BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ BSA/A50 ROYAL STAR
Model report · 2005–2025

BSA A50 ROYAL STAR

500cc Petrol Class 2
87.0%
first-time pass rate
7.2%
failed outright
21,067
median miles at test
69
MOT tests, 2005–2025

What fails on a A50 ROYAL STAR

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
brakes
4 30.8
steering and suspension
3 23.1
lighting and signalling
2 15.4
body and structure
1 7.7
drive system
1 7.7
tyres and wheels
1 7.7
Performance
1 7.7

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 A50 ROYAL STAR beats 4 of its 4 closest rivals (KAWASAKI ZX-6R, SUZUKI GSF600, YAMAHA FZS600).

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 A50 ROYAL STAR.