Replacement for Honda FourTrax 300 TRX300 TRX300FW 1994 1995 1996 1997. Replacement Part Number: 30410-HM5-505, 30410-HM5-671, 30410-HM5-672, 30410-HM5-670. Easy to install and reliable to use, professional installation is recommended. This CDI box can adjust spark advance angle automatically according to engine speed, making fuel fully burning and starting the engine more quickly.
