1997 Ski-Doo Factory Shop Manual Volume Two, Page 186Get this manual
Section 04 TRANSMISSION Sub-Section 08 (GEARBOX)
5,7,8, Screws and Locking Tab
Tighten screws in criss-cross sequence starting with the one above reverse axleInstall reverse axle screw and bend locking tab against screw head flatBolt shift linkage to shifter
ADJUSTMENT
28, Chain
Fully tighten adjustment screw by hand, then back off only far enough for hair pin to engage in locking hole529 0303 00
4, Gear Shift Linkage
1Check proper fit of handle in console2Shift into reverse gearNOTE: If it is impossible to shift into reverse gear, shorten tie-rod and try againIf it is still impossible, check if the fork engages in the sliding gear or disassemble the cover to inspect components3Completely slacken ball joint lock nut on the gear shift linkage4Using tool (PN 529 0303 00) to push and hold down tie-rod plate to make sure transmission is in reverse gearPull shifter handle in reverse position making sure all slack is removedLengthen tie-rod until it contacts the rubber washer then add an additional turn'