Bombardier SeaDoo 1994 factory shop manual, Page 54Get this manual
Section 03 ENGINE Sub-section 02 (1REMOVAL AND INSTALLATION)
Weld lock washer here
Old spark plug
Install hose pincher on oil pump supply line then disconnect hose
Engine Support Mounts
Remove engine support mount screwsNOTEBe careful when removing engine port mount screws, shims could have been installed between engine support and rubber mountsTo ease engine jet pump alignment, indicate shim location for reinstallation(TYPICAL!
Remove spark plugs and replace by special toolsHook sling into holes of special tools then using chain block, hoist or other suitable equipment, slowly lift engineLift it until rotary valve supply line is reachableinstall hose pincher on the line, then disconnectInstall hose pincher on rotary valve oil return line (on top of starterlthen disconnectDisconnect red positive cable from starter post