Suzuki GSF 600 W: MOT pass rate by registration year

Which GSF 600 W years pass first time, and which fall short of the model's 76.0% average, from 1,883 DVSA tests.

1999

highest-passing year · 78.9%

1998

lowest-passing year · 75.0%

3.9pp

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: 1999 (78.9% of 285 tests). Lowest: 1998 (75.0% of 1,115).

Registered	Tests	First-time pass	vs model (76.0%)
1997	446	76.2%	+0.2 pp
1998	1,115	75.0%	-1.0 pp
1999	285	78.9%	+2.9 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 · 2005–2025

Questions

Which GSF 600 W years have the lowest MOT pass rate?: none: no registration year of the Suzuki GSF 600 W falls more than two points under the model's 76.0% overall pass rate.
Which GSF 600 W year has the highest MOT pass rate?: 1999, at 78.9% of 285 first tests (2005–2025).
How much does the GSF 600 W pass rate vary by year?: 3.9 percentage points between the highest (1999, 78.9%) and lowest (1998, 75.0%) 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 GSF 600 W reliability, failures and mileage · ranked #4189 of 5428 models· other Suzuki models: GSXR600, GSF600, GSXR750, GSF1200, GSXR1000, SV650S