BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ BETA/RR 4T 400
Model report · 2005–2025

BETA RR 4T 400

400cc Petrol Class 2
75.0%
first-time pass rate
9.4%
failed outright
2,947
median miles at test
128
MOT tests, 2005–2025

What fails on a RR 4T 400

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
steering and suspension
8 33.3
suspension
4 16.7
lighting and signalling
4 16.7
reg plates and vin
3 12.5
lamps and reflectors
3 12.5
brakes
1 4.2
tyres and wheels
1 4.2

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 RR 4T 400 beats 0 of its 4 closest rivals (KAWASAKI ER5, SUZUKI GS500, SUZUKI AN400).

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 RR 4T 400.