Measure your stock shock. Going up an inch or 1/2 inch is a good thing. This will get your scooter off the ground for much better clearance when cornering for a safer ride. Your kick stands will not hit as well as your exhaust without making scooter taller.
YSS Performance Rear Shocks - 10 inches eye to eye
Fits many scooters example the Genuine Buddy 50/125/150
Adjustable Performance rear shock. Built of precision machined alloys. Spring preload adjustment with ring nuts of top of spring. Improve your ride drastically!