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jason browne

Prop shaft has movement in strut

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jason browne

Hi, I just took off the propeller on my '91 f3 skier. How much movement tolerance is there, if any, in the strut where the shft pases thru? Are these 2 bushings, or bearings. I can move the shaft apx. 1/32" each side from center. Would this amount cause a vibration in the drive line? Thanks, Jason

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footnlongline
Hi, I just took off the propeller on my '91 f3 skier. How much movement tolerance is there, if any, in the strut where the shft pases thru? Are these 2 bushings, or bearings. I can move the shaft apx. 1/32" each side from center. Would this amount cause a vibration in the drive line? Thanks, Jason

That will do it. See if the allen screws in your strut are tight, if they are you may need to replace your cutlass bearing.

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jason browne
Hi, I just took off the propeller on my '91 f3 skier. How much movement tolerance is there, if any, in the strut where the shft pases thru? Are these 2 bushings, or bearings. I can move the shaft apx. 1/32" each side from center. Would this amount cause a vibration in the drive line? Thanks, Jason

That will do it. See if the allen screws in your strut are tight, if they are you may need to replace your cutlass bearing.

I will check today...so there is a 0 tolerance for movement? Do you have to remove the shaft to replace. Is it one or two in there? Thanks Jason

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98mallybu

I will check today...so there is a 0 tolerance for movement? Do you have to remove the shaft to replace. Is it one or two in there? Thanks Jason

Yup, there should be zero wiggle room in the strut, imagine if there was wiggle room when your running at 4000 RPM's. You need to get those strut bushings replaced (also called cutlas bearings) there are two of them, one on each end of the strut. You have to cut the old ones out and press the new ones in. I had to do it on my Response. It was a pain in the butt but it got rid of the minor vibration i was getting in the boat.

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jason browne

Can you install these with the strut on the boat? Jason

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JasonK

How bad did it vibrate?

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