Kawasaki ZX 636 Gkfa: MOT pass rate by registration year

Which ZX 636 Gkfa years pass first time, and which fall short of the model's 85.8% average, from 590 DVSA tests.

2020

highest-passing year · 89.9%

2019

lowest-passing year · 84.7%

5.2pp

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: 2020 (89.9% of 89 tests). Lowest: 2019 (84.7% of 425).

Registered	Tests	First-time pass	vs model (85.8%)
2018	67	88.1%	+2.3 pp
2019	425	84.7%	-1.1 pp
2020	89	89.9%	+4.1 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 · 2022–2025

Questions

Which ZX 636 Gkfa years have the lowest MOT pass rate?: none: no registration year of the Kawasaki ZX 636 Gkfa falls more than two points under the model's 85.8% overall pass rate.
Which ZX 636 Gkfa year has the highest MOT pass rate?: 2020, at 89.9% of 89 first tests (2005–2025). Years more than two points above the model average: 2018, 2020.
How much does the ZX 636 Gkfa pass rate vary by year?: 5.2 percentage points between the highest (2020, 89.9%) and lowest (2019, 84.7%) 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: Kawasaki ZX 636 Gkfa reliability, failures and mileage · ranked #2266 of 5428 models· other Kawasaki models: ZX-6R, ZX-9R, ZZR600, ER5, ZZ-R1100, ZX