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Old 11-02-2015, 01:07 PM
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Four Stroker
 
Join Date: Nov 2006
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Default 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.
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