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how high can i trim my bravo3 at idle? please advise!!

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Old 02-23-2006, 07:51 AM
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Default how high can i trim my bravo3 at idle? please advise!!

were down here in the florida keys with the Z302. to get out or in of our canel i have to trim my drive up in trailer mode. is this ok? i dont go above idle(800rpm). i dont trim it all the way up, just high enough so i dont drag(thank god it's not hard coral bottom, just silt!) i'm here for three more weeks. i probally have to travel 400yards with the trim like this. thanks in advance!
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Old 02-23-2006, 07:58 AM
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Default Re: how high can i trim my bravo3 at idle? please advise!!

Trailer mode=Blown U joint in the future
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Old 02-23-2006, 08:05 AM
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Default Re: how high can i trim my bravo3 at idle? please advise!!

I don't recommend it, but I also have to do that on occasion.

If you hear or feel the u-joint getting in a bind. Then obviously that's too high.

My u-joint which is checked 3-4 times a year has been on for 4 seasons with 600hp.

The key is lowest idle possible and pull out of gear as much as you can once you are making headway to avoid sucking too much mud into motor.

No body wants to do this, fact is you will have too in tidal areas.

Last edited by Wobble; 02-23-2006 at 10:07 AM.
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Old 02-23-2006, 08:09 AM
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Default Re: how high can i trim my bravo3 at idle? please advise!!

It's definately not advisable, but sometimes you have to do it. The U-joint will start complaining when it's binding, so you'll know. If you absolutely have to, keep it to a minimum.
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Old 02-23-2006, 08:27 AM
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Default Re: how high can i trim my bravo3 at idle? please advise!!

Had to do that a lot last year.

Going to replace the u-joint this spring.
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Old 02-23-2006, 09:29 AM
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Default Re: how high can i trim my bravo3 at idle? please advise!!

its not a good idea at all to trim drive in trl mode even alittle because it binds the u joints and could end up costing you a transom assy.....
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Old 02-23-2006, 09:33 AM
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Default Re: how high can i trim my bravo3 at idle? please advise!!

Hey Off the subject but how to you like the boat is it single engine?
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Old 02-23-2006, 10:12 AM
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Default Re: how high can i trim my bravo3 at idle? please advise!!

well,it looks like i'm screwed. i can't get out without triming it up in trailer mode. i even put all passangers up in the bow to keep the drive up as high as possible. our neighbor says it's been unusally low lately. maybe the tide will come up a bit. i dont feel any binding or wierd vibrations or noises. i see on the depth guage about 1.7feet when tide is at low. 2.3 at high. this sucks. i guess i'll cross my fingers and hope it holds up for the month, then get it servised when i get home.
BOOMER: we like the boat alot. were from suffield. we keep our boat at seaboard marina. you have probally seen us out at the sandbar or harbor park. it's a single engine 502 with a bowrider.
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Old 02-23-2006, 04:39 PM
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Default Re: how high can i trim my bravo3 at idle? please advise!!

I wonder if there is also a slight chance of damage to the bearings, drive housing and possible gears in the drive. Your putting a lot of side ways pressure on that drive shaft as the u-joint rotates in the extreme trim position.
Yes, no??? Possible by theory, but not likely???

Put your swim suit on and walk it out.
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Old 02-23-2006, 04:43 PM
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Default Re: how high can i trim my bravo3 at idle? please advise!!

There is a measurement across the trim cylinder mounting bolts that is not to be exceeded when running.
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