NCY Direct Ignition Coil CM0900-1075 $63.99 Shipped in the US.

NCY Direct Ignition Coil; Universal Application
Bring your scooter to the 21st Century! NCY's Coil-on-Plug ignition system provides 10kV more per spark and optimum timing precision over a conventional HT lead. The build quality on this is second-to-none!

Features:

* Hotter Spark 
* Cleaner Burns=less smoke (especially 2T) 
* Quicker Acceleration 
* Higher Top-Speeds 
* Engine Eye-Candy

Overall, you will see the ability to build a more aggressive and more efficient ride!!

Includes: Coil Assembly, Bracket (can be modified for your needs), fasteners.