2001 Ski-Doo Factory Shop Manual Volume Two, Page 225Get this manual
Section 07 REAR SUSPENSION Subsection 02 (SC-10 II SUSPENSION)
SHOCK ABSORBER INSPECTION
All Models Equipped with Hydraulic Shock NOTE: Hydraulic shocks are painted black or dark graySecure the shock body end in vise with its rod upwardLet it stand for minutesCompletely push down the shock rod then releaseRod must come out at steady speedIf speed suddenly increases particularly at end of extension, replace shockAll Types of Shock If suspecting frozen shock proceed as follows: Place shock in freezer (temperature below 0C (32F)) for hoursPush down on rod and note its resistanceIf shock is frozen it will be impossible or almost impossible to compress it
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CAUTION: Do not clamp directly on shock bodyExamine each shock for leaksExtend and compress the piston several times over its entire strokeCheck that it moves smoothly and with uniform resistance with its rod upwardPay attention to the following conditions that will denote defective shock: skip or hang back when reversing stroke at mid travel Seizing or binding condition except at extreme end of either stroke Oil leakage gurgling noise, after completing one full compression and extension strokeRenew if any faults are presentAll Models Equipped with Gas Pressurized Shock NOTE: Gas pressurized shocks are light gray or purple painted, or bare aluminumGas shock can be inspected as follows: Because of gas pressure, strong resistance is felt when compressing shockWhen released, the shock will extend unassistedRenew as requiredIf suspecting an internal gas leak between oil chamber and gas chamber, check shock as follows: Install shock in vise clamping on its bottom eyelet with its rod upward