<p>Aprilia 140cc Rotax 122 Cylinder to fit the Rotax 122 type engine.</p>
<p><span style="color:#000000;">This Aprilia RS 125 140cc Kit Comes with a forged and balanced single ring Vertex Piston Kit, cylinder bored To 57mm (140cc) gaskets and a power valve spacer.</span></p>
<p><span style="color:#000000;">We feel the Italkit Aprilia RS125 big bore kit is the best big bore kit on the market for the Aprilia RS125, unlike the Polini 154 kit, the Italkit likes to rev like a 125 but still gives you more power all though the rev range.</span></p>
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