BMW G310 vs KAWASAKI ZXR400

The BMW G310 passes its MOT first time more often than the KAWASAKI ZXR400 — 91.3% vs 73.1%, a 18.2-point lead.

MOT reliability, side by side

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

Metric	BMW G310	KAWASAKI ZXR400
First-time pass rate	91.3%	73.1%
Outright fail rate	4.3%	18.9%
Median miles at test	4,375	23,651
MOT tests analysed	5,862	14,200
Most common failure	lamps and reflectors	lighting and signalling

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.

BMW G310 91.3% pass · 5,862 tests KAWASAKI ZXR400 73.1% pass · 14.2k tests

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