www.changlin.com.cn 1/2 Inch Drive, 3824591 Barring Gear Locate Top Dead Center (TDC) for Cylinder Number 1 by rotating the crankshaft slowly while pressing on the engine timing pin. The barring gear inserts into the flywheel housing and engages the flywheel ring gear. The engine can then be rotated by hand using a 1/2 inch ratchet or breaker bar. When the engine timing pin engages the hole in the camshaft gear, Cylinder Number 1 is at TDC on the compression stroke. Caution: Be sure to disengage the engine timing pin after locating TDC to prevent damage to the engine timing pin. Feeler Gauge Intake Clearance: 0.30 mm [0.012 inch] Exhaust Clearance:
0.61 mm [0.024 inch] Check/set valves with engine cold-below 60°C[140°F]. NOTE The clearance is correct when some resistance is "felt" when the feeler gauge is slipped between the valve stem and the rocker lever. 55 / 149 pages