Beta Motard 4.0 vs Kawasaki ZXR400

The Beta Motard 4.0 passes its MOT first time more often than the Kawasaki ZXR400: 91.6% vs 73.1%, a 18.5-point lead.

MOT reliability, side by side

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

Metric	Beta Motard 4.0	Kawasaki ZXR400
First-time pass rate	91.6%	73.1%
Outright fail rate	3.7%	18.9%
Vs comparable bikes (age & mileage adjusted)	+4.5 pts	-9.9 pts
Engine size	349cc	398cc
Median miles at test	6,856	23,651
MOT tests analysed	107	14,200
Most common failure	brakes	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.

"Vs comparable bikes" is the first-time pass rate minus the rate expected for each bike's own mix of age, mileage and test class, in percentage points: positive means better than comparable bikes. How this works.

BETA MOTARD 4.0 91.6% pass · 107 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.