BIKERELIABILITY Reg check
Registration-year report · 2005–2025

Data as of: DVSA MOT results to 2025

Piaggio Vespa ET4-125: MOT pass rate by registration year

Which Vespa ET4-125 years pass first time, and which fall short of the model's 77.0% average, from 548 DVSA tests.

2003
highest-passing year · 83.1%
2001
lowest-passing year · 73.8%
9.3pp
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 (83.1% of 71 tests). Lowest: 2001 (73.8% of 149). Years more than two points below the model average: 2001.

72%78%85%2001: 73.8% pass (149 tests)2002: 78.5% pass (130 tests)2003: 83.1% pass (71 tests)2004: 76.5% pass (51 tests)200120032004
RegisteredTestsFirst-time passvs model (77.0%)
2001 149 73.8% -3.2 pp
2002 130 78.5% +1.5 pp
2003 71 83.1% +6.1 pp
2004 51 76.5% -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 · 2007–2018
61%78%94%2007: 80.0% pass (30 tests)2009: 66.7% pass (30 tests)2010: 81.8% pass (33 tests)2011: 74.2% pass (31 tests)2012: 74.2% pass (31 tests)2015: 72.7% pass (33 tests)2016: 75.0% pass (32 tests)2017: 88.7% pass (71 tests)2018: 82.9% pass (35 tests)20072018

Questions

Which Vespa ET4-125 years have the lowest MOT pass rate?
2001 registered examples pass first time less often than the Piaggio Vespa ET4-125 overall (77.0%); the 2001 cohort is lowest at 73.8% from 149 tests.
Which Vespa ET4-125 year has the highest MOT pass rate?
2003, at 83.1% of 71 first tests (2005–2025).
How much does the Vespa ET4-125 pass rate vary by year?
9.3 percentage points between the highest (2003, 83.1%) and lowest (2001, 73.8%) 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: Piaggio Vespa ET4-125 reliability, failures and mileage · ranked #4065 of 5428 models· other Piaggio models: Vespa, Zip, NRG, PX 125 (vespa), PX 200 E, ET2