But those in the know already had this knowledge.....
http://everything.explained.at/Yamaha_SRX/Quote from this article "From 1985-1989 Yamaha prioduces the SRX-6, a no nonsence kickstart bike. 1986 was the only year that the SRX was imported to the U.S. The 600 cc version (
595 cc actual)was air cooled, had no front mounted oil cooler and came only in "Maple Red".