Yesterday I posted a photo of Nol’s Dragracer. If you like this sort of thing then the following article might be of interest to you. Strokers are the ‘Pumped-up’ variants of standard motors.
I came across this article in an old Easyriders magazine from the 1970s.
If you like speed, sprocket ratios are not unimportant. They contribute to more or less speed, but also to comfort while riding.
Below is a mini crash course.
This article can be found in Easyriders Magazine number nine, from October of 1972.