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Thread: Prop Shaft and Strut Replacement
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12-07-2016, 10:41 AM #1
Prop Shaft and Strut Replacement
I have a 2008 Mobius LSV with the dripless shaft seal and I have had what I thought was a prop growl since I have owned it. I replaced the stock OJ wakeboard prope with the ACME 1847 and the growl never went away. Well I was crawling underneath it and it seems that the shaft is not centered in the hole that it comes out of in the bottom of the boat. In fact it is so far off center that it's touching the brass ring it passes through. The strut maybe appears to be bent when looking at it from the back but its hard to tell but I am thinking that since the shaft is not center than it must be bent and this it most likely the cause of my growl. Has anyone replace the strut and shaft before on a boat with the dripless shaft seal? Can someone post a how too or some pointers on getting this done, I think I am going to tackle this before spring and see if the boat runs smoother. Also I am over 500 hours so would it be a good idea to go ahead and replace the shaft seal while i have this all removed?
David
2017 Moomba Mojo Max Surf Edition, 2 Pair Wetsounds Rev10s powered by an SD2, 6 pair Wetsounds XS650M and Wetsounds XS12 powered by SD6 all controlled by a WS420. 2 Lumitec SeaBlaze X2 Spectrum underwater lights
SOLD***2008 Mobius LSV, Gravity III , Wake Plate, Z5, Exile SX65c's, Exile XM9s, Exile XI12D, Exile Javelin, Exile 30.2***SOLD
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12-07-2016, 11:33 PM #2
Have you ever checked your alignment?
09 21v LAUNCH
99 Outback LS. Sold
run your engine after you change your oil
68 th Member. WS420,HSE Revolution, OJ 466, Acme1157,1100 sacs,Kicker HLCD's n IX500.4, Supra Coolies
Doug
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12-07-2016, 11:48 PM #3I am thinking that since the shaft is not center than it must be bent
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12-08-2016, 07:29 AM #4
I tried to check it once, took all the bolts out of the shaft coupler and the shaft didn't move to try to realign itself, still rubbed on the brass through hull. I was worrried I wasn't doing it right so I had the dealer do it and it still growled / buzzed / vibrated.
Sent from my iPhone using TapatalkDavid
2017 Moomba Mojo Max Surf Edition, 2 Pair Wetsounds Rev10s powered by an SD2, 6 pair Wetsounds XS650M and Wetsounds XS12 powered by SD6 all controlled by a WS420. 2 Lumitec SeaBlaze X2 Spectrum underwater lights
SOLD***2008 Mobius LSV, Gravity III , Wake Plate, Z5, Exile SX65c's, Exile XM9s, Exile XI12D, Exile Javelin, Exile 30.2***SOLD
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12-08-2016, 08:15 AM #5Senior Member
- Join Date
- Oct 2004
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- Middle TN
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Can you spin the prop by hand?
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12-08-2016, 10:50 AM #6David
2017 Moomba Mojo Max Surf Edition, 2 Pair Wetsounds Rev10s powered by an SD2, 6 pair Wetsounds XS650M and Wetsounds XS12 powered by SD6 all controlled by a WS420. 2 Lumitec SeaBlaze X2 Spectrum underwater lights
SOLD***2008 Mobius LSV, Gravity III , Wake Plate, Z5, Exile SX65c's, Exile XM9s, Exile XI12D, Exile Javelin, Exile 30.2***SOLD
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12-08-2016, 11:12 AM #7
You would want to make the alignment by moving the engine/v-drive mounts. The allow for up and down and left and right movement and alignment is check with a feeler gauge. However, you dont want align the engine to compensate for a bent strut. If you have a bent strut, good chance you have a bent shaft.
Touch spot not knowing if it was ever in good alignment and if the the strut ever struck anything in the lake like bottom or a log. Both the shaft and strut can be checked for trueness.
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12-08-2016, 11:33 AM #8
Yeah I know how you check the alignment. I'm just saying if the alignment was far enough off that it's causing the shaft to rub on the brass thru hull then it would be in a decent bind. When you take the bolts out it would try to straighten itself out a little but that was not the case which leads me to believe that we just aligned the engine and v drive to a bent strut/shaft. In any case, the dealer quoted me $900 to replace the shaft and strut. $600 in parts and $300 for labor. I priced the parts on skid in and $600 sounds right so is it worth the hassle to save $300 and attempt it myself or should I just let the dealer do it?
Sent from my iPhone using TapatalkDavid
2017 Moomba Mojo Max Surf Edition, 2 Pair Wetsounds Rev10s powered by an SD2, 6 pair Wetsounds XS650M and Wetsounds XS12 powered by SD6 all controlled by a WS420. 2 Lumitec SeaBlaze X2 Spectrum underwater lights
SOLD***2008 Mobius LSV, Gravity III , Wake Plate, Z5, Exile SX65c's, Exile XM9s, Exile XI12D, Exile Javelin, Exile 30.2***SOLD
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12-08-2016, 01:11 PM #9Shane
2016 Supra SE
EXILED
6 XM9 Tower
6 Wetsounds XS650 Cabin
1 EXILE BIG 12 DVC 2000 watt in a ported box
1 XM 15.4
XI 1500.1
2 MX 30.2
Wetsounds 420 EQ
EXILE Blue tooth EXBT4
Blue LEDs
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12-08-2016, 03:04 PM #10David
2017 Moomba Mojo Max Surf Edition, 2 Pair Wetsounds Rev10s powered by an SD2, 6 pair Wetsounds XS650M and Wetsounds XS12 powered by SD6 all controlled by a WS420. 2 Lumitec SeaBlaze X2 Spectrum underwater lights
SOLD***2008 Mobius LSV, Gravity III , Wake Plate, Z5, Exile SX65c's, Exile XM9s, Exile XI12D, Exile Javelin, Exile 30.2***SOLD