Compatible with motors: 5 hp 1990-1998 ; 7.5 hp 1988 1989; 9.9 hp 1988-1998. Compatible with motors: 15 hp 1988-1998 ; 25 hp 1996 1997 1998. Compatible with fuel primer bulb found on the front of the motor (not the one located on the fuel hose coming from the tank).. This primer threads into a pre-tapped hole at front of the motor..
