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Vibration coming out of the hole

Rico226Rico226 Posts: 33 Baller
I have a 09 Ski Nautique 196. It vibrates when pulling up heavier skiers (170 lbs +). It goes away after the initial get up, but it is considerably noticeable. It is weird, as there is no vibration when normal throttling the boat to plane or when pulling up the wifey at 125 lbs. I assume the prop is the first place to start and have it reconditioned or could it be something else ? Anyone had this issue before ?

Comments

  • Chuck_DickeyChuck_Dickey Posts: 1,462 Crazy Baller
    edited July 2014
    My guess is the extra torgue is why you are noticing it. I'd check the prop for dings or bent blades, also the strut bearing may be worn out.
  • thompjsthompjs Posts: 537 Solid Baller
    Take it to prop shop, even if blades don't look that dinged up the pitch can change a bit and cause vibrations.
  • boarditupboarditup Posts: 585 Crazy Baller
    check the bolts for the tranny to the prop shaft.
    Karl DeLooff - Powered by the wind
  • WaternutWaternut Posts: 1,511 Crazy Baller
    I'd be more inclined to think the driveshaft is warped or the coupler between the driveshaft and tranny is loose. Yes, the vibrations are more noticeable during heavy torque but my prop needs some serious tuning up (aka I can see damage) and I don't notice vibrations during take off with heavy people or when carrying 6-7 people in my boat and pulling someone up.

    I'd also visually check the engine and tranny mounts to see if anything looks loose.
  • A_BA_B Posts: 4,141 Mega Baller
    Weeds on the shaft will cause vibration, and heavier skiers need more rpm, so worse. You haven't said what you have checked, so thought it would throw that out.
  • Jim NeelyJim Neely Posts: 291 Baller
    I have a 99 Nautique that I bought this spring. Same problem. The prop looked fine but the problem went away when I swapped props. The prop looked fine but one blade was so far out that it couldn't be rebuilt.
    68" Vapor
    DanEWaternut
  • skiepskiep Posts: 303 Solid Baller
    I tend to think its a strut bushing worn. Over due for replacement. Jody???
  • jhughesjhughes Posts: 941 Mega Baller
    @skiep +1 I agree that worn strut bushing would be the first place I'd look.
  • Rico226Rico226 Posts: 33 Baller
    No visual damage to prop, will have the other items checked, trying to make it to fall before putting it in a shop or sending the prop off, @rico vibrates no matter if pulling up straight or into a turn around island
  • A_BA_B Posts: 4,141 Mega Baller
    Rico, if the boat is out of the water, can you easily turn the prop? It should be a little hard to turn if there is no water running through the strut. I don't know if there is a definitive test for this, just know they are harder to turn than you would think without water...
  • jhughesjhughes Posts: 941 Mega Baller
    See if you can wiggle the prop/shaft back and fourth in the strut log. If there is play there it's time for new strut bearings.
    Rico226
  • Rico226Rico226 Posts: 33 Baller
    @rico do not feel any coming from the steering wheel
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