2004 Skidoo ZX Series Service Manual, Page 266Get this manual

Section 05 ENGINES (4-TEC) Subsection 06 (CYLINDER AND CYLINDER HEAD)
R1004motr88A

engine outlet hose air intake manifold (refer to COMPONENT INSPECTION AND ADJUSTMENT) chain tensioner (refer to CHAIN TENSIONER) valve cover (refer to VALVE COVER) valve cover and profile sealing ring (see VALVE COVER above) breather (refer to BREATHER) decompressor (refer to DECOMPRESSOR) camshaft timing gear (refer to CAMSHAFT TIMING GEAR) cylinder head screws M6 no21

1Camshaft locking tool 2Camshaft on TDC position

Install the camshaft timing gear with the writing visibleIMPORTANT: Make sure that tensioner is in place and properly preloaded before tightening sprocket screwsFit the screws with Loctite 243Torque screws to Nm (80 lbfin)CAUTION: Crankshaft and camshaft must be locked on ignition TDC position of cylinder (front-side) to place camshaft timing gear and timing chain in the proper positionR1004motr89A

• ATV
• Jet Ski
• Outboard Motors
• Personal Watercraft
• Snowmobiles
• Stern Drives