Test: Aprilia RS4 125 v Honda CBR125R v Rieju RS3 125 v Yamaha YZF-R125
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We pitted the Yamaha YZF-R125, Honda CBR125R, Aprilia RS4 125 and Rieju RS3 125 LC against each other on road, track and test strip to see which of the new generation four-stroke sports 125s comes out on top.