Bombardier SeaDoo 1989 factory shop manual, Page 32Get this manual
Section 03 ENGINE Sub-Section 03 (TOP END)
Measure cylinder 16 mm (518 in) below its top edge
Ring End Gap
Position ring just above transfer ports, in relation with top of cylinder
NOTEIn order to correctly position ring in cylinder, use piston as pusher Using feeler gauge, check ring end gapIf gap exceeds specified tolerance rings should be replaced
cylinder Measuring perpendicularly) to piston pin axis 9'
FOOI 003 023
FOOI 003 024
ASSEMBLY
Assembly is essentially the reverse of disassembly proceduresHowever pay particular attention to the following
The difference between these two measurements should be within specified tolerance
RingPiston Groove Clearance
Using feeler gauge, check clearance between rectangular ring and grooveIf clearance exceeds specified tolerance, replace piston