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Development of Idling Stop System for PCX

Article of Honda R&D Technical Review Vol.22 No.2

Summary

An idling-stop system that can be mounted on the 125-cm3 engine of the PCX scooter was developed in order to enhance the environmental performance of the PCX. The system was made to use an ACG starter, which does not have a reduction mechanism for use in starting, in order to realize quiet starts with an impression of high quality. Cranking this engine requires a large ACG starter, and mounting this starter within the space given for attaching the ACG in the 125-cm3 engine became an issue. This issue was addressed by reducing the engine cranking torque by means of a decompression device and by adopting a cranking method that makes use of inertial force. This approach realized an ACG starter of a size that allows mounting in the space for mounting the ACG in a 125-cm3 engine.

Reference

(1) Sugioka, K., Sekiya, Y., Hayashi, H., Keiji, K., Nakajima, H., Toriyama, M.: Development of Scooter with 4-Stroke Engine "GIORNO Crea", HONDA R&D Technical Review, Vol. 11, No. 2, p. 9-14 (in Japanese)
(2) Toriyama, M., Iwadate, T., Yuhara, T., Shinmura, H.: Development of Idling Stop System for Scooter, JSAE Review, Vol. 22, No. 1, p. 92-94 (2001)

Author (organization or company)

Takeshi YANAGISAWA(Motorcycle R&D Center)、Teruhide YAMANISHI(Motorcycle R&D Center)、Katsuhiro UTSUGI(Motorcycle R&D Center)、Toshiya NAGATSUYU(Motorcycle R&D Center)

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