Aprilia Atlantic 500 vs Kawasaki ER5

The Aprilia Atlantic 500 passes its MOT first time more often than the Kawasaki ER5 — 83.9% vs 77.4%, a 6.5-point lead.

MOT reliability, side by side

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

Metric	Aprilia Atlantic 500	Kawasaki ER5
First-time pass rate	83.9%	77.4%
Outright fail rate	12.0%	14.2%
Median miles at test	11,421	21,259
MOT tests analysed	1,332	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.

APRILIA ATLANTIC 500 83.9% pass · 1,332 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.