Heres a thread I have going on the mods Ive done to my cags so you can see some of the ways Ive modded them......
http://www.pocketbikeplanet.com/showthread.php?t=60828
A side by side 49cc would require a special spacer made and also a mount made for the second coil.............Theres engines all over utube,,pm some of the builders and see if theyll give up the poop on how they did it......
For one thing youre gonna have to widen the frame a bit to get them mounted in correctly and balanced...Good Luck
http://www.pocketbikeplanet.com/showthread.php?t=60828
A side by side 49cc would require a special spacer made and also a mount made for the second coil.............Theres engines all over utube,,pm some of the builders and see if theyll give up the poop on how they did it......
For one thing youre gonna have to widen the frame a bit to get them mounted in correctly and balanced...Good Luck