2004 Ski-Doo Racing Handbook, Page 92Get this manual
SECTION 04ENGINE PREPARATION
INSTALLATION ON VEHICLE
To install engine on vehicle, reverse removal procedureHowever, pay attention, to all appropriate componentsystem reinstallation procedures described throughout this Shop Manual and to the following: After throttle cable installation, check carburetor maximum throttle opening and oil injection pump adjustment Check pulley alignment and drive belt tensionInstall doughnut shaped exhaust gasket no4 with both notches of its aligned with Y-manifold protrusionsNOTE: No sealant required on doughnut shaped exhaust gasket no4