BIKERELIABILITY Reg check
Head-to-head · 2005–2025

Kawasaki Zephyr 1100 vs BMW R1150

The BMW R1150 passes its MOT first time more often than the Kawasaki Zephyr 1100 — 88.5% vs 83.0%, a 5.5-point lead.

MOT reliability, side by side

first-time pass rate, outright fail rate and tests analysed · 2005–2025
Metric Kawasaki Zephyr 1100 BMW R1150
First-time pass rate 83.0% 88.5%
Outright fail rate 10.7% 6.8%
Median miles at test 23,566 33,151
MOT tests analysed 5,141 170,963
Most common failure brakes 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.

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