24. SERVICE PROCEDURE 24.6.4 CHECK & ADJUST VALVE CLEARANCE 1. Adjusting the valves Remove the valve covers. 2. Locate Top Dead Center (TDC) for Cylinder Number 1 by rotating the crankshaft slowly while pressing on the engine timing pin @ 3. When the pin engages the hole in the camshaft gear, Cylinder Number 1 is at TDC on the compression stroke. CAUTION: Be sure to disengage the pin after locating TDC. Valve clearance intake: 0-254 mm (0-10 inch) exhaust: 0-508 mm (0-020 inch) Check/set valves with engine cold - below 60°C (140°F) NOTE: The clearance is correct when some resitance is ‘felt’ when the feeler gauge is slipped between the valve stem and the rocker lever.
— SS Camshaft Gear = Engine Timing Pin -a\~ ae PC160/180/200-6k-ENG ph cone Housing 3-69