6603 - Signature Series Fully Modified 30.5cc Marine Reed Engine +5mm Long Rod

<p>Fully ported 30.5cc reed engine. Comes complete as shown in the picture with a Zenoah EZ start. Engine mounts and carb not included.</p> <p>45" cat</p> <p><iframe frameborder="0" height="350" src="http://www.youtube.com/embed/f63ac-eHLS8" width="425"></iframe></p> <p><iframe frameborder="0" height="350" src="http://www.youtube.com/embed/ZEORlZomjZk" width="425"></iframe></p> <p>The following work has been done:</p> <p>disassemble crank to install +5mm long rod and re-balance combustion chamber cut to accommodate +2mm stroke crank and dome re-cut.</p> <p>5mm cylinder spacer used to compensate longer connecting rod</p> <p>eyebrows</p> <p>transfer runner knife edged transfer ports enlarged/reshaped</p> <p>intake port epoxied with dual boost ports cut lightened and windowed piston</p> <p>exhaust duration raised and port widened</p> <p>ignition timing advanced through coil location on ignition plate (fixed)</p> <p>reed valve flowed and surfaced</p> <p>reed case intake track flowed and surfaced</p>