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Author Topic:   engine mounting
63WHALER posted 07-10-2002 05:16 PM ET (US)   Profile for 63WHALER  
When mounting engine to transom is there a special bedding compound for this? Can anyone reccomend a sealant/adhesive for this? Would 3m 4200 be a good choice? Would like to know what others are using to do this or dealers are using.
Thanks in advance for any responses.


Tom W Clark posted 07-10-2002 06:30 PM ET (US)     Profile for Tom W Clark  Send Email to Tom W Clark     
Most of the dealers around here use silicone. 3M 4200 would be OK as would 3M 101. Basically anything that will be waterproof but removable. This is an instance where 3M 5200 is less desirable because of its tenacity.
Bigshot posted 07-11-2002 09:30 AM ET (US)     Profile for Bigshot  Send Email to Bigshot     
I assume you mean just the bolts.
63WHALER posted 07-11-2002 05:02 PM ET (US)     Profile for 63WHALER    
More than just bolts. When engine was taken off looked like an off-white silicone around bolts & plate. Can I get by just doing around bolts? Thought I saw something in catalogue made specifically for "bedding" engine to transom. The silicone was visible around plate from squeeze-out, looked original or dealer install.
Bigshot posted 07-12-2002 11:08 AM ET (US)     Profile for Bigshot  Send Email to Bigshot     
No need to bed the engine. Bolts allow water to enter the hull, the engine does not. I have NEVER bedded an engine. A skim coat would not hurt in that it would keep water from getting behind the engine bracket and corroding it over time.....on the flip it can trap water and cause it to corrode. Hence I just do the bolts.

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