Bombardier SeaDoo 1990 factory shop manual, Page 35Get this manual

Bombardier SeaDoo 1990 factory shop manual, Page 35

Section 03 ENGINE Sub-section 03 (TOP END11 Or, to accurately determine piston to cylinder wall clearance Measure piston
to correctly position ring in cylinder, use piston as pusher Using feeler gauge, check ring end gap If gap exceeds specified
tolerance rings should be replaced Measuringperpendicularly (90'1 to piston wn alxis Top of transfer port The difference
between these two measurements should be within specified tolerance RingPiston Groove Clearance Using feeler gauge, check
cllearance between rectan- gular ring and groove If clearance exceeds specified tolerance, replace piston cylinder F001 003