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Boat Lift Help


guitarcrazy

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Our new 2021 LSV 23 is heavier than our 2017, so I sold our 5500# lift and upgraded to a 7000# lift.  I am almost ready to put it in the water, but I need to set the bunks first.  My old lift only had two bunks, and the 7000# lift has 4.  The hull on the 2021 is a bit different from the 2017, so I am not sure how to best locate the bunks.  Anyone out there with a boat lift that can give some suggestions on good starting locations for the bunks?  I would rather not move them repeatedly while it is in the water.  Thanks for any help.  

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Thanks.  I have 4 bunks now so not really sure how to setup the extra set.  I guess I'll give it a go and float the boat on by hand and hope for the best.  

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I have the exact same question. I am using a friend's while malibu is building mine(hopefully next week) but the measurement I took off the trailer bunk was 47 in the back and 53 in the front. That's the outside long bunk. Does that sound right? (2021 23 LSV) 

Edited by Bman1
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I pick up our '21 23 LSV this Thursday.  The Dealer-recommended specs for bunks is 33" spacing for 2 parallel, with at least 10" of clearance from the frame for the tracking fins - 18" for outdrive clearance.

I need to order bunk riser extensions, and the lift manufacturer recommended using 4 vs 2 bunks.  Anyone have thoughts on this and spacing recommendations for the 2nd pair?

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32 minutes ago, SavageCarl said:

I pick up our '21 23 LSV this Thursday.  The Dealer-recommended specs for bunks is 33" spacing for 2 parallel, with at least 10" of clearance from the frame for the tracking fins - 18" for outdrive clearance.

I need to order bunk riser extensions, and the lift manufacturer recommended using 4 vs 2 bunks.  Anyone have thoughts on this and spacing recommendations for the 2nd pair?

Most boat lifts I am familiar with are only running two.  However, if you were to run 4, I would space them out further than the 33" and they would need to be taller as well to fit flush. 

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32 minutes ago, bcoppess23 said:

Most boat lifts I am familiar with are only running two.  However, if you were to run 4, I would space them out further than the 33" and they would need to be taller as well to fit flush. 

The 7,500# hoist I bought a couple years ago for our VLX came with 4 bunks.  However, they mounting brackets are 2 different sizes.  The taller ones are the only ones that allow for the necessary depth to keep the fins clear when loading and unloading.  It barely fits compared to the VLX.  I could not use the second set of bunks without new brackets.  FWIW, I've spaced my bunks based on the trailer to start with then measured the C/C line of the stringers and matched that dimension.  It seems to me that having the boat weight bear on the bunks directly under the stringers is the most appropriate location.  If I used the other bunks, the would be spaced like the outter most bunks on the trailer however I'm not sure that's necessary.  There are no hoists I'm aware of on our lake with 4 bunks and there are a few 23 LSV's our there, a couple G23's, and a couple MC's on the lake.  All the MC's are XT22 or NXT22, so a bit of a different animal.  

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On 5/3/2021 at 6:21 PM, hethj7 said:

I agree the boat doesn’t need four bunks as two is very common.  I would be asking the lift dealer why 4 is needed and if the lift requires it for distribution of weight.  Hopefully not.  

The lift manufacturer suggested 4 bunks as more of a guide to proper alignment.  I followed up with him and it has nothing to do with weight distribution or load capacity for the lift.  He must see some interesting results from people being poor landers!

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