Bombardier SeaDoo 1990 factory shop manual, Page 29Get this manual
Section 03 ENGINE Sub-section 02 (REMOVALINSTALLATION)
1.3,4,5, Nut, Tune Pilpe0-Ring
Make sure that O-rings are properly located into exhaust manifold grooves prior to finalizing pipe installationTorque nuts in criss-cross sequence to 25 N-m (18 lbf-ft)
CAUTIONMake sure that sufficient gap is present between hull and tuned pipe, and also between clamp protrusion and hullFinal Inspection1 Check throttle cable condition then after its installation, properly adlust and synchronize oil injection pump as specified in "OIL SYSTEM", section 06Bleed oil injection pumpPressure test fuel systemSecure vent tube to the batteryEnsure vent tube is not kinked or obstructedVerify all connectionsand hoses conditionRun engine and ensure there is no leakage