Honda ST1100 CBS: MOT pass rate by registration year

Which ST1100 CBS years pass first time, and which fall short of the model's 85.6% average, from 756 DVSA tests.

1999

highest-passing year · 89.6%

1998

lowest-passing year · 79.6%

10.0pp

spread across 5 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 (89.6% of 67 tests). Lowest: 1998 (79.6% of 186). Years more than two points below the model average: 1996, 1998.

Registered	Tests	First-time pass	vs model (85.6%)
1996	86	80.2%	-5.4 pp
1997	187	88.8%	+3.2 pp
1998	186	79.6%	-6.0 pp
1999	67	89.6%	+4.0 pp
2001	123	88.6%	+3.0 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 · 2006–2017

Questions

Which ST1100 CBS years have the lowest MOT pass rate?: 1996, 1998 registered examples pass first time less often than the Honda ST1100 CBS overall (85.6%); the 1998 cohort is lowest at 79.6% from 186 tests.
Which ST1100 CBS year has the highest MOT pass rate?: 1999, at 89.6% of 67 first tests (2005–2025). Years more than two points above the model average: 1997, 1999, 2001.
How much does the ST1100 CBS pass rate vary by year?: 10.0 percentage points between the highest (1999, 89.6%) and lowest (1998, 79.6%) 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: Honda ST1100 CBS reliability, failures and mileage · ranked #2333 of 5428 models· other Honda models: CBR600F, CBR900RR, CBR1100XX, CB500, C90, VFR800 Fi