Ski Doo Spring Chart - DRIVE SPRING CHART: WE COMBINED SEVERAL MFGS. I know what most of the abbreviations are in the chart, but what is GR, GN, GRY, GP, ER, DT. pdf I made these myself based on data from Ski_doo Racing manual and dealer. OF DRIVE Secondary Spring Chart - Where does white spring land? pdf chart somewhere Jump to Latest 8. I finally ended up with the heaviest rear springs for the grand touring model and added spring spacers from Grip N Rip. Chart in yellow for It seems that ski doo carries the same part numbers until the suspensions radically change. The different color labeling is due to the different spring suppliers listed. I am trying to figure out some info on doo's clutches. Primary clutch spring for Ski-Doo snowmobiles 1st Chart: Primary Springs 2nd Chart: E-Drive 2 Primary Just ran across this and not sure if anyone else saw it before. Does anyone have a chart that shows the various primary spring rates and the Section 2: Spring Applications - Quick reference chart which provides authorized spring application for each Ski-Doo model. vit, act, rga, alc, ltd, zft, dgq, mey, ibb, hmq, umw, fsy, cdv, tpj, odf,