Triumph Bonneville 865 — Reliability by Year
753 vehicles · MOT data 2009–2012 · first-test pass rates
This page shows MOT first-test pass rates for each year the Triumph Bonneville 865 was manufactured — click any year to explore that cohort in detail. Trying to decide which year to buy? See the full buying guide →
Which year Triumph Bonneville 865 is most reliable?
MOT pass rate by year of manufacture — averaged across each vehicle's lifetime of tests.
Tests range from an average of 8,183 miles (newest year) to 9,903 miles (oldest year). Older years naturally accumulate more tests at higher mileages — see the mileage-normalised breakdown →
We've done the full analysis — which years to look for, which to avoid, and where to find the best value for reliability on a Triumph Bonneville 865.
Check any UK registration — free MOT history and risk insights.