<p>125cc Street Legal Racing Pack for fit Aprilia RS125 Rotax 122 engines.</p>
<ul>
<li style="text-align:left;">Aoki 125 cc D54 Cylinder</li>
<li>Italkit D54 Head</li>
<li style="text-align:left;">Italkit Racing Carbon Reed Valve</li>
</ul>
<p>Increase the displacement of your Yamaha DT 125 to 170cc with this Athena kit.<br /><br />Includes aluminium cylinder with piston, cylinder head with independent cylinder head, exhaust valve and gasket set.<br /><br />The aluminium cylinder with nikasil coating and equipped with a forged piston guarantees maximum performance with high reliability.<br /><br />This Athena 170 cc kit is also compatible with the Derbi GPR 125 2T as it is fitted with the same Minarelli engine as the Yamaha DT125.<br /><br />The increase of power and maximum torque is quite considerable and Athena has even declared a maximum power of 25,5 cv. at 10.500 rpm.<br /><br />To get even more power it is recommended to change the exhaust.</p>
<p>Cylinder Italkit 80cc 308-3 Racing Minarelli AM6 CK.44.780.GR2</p>
<p>77 cm3 Ø50mm cylinder with 2 piece head for <span style="text-decoration:underline;"><strong>39</strong><strong>mm stroke.</strong></span></p>
<p>1 ring piston racing version and Ø 32mm exhaust</p>
<p></p>
<p>Cylinder with head for fit Derbi Euro2 (Derbi Senda-GPR2000) 70 cm3 Diameter. 47,6 mm.</p>
<p>2 pieces head</p>
<p>1 ring piston</p>
<p>CK.12.747.G1</p>
<p>Cylinder with head Italkit CK.12.756.GR</p>
<p>Derbi Euro2 <strong>80 cm3</strong> Ø47,6mm cylinder with 2 piece head for <span style="text-decoration:underline;"><strong>44,9mm stroke.</strong></span></p>
<p>1 ring piston racing version with<strong> 12mm pin</strong></p>
<p></p>
<p>Cylinder with head Italkit CK.12.756.G14</p>
<p>Derbi Euro2 <strong>80 cm3</strong> Ø47,6mm cylinder with 2 piece head for <span style="text-decoration:underline;"><strong>44,9mm stroke.</strong></span></p>
<p>1 ring piston racing version with<strong> 14mm pin</strong></p>