Piaggio B125: MOT pass rate by registration year

Which B125 years pass first time, and which fall short of the model's 78.2% average, from 5,049 DVSA tests.

2003

highest-passing year · 79.8%

2002

lowest-passing year · 76.6%

3.2pp

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: 2003 (79.8% of 1,497 tests). Lowest: 2002 (76.6% of 2,144).

Registered	Tests	First-time pass	vs model (78.2%)
2002	2,144	76.6%	-1.6 pp
2003	1,497	79.8%	+1.6 pp
2004	1,064	77.9%	-0.3 pp
2005	207	78.3%	+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 · 2005–2023

Questions

Which B125 years have the lowest MOT pass rate?: none: no registration year of the Piaggio B125 falls more than two points under the model's 78.2% overall pass rate.
Which B125 year has the highest MOT pass rate?: 2003, at 79.8% of 1,497 first tests (2005–2025).
How much does the B125 pass rate vary by year?: 3.2 percentage points between the highest (2003, 79.8%) and lowest (2002, 76.6%) 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: Piaggio B125 reliability, failures and mileage · ranked #3881 of 5428 models· other Piaggio models: Vespa, Zip, NRG, PX 125 (vespa), PX 200 E, ET2