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Yamaha F9.9AE Head/block Pee hole blocked

jimthesail

New member
Ahoy !
Removed head as choked with what looked like washing detergent ! (Inland waterways).
Cannot find channel between head/block and the chambers outside the exhausts to which the brass pee hole unions are fixed.
This chamber runs through head gasket, has a step at each end, a blanking plug at the top under the cam cover but no holes. Help !
Jim
 
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