Transom Drilling Fixture
TRANSOM DRILLING FIXTURE Used to correctly place holes for mounting brackets for 75 HP engines. Factory instructions: Johnson Service Bulletin SB-763 (February 11, 1960). Describes fixture positioning, transom drilling, and mounting precautions. |
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A little factory history: SB-736 promised this drill fixture could also be used for the clamp kit. SB-765 later corrected that claim. Apparently, even the factory had to check its homework: use the separate drilling chart for clamp kit #378091.