Triumph Bonneville 865: MOT pass rate by registration year

Which Bonneville 865 years pass first time, and which fall short of the model's 89.2% average, from 5,589 DVSA tests.

2010

highest-passing year · 89.6%

2012

lowest-passing year · 88.5%

1.1pp

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: 2010 (89.6% of 1,525 tests). Lowest: 2012 (88.5% of 1,197).

Registered	Tests	First-time pass	vs model (89.2%)
2009	1,333	89.6%	+0.4 pp
2010	1,525	89.6%	+0.4 pp
2011	1,525	89.0%	-0.2 pp
2012	1,197	88.5%	-0.7 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 · 2012–2025

Questions

Which Bonneville 865 years have the lowest MOT pass rate?: none: no registration year of the Triumph Bonneville 865 falls more than two points under the model's 89.2% overall pass rate.
Which Bonneville 865 year has the highest MOT pass rate?: 2010, at 89.6% of 1,525 first tests (2005–2025).
How much does the Bonneville 865 pass rate vary by year?: 1.1 percentage points between the highest (2010, 89.6%) and lowest (2012, 88.5%) 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 Bonneville 865 reliability, failures and mileage · ranked #1212 of 5428 models· other Triumph models: Bonneville, Tiger, Sprint, Daytona, Speed Triple, Thunderbird