BIKERELIABILITY Reg check
League table/ LONGJIA/ LJ/By year
Registration-year report · 2005–2025

Data as of: DVSA MOT results to 2025

Longjia LJ: MOT pass rate by registration year

Which LJ years pass first time, and which fall short of the model's 66.6% average, from 2,957 DVSA tests.

2011
highest-passing year · 77.8%
2012
lowest-passing year · 57.7%
20.1pp
spread across 8 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 (77.8% of 63 tests). Lowest: 2012 (57.7% of 78). Years more than two points below the model average: 2012, 2013, 2014, 2016, 2018.

54%68%82%2011: 77.8% pass (63 tests)2012: 57.7% pass (78 tests)2013: 60.2% pass (113 tests)2014: 60.3% pass (146 tests)2015: 64.6% pass (257 tests)2016: 64.2% pass (989 tests)2017: 71.2% pass (1,160 tests)2018: 61.0% pass (118 tests)201120152018
RegisteredTestsFirst-time passvs model (66.6%)
2011 63 77.8% +11.2 pp
2012 78 57.7% -8.9 pp
2013 113 60.2% -6.4 pp
2014 146 60.3% -6.3 pp
2015 257 64.6% -2.0 pp
2016 989 64.2% -2.4 pp
2017 1,160 71.2% +4.6 pp
2018 118 61.0% -5.6 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
52%65%77%2017: 56.3% pass (119 tests)2018: 65.2% pass (135 tests)2019: 65.3% pass (329 tests)2020: 73.0% pass (670 tests)2021: 66.6% pass (578 tests)2022: 62.8% pass (438 tests)2023: 65.7% pass (324 tests)2024: 65.1% pass (195 tests)2025: 65.0% pass (157 tests)20172025

Questions

Which LJ years have the lowest MOT pass rate?
2012, 2013, 2014, 2016, 2018 registered examples pass first time less often than the Longjia LJ overall (66.6%); the 2012 cohort is lowest at 57.7% from 78 tests.
Which LJ year has the highest MOT pass rate?
2011, at 77.8% of 63 first tests (2005–2025). Years more than two points above the model average: 2011, 2017.
How much does the LJ pass rate vary by year?
20.1 percentage points between the highest (2011, 77.8%) and lowest (2012, 57.7%) 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: Longjia LJ reliability, failures and mileage · ranked #4931 of 5428 models· other Longjia models: LJ 125 T-A, LJ 50 QT-K, LJ 50 QT-F, LJ 50 QT-H, Digita 51, LJ 125 T-B