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Nuts and bolts or clamps?
Charing	#1  Posted on 03/07/10 - 4:14 PM
Member Personal Page Posts: 26 Comments: 1 Joined: 11/02/08	I am in the process of restoring my1960 Sport 13 to short-shaft configuration. After removing the long-shaft Nissan 30hp and the aluminum bracket that accommodates it (Anyone interested in the bracket?) I have a '96 short-shaft Johnson 30hp to mount on her. It has the typical transom clamps built in for attachment, and also cast grommets for through-transom nut-and-bolt attachment. I have through-transom holes to fill left by the bracket, and I don't feel like drilling any more unnecessarily. Is there any reason why I have to? Am I OK counting on the clamp attachments alone to do the job? charing
whalerman	#2  Posted on 03/07/10 - 4:40 PM
Member Posts: 540 Comments: 5 Joined: 06/26/07	Hi, I had a 13' with a 40 hp johnson, '66, that had the clamps and I never did have a problem with that set up. There was an aluminum plate, from OMC I believe, that the clamps were in contact with. It fit on the inside of the transom. If you have access to a BRP, was OMC, dealer they may be able to get one from the accessories data. If not Google and E-bay it. Good luck. Also the clamp handles have a hole in them and if you can wire them together so they don't work loose. Edited by whalerman on 03/07/10 - 4:43 PM THOM : 1999 Outrage 18, 2012 E-TEC 150, 2012 EZ Loader trailer
DWinter	#3  Posted on 03/08/10 - 4:32 AM
Member Personal Page Posts: 252 Comments: 0 Joined: 01/02/10	For use it's fine. My only concern would be ease of motor theft if the boat is left unsecured Duane G Winter 1984 BW Sport 15 Center Console
Derwd24	#4  Posted on 03/08/10 - 7:14 AM
Member Posts: 1607 Comments: 9 Joined: 05/09/07	You could try something like this, it would both keep the clamps tight and prevent the possibility of theft. Outboard Motor Lock Dave - 1983 Outrage 22
number9	#5  Posted on 03/08/10 - 7:48 AM
Member Posts: 210 Comments: 1 Joined: 03/13/08	Don't know about the other manufactures but Yamaha now says to through bolt using the bracket holes in addition to clamping. This is to prevent losing the motor overboard. Some outboards have a ring of some type for attaching a safety cable. If you do some research it has been recommended for years to have some type of secondary attachment. I've done it in the past myself but why take the risk of losing your motor and day? Bill...On the Ogeechee 1984 Outrage 18...Yamaha T50...that's right, 50hp
CES	#6  Posted on 03/08/10 - 9:25 AM
Member Personal Page Photo Albums Project Albums Posts: 2681 Comments: 7 Joined: 04/27/07	Though you may be able to zip tie or lock the clamp handles in place to keep them from loosening, it's still best to bolt them in place too. My 40hp yamaha is clamped and bolted in place. Cliff 1966 13' Sport with a 1993 40hp Yamaha 2 Smoker
Charing	#7  Posted on 03/08/10 - 3:05 PM
Member Personal Page Posts: 26 Comments: 1 Joined: 11/02/08	Thanks for all the advice. As usual you guys give me plenty to think about. I think I'll bolt her in place once I've tested her performance. Watch for a much larger up-coming question about cracks in the corners of the transom. It is going to take me awhile to compose it and send pictures. Thanks again, Charing