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

AJS 31DL

650cc Petrol Class 2
94.8%
first-time pass rate
1.7%
failed outright
34,547
median miles at test
58
MOT tests, 2005–2025

What fails on a 31DL

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
lighting and signalling
1 100

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 31DL 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 31DL.