2007 Arctic Cat ATVs 400/500/650/700 Service Manual, Page 297Get this manual
27Remove the lower rear through-bolt; then free the engine from the engine mounting brackets28Lift the front of the enginetransmission far enough to disengage the front drive spline from the engine; then remove the engine from the left-side of the ATV 1Remove the cylinder head coverAccount for gasket and four seal washers
2Check and record valve tappet clearance for reference when assembling (see Section 2)FI102
3Remove the eight cap screws securing the camshaft holders to the cylinder head4Install two alignment studs in the exhaust camshaft holder; then carefully remove the cam shaft holderAccount for two alignment pins
Top-Side Components
NOTE: For efficiency, it is preferable to remove and disassemble only those components which need to be addressed and to service only those componentsThe technician should use discretion and sound judgment