BIKERELIABILITY Reg check
Registration-year report · 2005–2025

Data as of: DVSA MOT results to 2025

Suzuki An 400 AL8: MOT pass rate by registration year

Which An 400 AL8 years pass first time, and which fall short of the model's 94.3% average, from 1,002 DVSA tests.

2019
highest-passing year · 97.0%
2017
lowest-passing year · 93.2%
3.8pp
spread across 3 years

Pass rate by registration year

first-time pass rate · cohorts with 50 or more tests · registration year from first use date

Highest pass rate: 2019 (97.0% of 134 tests). Lowest: 2017 (93.2% of 278).

92%95%98%2017: 93.2% pass (278 tests)2018: 94.4% pass (570 tests)2019: 97.0% pass (134 tests)201720182019
RegisteredTestsFirst-time passvs model (94.3%)
2017 278 93.2% -1.1 pp
2018 570 94.4% +0.1 pp
2019 134 97.0% +2.7 pp

Older cohorts are survivors: the worst examples have already left the road, which tends to lift the earliest years. A first-time MOT pass is a roadworthiness check, not a full mechanical inspection.

Pass rate over time

first-time pass rate by test year · 2020–2025
86%93%100%2020: 88.1% pass (42 tests)2021: 92.6% pass (176 tests)2022: 97.3% pass (220 tests)2023: 96.8% pass (220 tests)2024: 94.5% pass (163 tests)2025: 90.6% pass (181 tests)20202025

Questions

Which An 400 AL8 years have the lowest MOT pass rate?
none: no registration year of the Suzuki An 400 AL8 falls more than two points under the model's 94.3% overall pass rate.
Which An 400 AL8 year has the highest MOT pass rate?
2019, at 97.0% of 134 first tests (2005–2025).
How much does the An 400 AL8 pass rate vary by year?
3.8 percentage points between the highest (2019, 97.0%) and lowest (2017, 93.2%) cohorts with at least 50 tests. Older cohorts are survivors: the worst examples have already left the road, which tends to lift the earliest years.

Full report: Suzuki An 400 AL8 reliability, failures and mileage · ranked #139 of 5428 models· other Suzuki models: GSXR600, GSF600, GSXR750, GSF1200, GSXR1000, SV650S