Yamaha YP 400 Ra X-Max Abs vs Suzuki AN400

The Yamaha YP 400 Ra X-Max Abs passes its MOT first time more often than the Suzuki AN400: 88.8% vs 86.2%, a 2.6-point lead.

MOT reliability, side by side

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

Metric	Yamaha YP 400 Ra X-Max Abs	Suzuki AN400
First-time pass rate	88.8%	86.2%
Outright fail rate	7.6%	9.8%
Median miles at test	9,046	15,861
MOT tests analysed	805	27,056
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.

YAMAHA YP 400 RA X-MAX ABS 88.8% pass · 805 tests SUZUKI AN400 86.2% pass · 27.1k tests

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