<p>Cylinder Honer for use in electric drills with 50 mm chuck.</p>
<p>With adjustable pressure - results in no grooves in the cylinder 3-arm, for diameters 32-90 mm.</p>
<p>Complete with hones in std coarseness</p>
<p>Aprilia RS 125 to 140cc Italkit cylinder Rotax 122 2 rings</p>
<p>140cc 57mm Rotax 122 Cylinder to fit the Rotax 122 type engine.</p>
<p><strong>Twin rings piston version.</strong></p>
<p><span style="color:#000000;">This Aprilia RS 125 140cc Big Bore Kit Comes With A Forged And Balanced<span style="color:#d0121a;"> <strong>twin rings</strong></span> 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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<p><span style="text-decoration:underline;"><strong>With 2 rings piston version</strong></span></p>
<p>125cc 54mm Rotax 122 Cylinder to fit the Rotax 122 type engine.</p>
<p></p>
<p><span style="text-decoration:underline;"><strong>With 1 ring racing piston</strong></span></p>
<p>125cc 54mm Rotax 122 Cylinder to fit the Rotax 122 type engine.</p>
<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>OEM replacement clutch arm to fit Aprilia RS125 , AF1, Futura ... Rotax 122 And 123 Type Engines.</p>
<p>Aprilia Part Number<span class="actsearchhighlightcolor"> AP0259325</span></p>
<p>Complete set of bearing for the balance shaft and gear box for Aprilia RS125 both Rotax 122 and 123 type engines.</p>
<p>You get the 6 main gearbox+balance shaft bearings</p>
<p><strong>ITALKIT</strong> version of the <strong>Rave 2</strong> valve but simpler and cheaper.</p>
<p><span style="color:#000000;">It is a Pneumatic valve that opens up around<strong> 7800 - 8000 Rpm</strong> which is just about the perfect timing.</span></p>
<p><span style="color:#000000;"> Like the Rave 2 you will need to drill a hole in the cylinder to allow the exhaust gases to open the valve.</span></p>
<p><span style="color:#000000;">There is an<strong> instruction sheet</strong> included in the kit.</span></p>
<p>ITALKIT <strong>Adjustable</strong> version Power Valve</p>
<p><span style="color:#000000;">It is a Pneumatic valve that opens <strong>between 6000 - 8500 Rpm</strong> adjustable in 9 positions<br /></span></p>
<p><span style="color:#000000;"> Like the Rave 2 you will need to drill a hole in the cylinder to allow the exhaust gases to open the valve.</span></p>
<p><span style="color:#000000;">There is an<strong> instruction sheet</strong> included in the kit.</span></p>
<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>Power valve spacer to be used with the 140 Italkit Rotax 122 / 123 engines Rave 1 & Rave 2.</p>
<p>This spacer Is required when you fit the 140 Kit, it fits between the power valve housing and the cylinder.</p>
<p>This is often mislaid when purchasing second hand cylinders / power Valves.</p>
<p>The Italkit 140 cylinder includes this part, it is not necessary to buy it separately.</p>
All the spare parts, racing parts, bigbore or standar cylinder , carburetion, clutch kits, pistons, cylinder heads and much more for your engine APRILIA RS125.
Also if you want to tuned the engine of the Aprilia RS 125 for competition or street and increase its power we have the best brands at the best price: