CDI from Electrosport - Procom for Yamaha YFM660 Grizzly manufactured between 2002-2008.
This CDI increases the RPM limit by 1000 RPM compared to the stock CDI, and the advance curve is also modified for increased power and torque. No modifications are necessary, the connector is identical to the factory one.
Original part reference: 5KM-85540-10-00 / 5KM-85540-00-00.
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