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

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$749.00
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6603 - Signature Series Fully Modified 30.5cc Marine Reed Engine +5mm Long Rod

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Details

Fully ported 30.5cc reed engine. Comes complete as shown in the picture with a Zenoah EZ start. Engine mounts and carb not included.

45" cat

The following work has been done:

disassemble crank to install +5mm long rod and re-balance combustion chamber cut to accommodate +2mm stroke crank and dome re-cut.

5mm cylinder spacer used to compensate longer connecting rod

eyebrows

transfer runner knife edged transfer ports enlarged/reshaped

intake port epoxied with dual boost ports cut lightened and windowed piston

exhaust duration raised and port widened

ignition timing advanced through coil location on ignition plate (fixed)

reed valve flowed and surfaced

reed case intake track flowed and surfaced

Additional Information

Manufacture O'Neill Brothers Racing
Sale Price No

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