BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ SWM/RS 125 R
Model report · 2005–2025

SWM RS 125 R

125cc Petrol Class 1
71.8%
first-time pass rate
21.8%
failed outright
2,778
median miles at test
78
MOT tests, 2005–2025

What fails on a RS 125 R

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
lamps and reflectors
28 50
structure and attachments
7 12.5
suspension
7 12.5
Identification of the vehicle
6 10.7
tyres
4 7.1
brakes
3 5.4
wheels
1 1.8

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 RS 125 R beats 2 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 R.