Bombardier SeaDoo 2001 factory shop manual, Page 117Get this manual
Section 04 ENGINE Subsection 05 (TOP END)
CLEANING
Discard all gaskets and O-ringsClean all metal components in solventClean water passages and make sure they are not cloggedRemove carbon deposits from cylinder exhaust port, RAVE valve (787 RFI and 947 engines), cylinder head and piston domeClean piston ring grooves with groove cleaner tool, or piece of broken ring
The inspection of engine top end should include the following measurementsENGINE MEASUREMENT Cylinder taper Cylinder out of round Pistoncylinder wall clearance for the 717 engine Pistoncylinder wall clearance for the 787 RFI engine Pistoncylinder wall clearance for the 947 engine Pistoncylinder wall clearance for the 947 DI engine Ringpiston groove clearance for the 717 engine Ringpiston groove clearance for the 787 RFI engine Ringpiston groove clearance for the 947 engine Ringpiston groove clearance for the 947 DI engine Ring end gap for the 717 engine Ring end gap for the 787 RFI engine Ring end gap for the 947 engine Ring end gap for the 947 DI engine