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Discussion Starter · #1 ·
I recently wiped down my engine compartment and found that my top lock nuts on the engine mounts were not tight. I don't think those nut move, but maybe the alignment nuts underneath have? the threads are a little rusty under the lock nut so this isn't recent. Has anybody heard of this hapening? 288 Sunsation with HP500EFI:mad:
 

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can't say I have...
I have a 496/HO and checked the nuts on mine when I put the batteries back in last month...mine were tight....

???

- jeff
 

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Discussion Starter · #3 ·
I'm pulling the drive tonight, have a mech coming to check the alignment. Who knows mabe I'll pick up a MPH.
 

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The bottom nuts will drop out if the tabs are not correctly bent up,,, if the top nut has not moved, just bring the bottom nut back up tight and bend the tabs to lock the nut and you should be ok......If possible, take some weight off the motor, it will make it easier.
 

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Discussion Starter · #5 ·
I can't be positive the top nuts did not move. for the time it takes to pull the drive I may as well and be sure. I can squeze some grease in those u joints aswell. But in thery your right, thanx for the option.
 

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Discussion Starter · #7 ·
I thought about that Tom, they are allready sending me a new feul gauge at no cost, and this seemed pretty strieght forward. I'm not impressed that this has happened but I don't believe there is a trouble free hight performance boat out there anywhere.I'll have her fixed by 6:00, enjoying a rum and icetea!!
 

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I wrecked a coupler because of that very problem. Now have an alignment tool and check it twice a year, has not moved since, but it is good to check and grease up everything again.
 

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Discussion Starter · #10 ·
Hey Wildchild, how long do you think you were out of alingment? I'm sure I've been out for some time.
 

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Had the same problem with my boat when new. Locking tabs were not bent down when the engine was installed. Just leave the locknuts on top alone and bring the engine back up to the locknuts from the bottom by tightening the nut underneath. Be sure to keep those tabs bent tight against the bottom nut. I have checked my alignment several times and it has never been out after I raised the motor back to those locknuts.
 

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Iam not sure how long it was out. I bought a boat brand new and it was my first I/O and the dealer told me nothing on the alignment or about how you should grease the coupler every 30hrs. :mad: So I was actually guilty of both. A buddy of mine ran hard for a over a good period of time with it way off but kept it well greased and it looked fine when we alingned it back up. pull off the outdrive and take a flashlight and look inside you will see the coupler. if the splines are worn they will be sharp or come to a point. with alot of metal filings, if not bolt the out drive back on and give it hell.
Mark:D
 

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Discussion Starter · #13 ·
She's already together, didn't look at the coupler, was more interested in a beverage at the time, once we had her aligned. Like you say, I'll drive it, see what happens.
 
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