2004 Skidoo ZX Series Service Manual, Page 113Get this manual

2004 Skidoo ZX Series Service Manual, Page 113

Quality of the image is intentionally reduced!

Section 04 ENGINES (2-STROKE) Subsection 01 (377 AND 552 ENGINE TYPES)
TYPICAL 1 Locating sleeve 2 Sleeve

NOTE: 0.25 and 0.5 mm oversized piston and rings are available if necessary