BIKERELIABILITY Reg check
League table/ ZNEN/ ZN/By year
Registration-year report · 2005–2025

Data as of: DVSA MOT results to 2025

Znen ZN: MOT pass rate by registration year

Which ZN years pass first time, and which fall short of the model's 66.3% average, from 2,776 DVSA tests.

2017
highest-passing year · 74.8%
2016
lowest-passing year · 63.5%
11.3pp
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: 2017 (74.8% of 294 tests). Lowest: 2016 (63.5% of 524). Years more than two points below the model average: 2016.

61%69%77%2012: 74.0% pass (73 tests)2013: 64.3% pass (266 tests)2014: 64.8% pass (770 tests)2015: 65.0% pass (645 tests)2016: 63.5% pass (524 tests)2017: 74.8% pass (294 tests)2018: 72.1% pass (111 tests)2019: 64.3% pass (56 tests)201220162019
RegisteredTestsFirst-time passvs model (66.3%)
2012 73 74.0% +7.7 pp
2013 266 64.3% -2.0 pp
2014 770 64.8% -1.5 pp
2015 645 65.0% -1.3 pp
2016 524 63.5% -2.8 pp
2017 294 74.8% +8.5 pp
2018 111 72.1% +5.8 pp
2019 56 64.3% -2.0 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 · 2017–2025
57%66%74%2017: 67.9% pass (299 tests)2018: 68.6% pass (328 tests)2019: 60.3% pass (385 tests)2020: 69.2% pass (452 tests)2021: 64.5% pass (425 tests)2022: 65.4% pass (344 tests)2023: 67.8% pass (255 tests)2024: 71.6% pass (148 tests)2025: 64.8% pass (108 tests)20172025

Questions

Which ZN years have the lowest MOT pass rate?
2016 registered examples pass first time less often than the Znen ZN overall (66.3%); the 2016 cohort is lowest at 63.5% from 524 tests.
Which ZN year has the highest MOT pass rate?
2017, at 74.8% of 294 first tests (2005–2025). Years more than two points above the model average: 2012, 2017, 2018.
How much does the ZN pass rate vary by year?
11.3 percentage points between the highest (2017, 74.8%) and lowest (2016, 63.5%) 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: Znen ZN reliability, failures and mileage · ranked #4954 of 5428 models· other Znen models: ZN 50 QT-56, ZN 125 T-32A Phantom, ZN 125 T-E5 Spirit, ZN 50 QT-11D, ZN 50 QT-E Tommy, ZN 50 QT-K