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Author Topic: Water/oil pump weep hole  (Read 3966 times)

Offline conybeare

  • ^ Motobrick Curious
  • Posts: 96
  • Conybrick
Water/oil pump weep hole
« on: February 13, 2012, 06:07:38 PM »
Hello all,

Probably a dumb question, but do all K75/100/1100 water/oil pumps have weep holes? I have oil in my coolant, but when I took a peek under the pump, I didn't see a weep hole. Maybe I'm just missing it... :hmm:

Thanks!
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  • Saint Paul MN
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Nothing :o

Previous: 2004 R1100S, 2009 Yamaha FZ6,1990 K75S, 1986 K75C, 1984 Honda VT500 Ascot, 1981 Suzuki GS250T

Offline frankenduck

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Re: Water/oil pump weep hole
« Reply #1 on: February 13, 2012, 06:10:49 PM »
It's hard to see and they sometimes get clogged but yes, you have one.
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Once I had a Collie pup. Dug a hole and covered him up. Now I sit there by the hour. Waiting for a Collie-flower.
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Rick G

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Re: Water/oil pump weep hole
« Reply #2 on: February 13, 2012, 06:52:56 PM »
The exit of the weep hole is not actually on the pump but at the front edge of the sump. There are 3 6mm allen bolts across the front of the sump the hole is between the center bolt and left bolt and slightly forward of them. I usually clean the hole by using a small drill bit and twist it between my fingers gently till the crud is removed. It won't get all the way to the pump but usually clears enough to make it work.
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