2005 Ski-Doo Racing Handbook, Page 418Get this manual

SECTION 102004 MX 440
Drive Sprocket ReplacementNever support sprocket by the outside when pressing shaft inInstall new retainer ring and clip, push back sprocket using the press, according to the following measures
1 Align arrow marks
A32D4AS

• ATV
• Jet Ski
• Outboard Motors
• Personal Watercraft
• Snowmobiles
• Stern Drives