Seller notes

TAIDA 50cc QMB139 4-STROKE 50mm, RACING BIG BORE CYLINDER & HEAD KIT. KIT INCLUDES CYLINDER, PISTON, RINGS, PISTON PIN, CIR CLIPS, CYLINDER HEAD, HEAD GASKET, AND BASE GASKET. WHEN USED IN CONJUNCTION WITH A STOCK STROKE OF 41.4mm THE TOTAL DISPLACEMENT COMES OUT TO 81cc **AKA 100cc** WHEN USED WITH A 44mm STROKER CRANK TOTAL DISPLACEMENT MEASURES 86cc UPGRADES TO 81ccCYLINDER BORE: 50mmCYLINDER SLEEVE OUTER DIAMETER: 54.4mm WRIST PIN DIAMETER: 13mmTOTAL PISTON HEIGHT: 36.3mmCOMPRESSION HEIGHT (...

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