BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ SUZUKI/AN 400 AL9
Model report · 2005–2025

SUZUKI AN 400 AL9

400cc Petrol Class 2
93.4%
first-time pass rate
4.6%
failed outright
5,904
median miles at test
259
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2022–2025

The AN 400 AL9's first-time pass rate has fallen 1.8 points since 2022, 92.7% to 90.9%.

90%94%98%2022: 92.7% pass (55 tests)2023: 93.8% pass (81 tests)2024: 96.5% pass (57 tests)2025: 90.9% pass (66 tests)20222025

What fails on a AN 400 AL9

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
brakes
12 54.5
tyres
6 27.3
steering
2 9.1
structure and attachments
1 4.5
suspension
1 4.5

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 AN 400 AL9 beats 4 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 AN 400 AL9.

Pass rate by registration year

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

Best year to buy used: 2019 (93.4% pass). Weakest: 2019 (93.4%).

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.