BIKERELIABILITY Reg check
Registration-year report · 2005–2025

Data as of: DVSA MOT results to 2025

Ajs DD 125 E-5: MOT pass rate by registration year

Which DD 125 E-5 years pass first time, and which fall short of the model's 68.9% average, from 957 DVSA tests.

2011
highest-passing year · 75.9%
2012
lowest-passing year · 62.1%
13.8pp
spread across 6 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: 2011 (75.9% of 116 tests). Lowest: 2012 (62.1% of 95). Years more than two points below the model average: 2012.

59%69%79%2007: 70.3% pass (185 tests)2008: 68.0% pass (194 tests)2009: 68.0% pass (175 tests)2010: 71.2% pass (139 tests)2011: 75.9% pass (116 tests)2012: 62.1% pass (95 tests)200720102012
RegisteredTestsFirst-time passvs model (68.9%)
2007 185 70.3% +1.4 pp
2008 194 68.0% -0.9 pp
2009 175 68.0% -0.9 pp
2010 139 71.2% +2.3 pp
2011 116 75.9% +7.0 pp
2012 95 62.1% -6.8 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 · 2011–2022
55%68%81%2011: 76.4% pass (55 tests)2012: 64.4% pass (73 tests)2013: 68.0% pass (100 tests)2014: 74.3% pass (101 tests)2015: 69.0% pass (116 tests)2016: 69.8% pass (116 tests)2017: 70.0% pass (90 tests)2018: 63.3% pass (49 tests)2019: 59.0% pass (39 tests)2020: 65.6% pass (32 tests)2021: 64.9% pass (37 tests)2022: 75.0% pass (32 tests)20112022

Questions

Which DD 125 E-5 years have the lowest MOT pass rate?
2012 registered examples pass first time less often than the Ajs DD 125 E-5 overall (68.9%); the 2012 cohort is lowest at 62.1% from 95 tests.
Which DD 125 E-5 year has the highest MOT pass rate?
2011, at 75.9% of 116 first tests (2005–2025). Years more than two points above the model average: 2010, 2011.
How much does the DD 125 E-5 pass rate vary by year?
13.8 percentage points between the highest (2011, 75.9%) and lowest (2012, 62.1%) 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-5 reliability, failures and mileage · ranked #4803 of 5428 models· other Ajs models: Modena, Modena 125, DD, Firefox, DD 125 E 08, 16MS