Bombardier SeaDoo 1989 factory shop manual, Page 36Get this manual
Section 03 ENGINE Sub-section 03 (TOP END)
Torque to 20 Nm (15 IMftl
Make sure to install large 0-irings around spark plugs holes and small 0-nng where shown
NOTE :If manifold has been used for exhaust
flanges alignment, remove it for engine installation in watercraft
17,18,19, Screw, WasherCylinder
Apply Lactite 515 Gasket Eliminator (PIN 293 800 0) on washer facesInstall and torque screws in criss-cross sequence for each cylinder to 20 Nm (15 lbfft)
1,4,6, ScrewCylinder Head Cover
Install cover over cylinder head The two longer screws must be installed on oval-shaped housingMake sure to install ignition housing support and flame arrester support