Kawasaki Z900 vs Aprilia Tuono

The Aprilia Tuono passes its MOT first time more often than the Kawasaki Z900 — 88.4% vs 86.9%, a 1.5-point lead.

MOT reliability, side by side

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

Metric	Kawasaki Z900	Aprilia Tuono
First-time pass rate	86.9%	88.4%
Outright fail rate	5.9%	5.5%
Median miles at test	27,446	11,489
MOT tests analysed	4,100	34,724
Most common failure	lighting and signalling	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.

KAWASAKI Z900 86.9% pass · 4,100 tests APRILIA TUONO 88.4% pass · 34.7k tests

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