KTM Duke 620: MOT pass rate by registration year

Which Duke 620 years pass first time, and which fall short of the model's 76.6% average, from 859 DVSA tests.

1997

highest-passing year · 82.1%

1998

lowest-passing year · 73.0%

9.1pp

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: 1997 (82.1% of 352 tests). Lowest: 1998 (73.0% of 244). Years more than two points below the model average: 1996, 1998.

Registered	Tests	First-time pass	vs model (76.6%)
1996	83	73.5%	-3.1 pp
1997	352	82.1%	+5.5 pp
1998	244	73.0%	-3.6 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 · 2006–2021

Questions

Which Duke 620 years have the lowest MOT pass rate?: 1996, 1998 registered examples pass first time less often than the KTM Duke 620 overall (76.6%); the 1998 cohort is lowest at 73.0% from 244 tests.
Which Duke 620 year has the highest MOT pass rate?: 1997, at 82.1% of 352 first tests (2005–2025).
How much does the Duke 620 pass rate vary by year?: 9.1 percentage points between the highest (1997, 82.1%) and lowest (1998, 73.0%) 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: KTM Duke 620 reliability, failures and mileage · ranked #4109 of 5428 models· other KTM models: 950, 125, 640 LC4-E, 450 Exc, 250 Exc, Super Duke 990