SYM AD12W Jet 4 125: MOT pass rate by registration year

Which AD12W Jet 4 125 years pass first time, and which fall short of the model's 72.9% average, from 2,366 DVSA tests.

2013

highest-passing year · 73.6%

2011

lowest-passing year · 71.3%

2.3pp

spread across 3 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: 2013 (73.6% of 888 tests). Lowest: 2011 (71.3% of 425).

Registered	Tests	First-time pass	vs model (72.9%)
2011	425	71.3%	-1.6 pp
2012	1,019	73.1%	+0.2 pp
2013	888	73.6%	+0.7 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 · 2014–2025

Questions

Which AD12W Jet 4 125 years have the lowest MOT pass rate?: none: no registration year of the SYM AD12W Jet 4 125 falls more than two points under the model's 72.9% overall pass rate.
Which AD12W Jet 4 125 year has the highest MOT pass rate?: 2013, at 73.6% of 888 first tests (2005–2025).
How much does the AD12W Jet 4 125 pass rate vary by year?: 2.3 percentage points between the highest (2013, 73.6%) and lowest (2011, 71.3%) 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: SYM AD12W Jet 4 125 reliability, failures and mileage · ranked #4508 of 5428 models· other SYM models: Jet, DD50, City Hopper, Jet 50 - Euro X, Fiddle, Shark