BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ SUZUKI/AN 400 ZA L2
Model report · 2005–2025

SUZUKI AN 400 ZA L2

400cc Petrol Class 2
85.5%
first-time pass rate
11.3%
failed outright
13,722
median miles at test
346
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2016–2022

The AN 400 ZA L2's first-time pass rate has risen 2.5 points since 2016, 87.5% to 90.0%.

75%84%93%2016: 87.5% pass (48 tests)2017: 77.8% pass (45 tests)2018: 82.9% pass (35 tests)2019: 83.9% pass (31 tests)2021: 87.1% pass (31 tests)2022: 90.0% pass (30 tests)20162022

Pass rate by mileage

how the AN 400 ZA L2's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage AN 400 ZA L2 passes first time 93.7% of the time; by 30k that's 78.1%.

75%86%97%0k: 93.7% pass (127 tests)10k: 78.6% pass (103 tests)20k: 83.5% pass (79 tests)30k: 78.1% pass (32 tests)0k20k30k

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 L2

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
brakes
33 50.8
suspension
5 7.7
tyres
5 7.7
tyres and wheels
5 7.7
steering
5 7.7
structure and attachments
4 6.2
lighting and signalling
4 6.2
lamps and reflectors
2 3.1
steering and suspension
1 1.5
fuel and exhaust
1 1.5

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 ZA L2 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 L2.

Pass rate by registration year

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

Best year to buy used: 2013 (87.2% pass). Weakest: 2012 (84.9%).

84%86%88%2012: 84.9% pass (252 tests)2013: 87.2% pass (94 tests)20122013

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.