Kawasaki Ex 650 CBF: MOT pass rate by registration year

Which Ex 650 CBF years pass first time, and which fall short of the model's 85.9% average, from 2,225 DVSA tests.

2013

highest-passing year · 94.1%

2012

lowest-passing year · 85.3%

8.8pp

spread across 3 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 (94.1% of 68 tests). Lowest: 2012 (85.3% of 808).

Registered	Tests	First-time pass	vs model (85.9%)
2011	1,349	85.8%	-0.1 pp
2012	808	85.3%	-0.6 pp
2013	68	94.1%	+8.2 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 · 2014–2025

Questions

Which Ex 650 CBF years have the lowest MOT pass rate?: none: no registration year of the Kawasaki Ex 650 CBF falls more than two points under the model's 85.9% overall pass rate.
Which Ex 650 CBF year has the highest MOT pass rate?: 2013, at 94.1% of 68 first tests (2005–2025).
How much does the Ex 650 CBF pass rate vary by year?: 8.8 percentage points between the highest (2013, 94.1%) and lowest (2012, 85.3%) 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 Ex 650 CBF reliability, failures and mileage · ranked #2232 of 5428 models· other Kawasaki models: ZX-6R, ZX-9R, ZZR600, ER5, ZZ-R1100, ZX