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1992 Yamaha 40 MSHQ lower water pump housing
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<blockquote data-quote="turbotodd" data-source="post: 485250" data-attributes="member: 7376"><p>Just to add, it doesn't take salt to corrode a motor. Brackish freshwater will do it too, just takes longer. And, I've seen improperly grounded boat houses--and improperly installed 110v chargers, etc installed on tin boats, and have seen the entire lower unit rot off, the hull gets pitted, in one case I got to the customer's boat house and could actually see tiny bubbles all around the boat (electrolysis). Just wanted to point this out as salt isn't the only killer to outboards. Yes grease on all threads if you ever want them to come back apart again!! I too have scrapped motors because the labor to remove parts with broken bolts exceeded the value of the running/working motor. Drilling stainless steel is a pain in the butt, labor intensive, eats drill bits and drill motors, and there are times when it's just impossible to get a broken bolt out, so you have to replace the component anyway.</p></blockquote><p></p>
[QUOTE="turbotodd, post: 485250, member: 7376"] Just to add, it doesn't take salt to corrode a motor. Brackish freshwater will do it too, just takes longer. And, I've seen improperly grounded boat houses--and improperly installed 110v chargers, etc installed on tin boats, and have seen the entire lower unit rot off, the hull gets pitted, in one case I got to the customer's boat house and could actually see tiny bubbles all around the boat (electrolysis). Just wanted to point this out as salt isn't the only killer to outboards. Yes grease on all threads if you ever want them to come back apart again!! I too have scrapped motors because the labor to remove parts with broken bolts exceeded the value of the running/working motor. Drilling stainless steel is a pain in the butt, labor intensive, eats drill bits and drill motors, and there are times when it's just impossible to get a broken bolt out, so you have to replace the component anyway. [/QUOTE]
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1992 Yamaha 40 MSHQ lower water pump housing
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