COOLING SYSTEM SECTION - 5
Page 2 / 4 90-899883183 DECEMBER 2007
Specifications
Refer to Seawater Pump Output Test Section 9 to determine if a sufficient amount of water is
being supplied to cool the engine.
Alpha sterndrive seawater pump output for a 15 second period
Drive unit gear ratio Minimum quantity liter (U.S. qt)
2.40:1 1.3 (1.4)
2.00:1 1.6 (1.7)
1.81:1 1.4 (1.5)
1.62:1 1.6 (1.7)
1.47:1 1.8 (1.9)
Seawater Pickup
For information on sterndrive water inlet connections, refer to Section 6 after engine installation.