<p>This is an oversize piston kit for the Aprilia RS125, 123 and 122 engines.</p>
<p>This piston <strong>is to be used in a cylinder fitted with a cast iron sleeve.</strong></p>
<p>Note<strong> you cannot just rebore a STD plated cylinder</strong> and use this piston becuse this piston must run in a cast-iron bore.</p>
<p>Piston kit contains piston, piston rings, gudgeon pin and 2 circlips.</p>
<p>Choose Piston Size 54,25 - 54,50 - 54,75</p>
<p><strong>Important:</strong><br /><br /><strong>The needle cage must be replaced with the piston.</strong></p>
<p>Italkit piston to fit the Aprilia RS 125 1988-2012 Both Rotax 122 And 123 Type Motors.</p>
<p>This Piston Is a direct replacment for the std item with 2 Piston Rings</p>
<p>Piston kit contains piston, piston rings, gudgeon pin and 2 circlips.</p>
<p>Replaces Aprilia Part Number AP0294744, AP0294747, AP0294748, AP0294745, AP0294755, AP0294753</p>
<p>Choose Piston Size 53,955 - 54,02</p>
<p><strong>Important:</strong><br /><br />Italkit <strong>recommends a tolerance of 0.045 / 0.050 mm</strong> for this piston.<br /><br />Example: Cylinders with dimension 54,02 the appropriate piston would be 53,97 / 53,975<br /><br /><strong>The needle cage must be replaced with the piston.</strong></p>