<p>CASTROL XR77 i the ultimate pre-mix racing 2-stroke engine oil based on fully synthetic technology.</p>
<p>Since the unveiling of Castrol A747 in 1976, there have been numerous technical developments in the field of Grand Prix Road Racing and competition engine power has risen from 300 bhp/litre to over 400 bhp/litre.</p>
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<p>Vetex piston kit for the Aprilia RS 125 1988-2012 both Rotax 122 And 123 Type Motors</p>
<p>Choose Piston Size 53,93 - 54,00.</p>
<p><strong>Important:</strong></p>
<p>Vertex <strong>recommends a tolerance of 0.07 mm</strong> for this piston.<br /><br />Example: cylinders with size 54,02 the appropriate piston would be 53,95.<br /><br />It is very important to take into account this consideration since they do not have the same tolerance as the Vertex 2 rings pistons for which 0,05 mm is recommended.<br /><br /><strong>The needle cage must be replaced with the piston.</strong></p>
<p>Rear ergal MJ Corse 415 racing sprocket to fit the <span class="grid-desc"><strong> Aprilia Futura 125.</strong></span></p>
<p><span class="grid-desc"><strong></strong>Require 415 chain.</span></p>
<p>Rear ergal MJ Corse 415 racing sprocket to fit the <strong>APRILIA RS125 (92-05)</strong><span class="grid-desc"><strong></strong></span></p>
<p><span class="grid-desc"><strong></strong>Require 415 chain.</span></p>