A popular set up for stock SRX is one from Mr viper who is very knowledgeable yamaha guy which would be 8dn 20s 4.5 gram rivets in both holes of each weight. www spring and for secondary green spring, dalton helix 54 46 wrapped at 70
This is a good lake race set up. 54-45 provides better back shift for trails and shouldnt over-rev on lake
--Wrap at 70 for trails (better back-shift), or 60 for lake running.
Part numbers:
RIVET: #90261-06033-00 (4.5 g rivet)
W-W-W: #90501-583L1-00 ( Y-S-Y lower engagement)
GREEN SECONDARY: #90508-556A2
W-W-W - 45kgf - 2.25- 119kgf. Engagement of 4000. Y-S-Y - 35kgf - 2.5 - 118kgf. 90501-582L1.