BIKERELIABILITY Reg check
Registration-year report · 2005–2025

Data as of: DVSA MOT results to 2025

Ajs DD 125 E 08: MOT pass rate by registration year

Which DD 125 E 08 years pass first time, and which fall short of the model's 67.3% average, from 1,468 DVSA tests.

2013
highest-passing year · 71.6%
2011
lowest-passing year · 62.9%
8.7pp
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: 2013 (71.6% of 134 tests). Lowest: 2011 (62.9% of 318). Years more than two points below the model average: 2011.

61%67%73%2008: 68.7% pass (150 tests)2009: 68.4% pass (253 tests)2010: 68.1% pass (339 tests)2011: 62.9% pass (318 tests)2012: 67.2% pass (265 tests)2013: 71.6% pass (134 tests)200820112013
RegisteredTestsFirst-time passvs model (67.3%)
2008 150 68.7% +1.4 pp
2009 253 68.4% +1.1 pp
2010 339 68.1% +0.8 pp
2011 318 62.9% -4.4 pp
2012 265 67.2% -0.1 pp
2013 134 71.6% +4.3 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 · 2011–2025
48%70%91%2011: 63.3% pass (30 tests)2012: 67.2% pass (67 tests)2013: 70.7% pass (123 tests)2014: 66.3% pass (172 tests)2015: 71.1% pass (201 tests)2016: 69.1% pass (220 tests)2017: 64.1% pass (145 tests)2018: 62.0% pass (92 tests)2019: 63.6% pass (77 tests)2020: 71.4% pass (70 tests)2021: 67.1% pass (79 tests)2022: 55.4% pass (74 tests)2023: 63.5% pass (52 tests)2024: 74.3% pass (35 tests)2025: 83.9% pass (31 tests)20112025

Questions

Which DD 125 E 08 years have the lowest MOT pass rate?
2011 registered examples pass first time less often than the Ajs DD 125 E 08 overall (67.3%); the 2011 cohort is lowest at 62.9% from 318 tests.
Which DD 125 E 08 year has the highest MOT pass rate?
2013, at 71.6% of 134 first tests (2005–2025).
How much does the DD 125 E 08 pass rate vary by year?
8.7 percentage points between the highest (2013, 71.6%) and lowest (2011, 62.9%) 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 08 reliability, failures and mileage · ranked #4895 of 5428 models· other Ajs models: Modena, Modena 125, DD, Firefox, 16MS, Cadwell