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Discussion Starter · #1 ·
Embarassing question.... Whats the difference between an s4r and an s4rs model? 916 motor and/or 996 motors? Thanks for entertaining my ignorance:D

Hes probably getting a monster or hyper w the 1100 air cooled motor, because of the 'funner' powerband for realistic street riding. Nevertheless, the question came up and i honestly didnt know...
 

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Hello

The year of manufacture matters. There are "S4R" 998 models, usually (correctly) identified as S4R-T for Testa. Then there are S4RS models which are Testa motors (next generation) with Ohlins suspension as well.
I believe the S4R-T models were made in 2007-08, so any 07/08 S4R will have the Testa motor.

That may not be perfect, but I hope it's close.

I only know that much because I'm putting together a S4R (996) for one of my sons, and a S4RS for myself. I'm using a bunch of spare ST4S (996) parts on the son's bike.
 
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