2002-2003 Yamaha Raptor 660 High Performance CDI Unit

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Improved Yamaha Raptor 660 High Performance CDI Unit. Timing curves have been changing, which will allow you to beat all your friends ’ ATVs. Features• Improved Timing Curves• High er Rev Limit• Removed Reverse Rev Limit• Overrides for full performance at all times• Increased Spark Energy• Improved Throttle Response• Easier Starting• Plug-In Module Replacement (Easy Mounting) Boosts your RPM level by 1000!!! Show more