I have about 150 miles on a 70cc kit, Proma pipe, and variator spring on a 1981 SR. Top speed incresed from 27mph to 38mph (car and speedo). Still slow off the line, but really 'wakes up' over 20mph. I am looking for a larger jet - still running stock now. I ordered all parts from VT in Hawaii and had a scooter shop in Columbus, OH do the dirty work. It's a super bike and looks/sounds great!
Posted on Mar 10, 2004, 2:11 PM from IP address 199.107.64.228
