Bombardier SeaDoo 1989 factory shop manual, Page 32Get this manual

Bombardier SeaDoo 1989 factory shop manual, Page 32

Section 03 ENGINE Sub-Section 03 (TOP END) Measure cylinder 16 mm (518 in) below its top edge Ring End Gap Position ring
specified tolerance RingPiston Groove Clearance Using feeler gauge, check clearance between rectangular ring and grooveIf
clearance exceeds specified tolerance, replace piston 23,24,26, Piston, Piston PinRoller Bearinlg At assembly, locate piston
so that intake hole tary valve side NOTERinglpiston groove clearance can be correctly measured only on rectangular ring which
is bottom ring Carefully cover crankcase apertures as for disassembly Plastic Mounting Device Method Replacement roller bearings