2004 Skidoo ZX Series Service Manual, Page 241Get this manual
Section 05 ENGINES (4-TEC) Subsection 04 (COOLING SYSTEM)
CAUTION: When removing water pump shaft, always replace rotary seal with water pump shaft no7 and oil seal no4 (behind rotary seal)R1004motr138A
1Water pump gear 2Thrust washer behind water pump gear
R1004motr171A
WATER PUMP SHAFT WITH ROTARY SEAL
water pump gear no9 NOTE: The water pump gear is held by needle pin on the water pump shaft1