Suzuki An 400 K8 vs Kawasaki ER5

The Suzuki An 400 K8 passes its MOT first time more often than the Kawasaki ER5: 83.4% vs 77.4%, a 6.0-point lead.

MOT reliability, side by side

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

Metric	Suzuki An 400 K8	Kawasaki ER5
First-time pass rate	83.4%	77.4%
Outright fail rate	11.9%	14.2%
Median miles at test	15,465	21,259
MOT tests analysed	2,174	53,115
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.

SUZUKI AN 400 K8 83.4% pass · 2,174 tests KAWASAKI ER5 77.4% pass · 53.1k tests

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