BIKERELIABILITY Reg check
Registration-year report · 2005–2025

Data as of: DVSA MOT results to 2025

Kawasaki BX: MOT pass rate by registration year

Which BX years pass first time, and which fall short of the model's 89.3% average, from 763 DVSA tests.

2018
highest-passing year · 90.3%
2017
lowest-passing year · 85.9%
4.4pp
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: 2018 (90.3% of 154 tests). Lowest: 2017 (85.9% of 64). Years more than two points below the model average: 2017.

85%88%91%2015: 90.0% pass (100 tests)2016: 89.0% pass (437 tests)2017: 85.9% pass (64 tests)2018: 90.3% pass (154 tests)201520172018
RegisteredTestsFirst-time passvs model (89.3%)
2015 100 90.0% +0.7 pp
2016 437 89.0% -0.3 pp
2017 64 85.9% -3.4 pp
2018 154 90.3% +1.0 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 · 2019–2025
85%90%95%2019: 93.3% pass (60 tests)2020: 90.5% pass (105 tests)2021: 87.7% pass (146 tests)2022: 89.7% pass (136 tests)2023: 90.7% pass (129 tests)2024: 89.2% pass (74 tests)2025: 86.9% pass (99 tests)20192025

Questions

Which BX years have the lowest MOT pass rate?
2017 registered examples pass first time less often than the Kawasaki BX overall (89.3%); the 2017 cohort is lowest at 85.9% from 64 tests.
Which BX year has the highest MOT pass rate?
2018, at 90.3% of 154 first tests (2005–2025).
How much does the BX pass rate vary by year?
4.4 percentage points between the highest (2018, 90.3%) and lowest (2017, 85.9%) 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: Kawasaki BX reliability, failures and mileage · ranked #1180 of 5428 models· other Kawasaki models: ZX-6R, ZX-9R, ZZR600, ER5, ZZ-R1100, ZX