Suzuki AY50W: MOT pass rate by registration year

Which AY50W years pass first time, and which fall short of the model's 70.4% average, from 1,692 DVSA tests.

2001

highest-passing year · 73.5%

2003

lowest-passing year · 57.4%

16.1pp

spread across 6 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: 2001 (73.5% of 385 tests). Lowest: 2003 (57.4% of 54). Years more than two points below the model average: 2000, 2003.

Registered	Tests	First-time pass	vs model (70.4%)
1998	176	69.9%	-0.5 pp
1999	314	72.3%	+1.9 pp
2000	373	67.6%	-2.8 pp
2001	385	73.5%	+3.1 pp
2002	308	69.8%	-0.6 pp
2003	54	57.4%	-13.0 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 · 2005–2015

Questions

Which AY50W years have the lowest MOT pass rate?: 2000, 2003 registered examples pass first time less often than the Suzuki AY50W overall (70.4%); the 2003 cohort is lowest at 57.4% from 54 tests.
Which AY50W year has the highest MOT pass rate?: 2001, at 73.5% of 385 first tests (2005–2025).
How much does the AY50W pass rate vary by year?: 16.1 percentage points between the highest (2001, 73.5%) and lowest (2003, 57.4%) 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: Suzuki AY50W reliability, failures and mileage · ranked #4699 of 5428 models· other Suzuki models: GSXR600, GSF600, GSXR750, GSF1200, GSXR1000, SV650S