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Author Topic: '95 K75RT vibration/noise below 2500 rpm  (Read 1809 times)

Offline REGerlach

  • Curious
  • Posts: 5
  • Live Slow Sail Fast
'95 K75RT vibration/noise below 2500 rpm
« on: September 04, 2019, 02:26:52 PM »
There is a low frequency vibration that occurs upon take off and always disappears at 2500 rpm.
Any comments or suggestions?
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  • Swanton, MD
  • 1995 K75RT
Rob in Greensburg, PA

Offline The Mighty Gryphon

  • Administrator
  • ^ Quintessential Motobricker
  • Posts: 6658
Re: '95 K75RT vibration/noise below 2500 rpm
« Reply #1 on: September 04, 2019, 03:54:20 PM »
I'm guessing the sloppy fit between the output shaft and the balance shaft.  Rattles and clanks between 1500 and 2000rpm on my K75RT.
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  • In my garage in Marilla, NY
  • '91K100RS White/Blue
Current:
'91 K100RS16V "Moby Brick Too"

Past:
'94 K75RT "Ilsa, She Wolf of the SS"
'92 K100RS16V "Moby Brick" (RIP, deceased in a vehicular assault)
'94 K75S Special Edition Dakar Yellow "Cheetos"
'89 K100RS Special Edition "Special Ed"

Offline REGerlach

  • Curious
  • Posts: 5
  • Live Slow Sail Fast
Re: '95 K75RT vibration/noise below 2500 rpm
« Reply #2 on: September 06, 2019, 10:04:11 AM »
Thank you very much!
Thought it might be the resonant frequency of the Fairing.   Guess not.
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  • Swanton, MD
  • 1995 K75RT
Rob in Greensburg, PA

Offline beemuker

  • ^ Quintessential Motobricker
  • Posts: 1110
Re: '95 K75RT vibration/noise below 2500 rpm
« Reply #3 on: September 06, 2019, 10:35:58 AM »
Quote from: REGerlach on September 04, 2019, 02:26:52 PM
There is a low frequency vibration that occurs upon take off and always disappears at 2500 rpm.
Any comments or suggestions?
My 75s does it too. These engines don't seem to enjoy low RPM's
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  • Panama City, FL
  • '00 R1100RT,’92 K75 RT,past tense:'83 R80ST, '93 K1100LT,,94 R1100RS K75s, Honda NC700, Suzuki Bandit 1200, bmw R75/5 Honda 750
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