Chinese CDI for 49cc - 90cc 2-stroke engines. Use our detailed pictures and measurements to help match your CDI. CDI description: 5-wire 3 single pins 2-pin plug. Wiring harness is approx. 3 1/2 inches long. Square part of box is 36mm x 40mm x 30mm. Known to fit 50cc 2-stroke 1PE40QMB or 90cc 2-stroke 1PE50QMF Minarelli based engine used by Adly, Aeon, Aprilia, Atala, Benelli, Beta, BKM, BSV, CPI, Dinli, Eton, Fly, Geely, Genuine, Italjet, Kasea, Keeway, Kreidler, KTM, Kymco, Linhai, Malaguti, MBK, Minarelli, Motron, MZ, PGO, Polaris, Strada, TNG, Vento, Xtrem and .