go to
www.skidoo.com
*click on USA English (unless your from Canada)
*owner center (top middle right)
*parts catalog
*visit the site now (bottom of page)
*view parts catalog
*when you see products enter ski doo and go
*click your year
*then your make and model
this will give you a breakdown of all parts in the engine and where they are located, and the ski doo part number to order. Call your nearest dealer or go on line with the part number to order.