Kawasaki Er 650 CBF vs Yamaha FZS600

The Kawasaki Er 650 CBF passes its MOT first time more often than the Yamaha FZS600 — 86.5% vs 82.6%, a 3.9-point lead.

MOT reliability, side by side

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

Metric	Kawasaki Er 650 CBF	Yamaha FZS600
First-time pass rate	86.5%	82.6%
Outright fail rate	7.6%	10.6%
Median miles at test	13,097	21,612
MOT tests analysed	1,664	136,558
Most common failure	lamps and reflectors	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.

KAWASAKI ER 650 CBF 86.5% pass · 1,664 tests YAMAHA FZS600 82.6% pass · 137k tests

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