Husqvarna SM 510 R: MOT pass rate by registration year

Which SM 510 R years pass first time, and which fall short of the model's 80.2% average, from 607 DVSA tests.

2005

highest-passing year · 81.1%

2007

lowest-passing year · 78.8%

2.3pp

spread across 5 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: 2005 (81.1% of 127 tests). Lowest: 2007 (78.8% of 156).

Registered	Tests	First-time pass	vs model (80.2%)
2005	127	81.1%	+0.9 pp
2006	75	80.0%	-0.2 pp
2007	156	78.8%	-1.4 pp
2008	138	79.0%	-1.2 pp
2011	50	80.0%	-0.2 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 · 2010–2018

Questions

Which SM 510 R years have the lowest MOT pass rate?: none: no registration year of the Husqvarna SM 510 R falls more than two points under the model's 80.2% overall pass rate.
Which SM 510 R year has the highest MOT pass rate?: 2005, at 81.1% of 127 first tests (2005–2025).
How much does the SM 510 R pass rate vary by year?: 2.3 percentage points between the highest (2005, 81.1%) and lowest (2007, 78.8%) 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: Husqvarna SM 510 R reliability, failures and mileage · ranked #3532 of 5428 models· other Husqvarna models: Fe, Te, SM610S, TE250, TE610E, TE450