BUELL XB12STT LIGHTNING SUPERTT

1203cc Petrol Class 2

79.4%

first-time pass rate

10.9%

failed outright

8,698

median miles at test

175

MOT tests, 2005–2025

What fails on a XB12STT LIGHTNING SUPERTT

failure defects by component group · advisories excluded

Component group	Defects	% of defects
lighting and signalling	11	31.4
steering and suspension	6	17.1
brakes	5	14.3
suspension	5	14.3
tyres	2	5.7
body and structure	2	5.7
steering	1	2.9
lamps and reflectors	1	2.9
structure and attachments	1	2.9
fuel and exhaust	1	2.9

Defects recorded against failed normal tests, 2005–2025, grouped by DVSA inspection section. One test can record multiple defects.

How rivals compare

same type, similar capacity, high test volume

On first-time pass rate the XB12STT LIGHTNING SUPERTT beats 0 of its 4 closest rivals (BMW R1200, BMW R1150, TRIUMPH SPRINT).

BMW R1200 92.9% pass · 299k tests BMW R1150 88.5% pass · 171k tests TRIUMPH SPRINT 85.6% pass · 133k tests SUZUKI GSF1200 82.4% pass · 97.6k tests

Rivals share this bike's type and sit within ±30% of its engine capacity, ≥ 5,000 tests. Card colour = better/worse first-time pass rate than the XB12STT LIGHTNING SUPERTT.

Pass rate by registration year

how each model-year cohort fares · registration year from first use date

Best year to buy used: 2008 (83.8% pass). Weakest: 2007 (75.6%).

First-time pass rate by the year each bike was first registered (cohorts with ≥ 50 tests). Older cohorts are survivors: the worst examples have already left the road, which tends to lift the earliest years.