BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ AJS/DD 250 E
Model report · 2005–2025

AJS DD 250 E

234cc Petrol Class 2
#4230 of 5426 overall #16 of 45 AJSs #2628 of 2787 other bikes
75.6%
first-time pass rate
14.9%
failed outright
5,916
median miles at test
201
MOT tests, 2005–2025

What fails on a DD 250 E

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
lighting and signalling
25 32.1
brakes
15 19.2
tyres and wheels
12 15.4
lamps and reflectors
5 6.4
drive system
5 6.4
steering and suspension
5 6.4
fuel and exhaust
4 5.1
suspension
4 5.1
structure and attachments
2 2.6
Items Not Tested
1 1.3

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 DD 250 E beats 0 of its 4 closest rivals (YAMAHA YP250, YAMAHA WR250F, HONDA XR250).

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 DD 250 E.

Pass rate by registration year

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

Best year to buy used: 2007 (81.3% pass). Weakest: 2006 (68.5%).

66%75%84%2006: 68.5% pass (73 tests)2007: 81.3% pass (75 tests)20062007

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.