Triumph Tiger 750: MOT pass rate by registration year

Which Tiger 750 years pass first time, and which fall short of the model's 88.0% average, from 510 DVSA tests.

1981

highest-passing year · 88.9%

1979

lowest-passing year · 85.2%

3.7pp

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: 1981 (88.9% of 54 tests). Lowest: 1979 (85.2% of 54). Years more than two points below the model average: 1977, 1979.

Registered	Tests	First-time pass	vs model (88.0%)
1976	62	88.7%	+0.7 pp
1977	85	85.9%	-2.1 pp
1978	117	88.0%	+0.0 pp
1979	54	85.2%	-2.8 pp
1981	54	88.9%	+0.9 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 · 2006–2017

Questions

Which Tiger 750 years have the lowest MOT pass rate?: 1977, 1979 registered examples pass first time less often than the Triumph Tiger 750 overall (88.0%); the 1979 cohort is lowest at 85.2% from 54 tests.
Which Tiger 750 year has the highest MOT pass rate?: 1981, at 88.9% of 54 first tests (2005–2025).
How much does the Tiger 750 pass rate vary by year?: 3.7 percentage points between the highest (1981, 88.9%) and lowest (1979, 85.2%) 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 Tiger 750 reliability, failures and mileage · ranked #1604 of 5428 models· other Triumph models: Bonneville, Tiger, Sprint, Daytona, Speed Triple, Thunderbird