KAWASAKI ZXR400 vs YAMAHA RD350

The YAMAHA RD350 passes its MOT first time more often than the KAWASAKI ZXR400 — 86.3% vs 73.1%, a 13.2-point lead.

MOT reliability, side by side

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

Metric	KAWASAKI ZXR400	YAMAHA RD350
First-time pass rate	73.1%	86.3%
Outright fail rate	18.9%	6.6%
Median miles at test	23,651	23,256
MOT tests analysed	14,200	19,574
Most common failure	lighting and signalling	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.

KAWASAKI ZXR400 73.1% pass · 14.2k tests YAMAHA RD350 86.3% pass · 19.6k tests

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