Triumph T140E: MOT pass rate by registration year

Which T140E years pass first time, and which fall short of the model's 86.1% average, from 834 DVSA tests.

1980

highest-passing year · 88.6%

1981

lowest-passing year · 84.8%

3.8pp

spread across 4 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: 1980 (88.6% of 228 tests). Lowest: 1981 (84.8% of 79).

Registered	Tests	First-time pass	vs model (86.1%)
1978	131	87.0%	+0.9 pp
1979	283	85.2%	-0.9 pp
1980	228	88.6%	+2.5 pp
1981	79	84.8%	-1.3 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 · 2006–2018

Questions

Which T140E years have the lowest MOT pass rate?: none: no registration year of the Triumph T140E falls more than two points under the model's 86.1% overall pass rate.
Which T140E year has the highest MOT pass rate?: 1980, at 88.6% of 228 first tests (2005–2025).
How much does the T140E pass rate vary by year?: 3.8 percentage points between the highest (1980, 88.6%) and lowest (1981, 84.8%) 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 T140E reliability, failures and mileage · ranked #2173 of 5428 models· other Triumph models: Bonneville, Tiger, Sprint, Daytona, Speed Triple, Thunderbird