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Outboard Mounting Bolt Pattern
sporty15	#1  Posted on 04/19/06 - 4:59 AM
Member Posts: 10 Comments: 0 Joined: 03/07/06	Hello, I am refinishing a Sport 15 and the previous owner had a 30 HP clamp-on motor installed. I want to pre-drill the holes in the transom to mount another motor before I paint the boat. Are the bolt hole location dimensions standard for all engines in the 50 to 70 HP range or will I have to wait until I get the motor before I drill? If the mount hole locations are standard, what are the dimensions? Thanks in advance, Sporty 15 Edited by Tom W Clark on 04/19/06 - 8:50 AM
Tom W Clark	#2  Posted on 04/19/06 - 8:49 AM
Member Personal Page Posts: 4280 Comments: 7 Joined: 09/30/05	The mounting bolt pattern of most large outboards today has been standardized. You can find the dimensions of this bolt pattern here: http://continuouswave.com/whaler/refe...ce/FAQ/#Q9
Jeff	#3  Posted on 04/20/06 - 6:01 AM
Member Posts: 1987 Comments: 34 Joined: 04/02/05	Most Mechcanics should have a "HANG ON" metal template that hangs over the transom and has center line markings and prelocated drill shafts. I makes things very easy. You just have to have a good enough relationship with you mechcanic for him to let you barrow it. 1993 23' Walkaround Whaler Drive