OTC 5609 Cylinder Leakage Tester Kit - Quickly diagnose internal engine problems such as bad rings, valves and leaking head gaskets. Kit come complete with adapters for most applications. Features include, Dual 2-1/2" gauges feature chrome bezel and rugged protective outer boot, Scales read 0-100 psi and 0-700 kPa, Pressure regulated manifold includes quick couplers, Long flex 24" 14 mm hose, 10 mm, 12 mm and 18 mm thread adapters, Blow molded hard case with removable lid.

Due to standard engine clearances and normal wear, no cylinder should be expected to maintain a perfect no-leak reading. It is important that all cylinders have a relatively constant reading. A difference of 5 psi between cylinders is satisfactory. A difference of 10-15 psi indicates the need for further investigation.

Test Results
By listening or looking for the following, the cause of low pressure can be determined:
Air escaping from crankcase breather......	Defective rings or worn cylinder walls
Air escaping from exhaust system...........	Defective exhaust valve
Air escaping from carburetor..................	Defective intake valve
Air bubbles in radiator...........................	Leaking head gasket or crack in block or head

Warning: This product may expose you to chemicals including lead which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov