2004 Skidoo ZX Series Service Manual, Page 271Get this manual

2004 Skidoo ZX Series Service Manual, Page 271

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Section 05 ENGINES (4-TEC) Subsection 06 (CYLINDER AND CYLINDER HEAD)

VALVE STEM DIAMETER mm (in) MINIMUM (NEW) Exhaust Intake Exhaust Intake Exhaust Intake 5.946 mm (.2341 in) 5.961 mm (