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Prop shaft has movement in strut

jason browne

By jason browne,
in Maintenance, Tech Info & Troubleshooting

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jason browne Wrench Monkey

jason browne

Posted
Posted

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 Crew Devotee

footnlongline

Posted
Posted
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 Wrench Monkey

jason browne

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Posted
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 Trailer Polisher

98mallybu

Posted
Posted

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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