What's the best OEM secondary spring and settings for ViperER

[yamahappy]

100% stock sled +144 picks
200 lb rider
trail/lake riding
800-1800ft elevation

 

[kirk700 srx]

Ask Turk He is a clutch expert!

 

[journeyman]

Green Yamaha spring if it is all stock. The red stock one is pretty soft. I run a Silver which is stiffer than the green but I use Heavy Hitter clutch weights. The Viper seems to run best at 60 or 70 deg twist which is listed on the tech pages .I believe it is 3-3 and 6-1 for the hole locations.