Kawasaki SC vs Yamaha RD350

The Kawasaki SC passes its MOT first time more often than the Yamaha RD350: 87.8% vs 86.3%, a 1.5-point lead.

MOT reliability, side by side

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

Metric	Kawasaki SC	Yamaha RD350
First-time pass rate	87.8%	86.3%
Outright fail rate	9.0%	6.6%
Median miles at test	9,046	23,256
MOT tests analysed	2,568	19,574
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.

KAWASAKI SC 87.8% pass · 2,568 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.