Seller notes

New High Performance CDI that meets or exceeds all OEM Yamaha specifications at a fraction of the price. This redesigned CDI Box/Rev. Kit increases 1,000 RPM over the stock limit, up to a 3 horse power gain! In addition to raising the rev limit, the re-mapped built-in timing curve can add huge horsepower to your machine by simply plugging it in, no additional tuning or parts required! It is the high performance replacement for Yamaha part number 5YT-85540-00-00. Please ensure your model and year...

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