2000-2003 Honda TRX350 Rancher factory service manual, Page 108Get this manual
CYLINDER HEADVALVE CYLINDER HEAD AND ROCKER ARM HOLDER Remove the following: exhaust system (page 2-10) carburetor assembly (page 5-4) timing hole cap Rotate the crankshaft clockwise using the recoil starter knob to align the mark on the flywheel with the index mark on the rear crankcase coverMake sure the piston is TDC (Top Dead Center) on the compression strokeThis position can be obtained by confirming that there is slack in the rocker armIf there is no slack, it is because the piston is moving through the exhaust stroke to TDCRotate the crankshaft one full turn and match up the mark againRemove the following: spark plug cap two bolts and insulator upper engine hanger bolts and nut hanger bracket and mounting rubbers HANGER BRACKET INSULATOR