Helix (CN250) Let's see you get comfort, loads of performance, seating for two, and a built-in trunk with plenty of room for all that stuff you're sure to be toting. With all these features, it's pretty easy to see why this 244 cc, liquid-cooled 4-stroke scooter has been a popular favorite for both the urban and suburban set for years. California version differs slightly due to emissions equipm...