Yamaha XT350 vs Kawasaki ZXR400

The Yamaha XT350 passes its MOT first time more often than the Kawasaki ZXR400: 77.2% vs 73.1%, a 4.1-point lead.

MOT reliability, side by side

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

Metric	Yamaha XT350	Kawasaki ZXR400
First-time pass rate	77.2%	73.1%
Outright fail rate	13.0%	18.9%
Median miles at test	20,268	23,651
MOT tests analysed	4,921	14,200
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.

YAMAHA XT350 77.2% pass · 4,921 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.