CDI from Electrosport - Procom for Yamaha YZ450F 4T manufactured between 2003-2007.
This CDI increases the RPM limit by 750 RPM compared to the stock CDI, and the ignition curve is also modified for increased power and torque. No modifications are necessary, the connector is identical to the stock one.
Original part reference: 2S2-85540-00-00 / 5XD-85540-00 / 5XD-85550-00 / 2S2-85540-B0-00 / 2S2-85540-70-00.
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