2005 Ski-Doo Racing Handbook, Page 374Get this manual
SECTION 082005 MX 550 AND 380 FC
INSPECTION
Refer to ENGINE DIMENSIONS MEASUREMENT
ASSEMBLY
Clean crankshaft end with sand paper no180 and remove all residue using Pulley flange cleaner (PN 413 711 809)
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BEARING PULLER SECURED IN THE VISE
CAUTION: Never use any air impact tool for tightening the puller boltLubricate the puller bolt and then proceed with tightening the puller bolt until the bearing comes outFollow the same procedure for the inner bearingNOTE: In the case of damaged bearing or less clearance between crankshaft counterbalance and the bearing or on the MAG side bearing, use bearing separator (SNAP-ON tool (PN CJ951 or SPXOTC) tool (PN 1124) to facilitate the removalA32CB5A