Buell XB12STT Lightning Supertt vs Triumph Sprint

The Triumph Sprint passes its MOT first time more often than the Buell XB12STT Lightning Supertt — 85.6% vs 79.4%, a 6.2-point lead.

MOT reliability, side by side

first-time pass rate, outright fail rate and tests analysed · 2005–2025

Metric	Buell XB12STT Lightning Supertt	Triumph Sprint
First-time pass rate	79.4%	85.6%
Outright fail rate	10.9%	8.8%
Median miles at test	8,698	20,615
MOT tests analysed	175	132,827
Most common failure	lighting and signalling	brakes

First-time outcomes on normal tests, 2005–2025. "Most common failure" is the component group with the most recorded defects on failed tests. Read pass rates against test counts: a smaller sample is noisier. Source: DVSA anonymised MOT results.

BUELL XB12STT LIGHTNING SUPERTT 79.4% pass · 175 tests TRIUMPH SPRINT 85.6% pass · 133k tests

See each bike's full report — trend, mileage curve, failure breakdown and rivals — on its own page.