BIKERELIABILITY Reg check
League table/ AJS/ modena/By year
Registration-year report · 2005–2025

Data as of: DVSA MOT results to 2025

Ajs Modena: MOT pass rate by registration year

Which Modena years pass first time, and which fall short of the model's 74.9% average, from 5,766 DVSA tests.

2018
highest-passing year · 79.8%
2014
lowest-passing year · 72.6%
7.2pp
spread across 5 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: 2018 (79.8% of 173 tests). Lowest: 2014 (72.6% of 1,093). Years more than two points below the model average: 2014.

71%76%81%2014: 72.6% pass (1,093 tests)2015: 74.6% pass (1,826 tests)2016: 75.1% pass (2,047 tests)2017: 77.5% pass (619 tests)2018: 79.8% pass (173 tests)201420162018
RegisteredTestsFirst-time passvs model (74.9%)
2014 1,093 72.6% -2.3 pp
2015 1,826 74.6% -0.3 pp
2016 2,047 75.1% +0.2 pp
2017 619 77.5% +2.6 pp
2018 173 79.8% +4.9 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 · 2017–2025
66%73%80%2017: 68.6% pass (172 tests)2018: 71.6% pass (454 tests)2019: 70.7% pass (726 tests)2020: 76.1% pass (836 tests)2021: 77.8% pass (922 tests)2022: 77.7% pass (811 tests)2023: 74.6% pass (747 tests)2024: 72.7% pass (557 tests)2025: 77.0% pass (540 tests)20172025

Questions

Which Modena years have the lowest MOT pass rate?
2014 registered examples pass first time less often than the Ajs Modena overall (74.9%); the 2014 cohort is lowest at 72.6% from 1,093 tests.
Which Modena year has the highest MOT pass rate?
2018, at 79.8% of 173 first tests (2005–2025). Years more than two points above the model average: 2017, 2018.
How much does the Modena pass rate vary by year?
7.2 percentage points between the highest (2018, 79.8%) and lowest (2014, 72.6%) 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: Ajs Modena reliability, failures and mileage · ranked #4314 of 5428 models· other Ajs models: Modena 125, DD, Firefox, DD 125 E 08, 16MS, Cadwell