KTM 450 Exc-R: MOT pass rate by registration year

Which 450 Exc-R years pass first time, and which fall short of the model's 78.3% average, from 2,071 DVSA tests.

2007

highest-passing year · 81.3%

2008

lowest-passing year · 77.3%

4.0pp

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: 2007 (81.3% of 448 tests). Lowest: 2008 (77.3% of 693).

Registered	Tests	First-time pass	vs model (78.3%)
2007	448	81.3%	+3.0 pp
2008	693	77.3%	-1.0 pp
2009	533	78.0%	-0.3 pp
2010	330	78.8%	+0.5 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 · 2010–2025

Questions

Which 450 Exc-R years have the lowest MOT pass rate?: none: no registration year of the KTM 450 Exc-R falls more than two points under the model's 78.3% overall pass rate.
Which 450 Exc-R year has the highest MOT pass rate?: 2007, at 81.3% of 448 first tests (2005–2025).
How much does the 450 Exc-R pass rate vary by year?: 4.0 percentage points between the highest (2007, 81.3%) and lowest (2008, 77.3%) 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: KTM 450 Exc-R reliability, failures and mileage · ranked #3872 of 5428 models· other KTM models: 950, 125, 640 LC4-E, 450 Exc, 250 Exc, Super Duke 990