New CY RC 29 long block. 36mm bore. All you need to go from 23cc to 29cc with the least amount of money out of pocket. Use all your own plastic covers, ignition coil, flywheel, muffler, intake manifold and carb. They bolt right on.
Comes with the following items:
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Crankshaft installed
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Crankcase assembled
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Case Bearings installed
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Oil seal set installed
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36mm piston, pin bearing clips and rings
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36mm BIG BORE cylinder
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NGK spark plug
