BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ SUZUKI/AN 400 ZA K9
Model report · 2005–2025

SUZUKI AN 400 ZA K9

400cc Petrol Class 2
85.0%
first-time pass rate
9.6%
failed outright
17,735
median miles at test
187
MOT tests, 2005–2025

Pass rate by mileage

how the AN 400 ZA K9's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage AN 400 ZA K9 passes first time 94.4% of the time; by 20k that's 87.2%.

81%89%97%0k: 94.4% pass (36 tests)10k: 83.1% pass (83 tests)20k: 87.2% pass (47 tests)0k10k20k

First-time pass rate by odometer reading at test, 10,000-mile bands for this model. Mileage is the strongest reliability signal. See the full curve.

What fails on a AN 400 ZA K9

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
brakes
21 43.8
lamps and reflectors
7 14.6
tyres
4 8.3
suspension
3 6.2
lighting and signalling
3 6.2
steering
3 6.2
structure and attachments
3 6.2
tyres and wheels
2 4.2
fuel and exhaust
1 2.1
audible warning (Horn)
1 2.1

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 ZA K9 beats 3 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 ZA K9.

Pass rate by registration year

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

Best year to buy used: 2010 (85.7% pass). Weakest: 2009 (84.7%).

84%85%87%2009: 84.7% pass (124 tests)2010: 85.7% pass (63 tests)20092010

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.