Royal Enfield Bullet Classic Efi: MOT pass rate by registration year

Which Bullet Classic Efi years pass first time, and which fall short of the model's 86.5% average, from 1,720 DVSA tests.

2011

highest-passing year · 86.9%

2010

lowest-passing year · 85.8%

1.1pp

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: 2011 (86.9% of 503 tests). Lowest: 2010 (85.8% of 521).

Registered	Tests	First-time pass	vs model (86.5%)
2010	521	85.8%	-0.7 pp
2011	503	86.9%	+0.4 pp
2012	416	86.3%	-0.2 pp
2013	258	86.4%	-0.1 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 · 2013–2025

Questions

Which Bullet Classic Efi years have the lowest MOT pass rate?: none: no registration year of the Royal Enfield Bullet Classic Efi falls more than two points under the model's 86.5% overall pass rate.
Which Bullet Classic Efi year has the highest MOT pass rate?: 2011, at 86.9% of 503 first tests (2005–2025).
How much does the Bullet Classic Efi pass rate vary by year?: 1.1 percentage points between the highest (2011, 86.9%) and lowest (2010, 85.8%) 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: Royal Enfield Bullet Classic Efi reliability, failures and mileage · ranked #2052 of 5428 models· other Royal Enfield models: Bullet 500, Interceptor Int 650, Bullet 350, Himalayan, Bullt, Bullet