BIKERELIABILITY Reg check
Registration-year report · 2005–2025

Data as of: DVSA MOT results to 2025

Ajs DD 125 E: MOT pass rate by registration year

Which DD 125 E years pass first time, and which fall short of the model's 62.2% average, from 1,189 DVSA tests.

2010
highest-passing year · 70.2%
2008
lowest-passing year · 58.2%
12.0pp
spread across 4 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: 2010 (70.2% of 57 tests). Lowest: 2008 (58.2% of 158). Years more than two points below the model average: 2008.

56%64%73%2006: 62.6% pass (538 tests)2007: 60.6% pass (317 tests)2008: 58.2% pass (158 tests)2010: 70.2% pass (57 tests)200620082010
RegisteredTestsFirst-time passvs model (62.2%)
2006 538 62.6% +0.4 pp
2007 317 60.6% -1.6 pp
2008 158 58.2% -4.0 pp
2010 57 70.2% +8.0 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 · 2009–2022
48%59%71%2009: 62.3% pass (77 tests)2010: 67.0% pass (109 tests)2011: 61.1% pass (144 tests)2012: 64.0% pass (139 tests)2013: 63.7% pass (113 tests)2014: 59.8% pass (117 tests)2015: 62.5% pass (120 tests)2016: 62.9% pass (70 tests)2017: 56.1% pass (66 tests)2018: 59.0% pass (39 tests)2019: 57.5% pass (40 tests)2021: 58.1% pass (43 tests)2022: 51.4% pass (37 tests)20092022

Questions

Which DD 125 E years have the lowest MOT pass rate?
2008 registered examples pass first time less often than the Ajs DD 125 E overall (62.2%); the 2008 cohort is lowest at 58.2% from 158 tests.
Which DD 125 E year has the highest MOT pass rate?
2010, at 70.2% of 57 first tests (2005–2025).
How much does the DD 125 E pass rate vary by year?
12.0 percentage points between the highest (2010, 70.2%) and lowest (2008, 58.2%) 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: Ajs DD 125 E reliability, failures and mileage · ranked #5138 of 5428 models· other Ajs models: Modena, Modena 125, DD, Firefox, DD 125 E 08, 16MS