Triumph 900: MOT pass rate by registration year

Which 900 years pass first time, and which fall short of the model's 82.1% average, from 702 DVSA tests.

1996

highest-passing year · 88.8%

1992

lowest-passing year · 76.7%

12.1pp

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: 1996 (88.8% of 98 tests). Lowest: 1992 (76.7% of 73). Years more than two points below the model average: 1992, 1993, 1995.

Registered	Tests	First-time pass	vs model (82.1%)
1992	73	76.7%	-5.4 pp
1993	105	80.0%	-2.1 pp
1994	212	84.0%	+1.9 pp
1995	153	78.4%	-3.7 pp
1996	98	88.8%	+6.7 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 · 2006–2017

Questions

Which 900 years have the lowest MOT pass rate?: 1992, 1993, 1995 registered examples pass first time less often than the Triumph 900 overall (82.1%); the 1992 cohort is lowest at 76.7% from 73 tests.
Which 900 year has the highest MOT pass rate?: 1996, at 88.8% of 98 first tests (2005–2025).
How much does the 900 pass rate vary by year?: 12.1 percentage points between the highest (1996, 88.8%) and lowest (1992, 76.7%) 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: Triumph 900 reliability, failures and mileage · ranked #3165 of 5428 models· other Triumph models: Bonneville, Tiger, Sprint, Daytona, Speed Triple, Thunderbird