150cc swap now i need a license plate! HELP

[cruzinruckus]

hi i live in mass and was wondering to anyone else in this state, i have a ruckus that i did a 150cc swap to and now want to take it on the roads with confidence and dont know how to go about up grading the 50cc registration to a 150cc to get a license plate. it has to be possible, i see pics all over that have rucks with plates on them. any adivice would be helpfull thanks scooter fam! 

[chanito]

You need to head to over to totalruckus, they have a whole section on installation of bigger engines, so they could help you with your question