YS FZ 53/70/80 S engines listed at YS Japan
11-02-2015, 01:07 PM
#1
YS FZ 53/70/80 S engines listed at YS Japan
What is the reason for such a variety of sizes in the same case ? Are these going to be available in the USA ?
I don't understand what the applications are but it must be some contest displacement rules ? Like 049 and 051 long ago.
I don't understand what the applications are but it must be some contest displacement rules ? Like 049 and 051 long ago.
