4% pass (81 tests)2013: 68.1% pass (72 tests)2014: 58.9% pass (73 tests)2015: 53.1% pass (64 tests)2016: 54.4% pass (57 tests)2017: 50.0% pass (34 tests)20082017

Pass rate by mileage

how the RS 125 11KW's first-time pass rate falls with the odometer · class average 73.4%

A low-mileage RS 125 11KW passes first time 63.8% of the time; by 30k that's 46.9%.

44%55%67%0k: 63.8% pass (218 tests)10k: 58.7% pass (315 tests)20k: 51.7% pass (151 tests)30k: 46.9% pass (32 tests)0k20k30k

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 RS 125 11KW

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects vs all bikes
lighting and signalling
219 29.4 4.3×
steering and suspension
176 23.6 5.4×
brakes
137 18.4 3.0×
drive system
78 10.5 10.6×
body and structure
49 6.6 10.0×
tyres and wheels
47 6.3 2.7×
fuel and exhaust
19 2.5 3.2×
reg plates and vin
11 1.5 2.1×
driving controls
7 0.9 3.5×
Items Not Tested
3 0.4 3.0×

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 RS 125 11KW 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 RS 125 11KW.

Pass rate by registration year

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

Best year to buy used: 2006 (62.1% pass). Weakest: 2005 (56.0%).

55%59%63%2005: 56.0% pass (475 tests)2006: 62.1% pass (211 tests)20052006

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 RS 125 11KW FAQ

answers computed from the data above · terms in the glossary

Is the APRILIA RS 125 11KW reliable?

The APRILIA RS 125 11KW is less reliable than average for its class: 58.1% of its 731 MOT tests (2005–2025) passed first time, against a class average of 73.4%. That ranks it #5271 of 5426 models.

What does a RS 125 11KW fail its MOT on most?

lighting and signalling — 29% of all defects recorded against failed RS 125 11KW tests.

How many miles will a RS 125 11KW last?

The median RS 125 11KW shows 13,932 miles at test, and examples around 30k miles still pass 46.9% of the time — mileage alone rarely kills one.