Yamaha FZ1S vs BMW R1150

The Yamaha FZ1S passes its MOT first time more often than the BMW R1150 — 89.5% vs 88.5%, a 1.0-point lead.

MOT reliability, side by side

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

Metric	Yamaha FZ1S	BMW R1150
First-time pass rate	89.5%	88.5%
Outright fail rate	4.6%	6.8%
Median miles at test	16,017	33,151
MOT tests analysed	13,098	170,963
Most common failure	lamps and reflectors	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.

YAMAHA FZ1S 89.5% pass · 13.1k tests BMW R1150 88.5% pass · 171k tests

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