Sierra Marine Service Tools Catalog

ELECTRICAL / ENGINE Compression Tester 18-9800 Perfect for hard to reach bottom spark plug holes on older Mercury models. DEEP WELL Compression Test ADAPTER 18-9902 For deep well spark plug holes to perform compression testing. Works with 18-9900 compression tester. • 14mm and 18mm threads • Reaches 8” beyond the installation surface SMARTACH 18-9913 Designed for use on any engine equipped with an alternator, and only requires a simple connection to the electrical system (e.g. battery, alternator, cigarette lighter connector) to measure engine RPM. Taking advantage of the ripples generated by the alternator, SMARTACH automatically calculates the relationship between the speed of the engine and the alternator ripples, and uses them to measure RPM on any piston engine regardless of its ignition system (Diesel or gasoline). • Measures from2.5 to 99999 RPM • 0.05% accuracy • 2 to 20” measuring range • Laser-powered optical system • Large 4½ digit LCD display • For 1 to 12 cylinders and 2 or 4 cycle engines • Memory recall functions (minimum&maximum) • Comes with hard shell carrying case CARRYING CASE INCLUDED