Beta Xtrainer vs Yamaha RD350

The Yamaha RD350 passes its MOT first time more often than the Beta Xtrainer — 86.3% vs 81.2%, a 5.1-point lead.

MOT reliability, side by side

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

Metric	Beta Xtrainer	Yamaha RD350
First-time pass rate	81.2%	86.3%
Outright fail rate	10.2%	6.6%
Median miles at test	1,725	23,256
MOT tests analysed	1,959	19,574
Most common failure	lamps and reflectors	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.

BETA XTRAINER 81.2% pass · 1,959 tests YAMAHA RD350 86.3% pass · 19.6k tests

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