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Engine drip: 1997 K1100LT

 
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jers97lt
Brick Rider


Joined: 31 Dec 2018
Posts: 25
Location: Warrenville, IL

PostPosted: Tue Sep 15, 2020 7:26 pm    Post subject: Engine drip: 1997 K1100LT Reply with quote

Hi All,

In front of the oil filter plate, there's a vertical 'port' that has a dark liquid weeping from it. It has built up
a light sludge from the 'port' down to the oil filter plate after 1500mi. What is this 'port'?
Location is also below and in front of the water pump.

Thanks for any further Qs and possible solutions to stop this mess.
Jer
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1999 K1200LT Champaign
1997 K1100LT Silver on Black
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N41EF
Flying Brick Rider


Joined: 23 Mar 2014
Posts: 391
Location: Aiken, SC

PostPosted: Tue Sep 15, 2020 7:37 pm    Post subject: Reply with quote

Weep hole from the oil/water pump?
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1993 K1100LT. Nissan Ice Blue.
2001 R1100S Light

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jers97lt
Brick Rider


Joined: 31 Dec 2018
Posts: 25
Location: Warrenville, IL

PostPosted: Tue Sep 15, 2020 7:57 pm    Post subject: Reply with quote

N41EF wrote:
Weep hole from the oil/water pump?

Appears so. Why? Is this a normal function? Gotta wipe their nose after every ride? Very Happy
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1999 K1200LT Champaign
1997 K1100LT Silver on Black
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N41EF
Flying Brick Rider


Joined: 23 Mar 2014
Posts: 391
Location: Aiken, SC

PostPosted: Tue Sep 15, 2020 8:12 pm    Post subject: Reply with quote

No, not "normal" the oil/water pump uses a common shaft with seals that keeps the oil from the water and such. If either seal is leaking you get something out the weep hole, sounds like your is leaking a bit of oil. You can try clearing it up good, the ride a hundred miles and check it. It's a pain to rebuild, and if don improperly will foul that weep hole so nothing leaks out, and you wind up with contaminated oil/coolant.

The world won't end, but it's not going to get better.
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1993 K1100LT. Nissan Ice Blue.
2001 R1100S Light

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jers97lt
Brick Rider


Joined: 31 Dec 2018
Posts: 25
Location: Warrenville, IL

PostPosted: Tue Sep 15, 2020 8:42 pm    Post subject: Reply with quote

N41EF wrote:
No, not "normal" the oil/water pump uses a common shaft with seals that keeps the oil from the water and such. If either seal is leaking you get something out the weep hole, sounds like your is leaking a bit of oil. You can try clearing it up good, the ride a hundred miles and check it. It's a pain to rebuild, and if don improperly will foul that weep hole so nothing leaks out, and you wind up with contaminated oil/coolant.

The world won't end, but it's not going to get better.

Thanks! The kind of answer I was looking for. Will have it looked at, properly.
Been many, many years since I had a Triumph. Sucker leaked everywhere. This bike is new to me, so still being highly observant of everything.

Thanks again,
Jer
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1999 K1200LT Champaign
1997 K1100LT Silver on Black
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N41EF
Flying Brick Rider


Joined: 23 Mar 2014
Posts: 391
Location: Aiken, SC

PostPosted: Tue Sep 15, 2020 9:42 pm    Post subject: Reply with quote

I'm sure Flying Duck will chime in, I believe on bikes that sat and didn't have coolant flushed it can cause corrosion on the pump shaft, that scores the seals and causes the leaks. Plus the seals are 25 plus years old and get tired. I think you can get parts still, or watch eBay for a oil/water pump.

If it's just seeping I'd ride it to work, but not to Montana. Keep an eye on the sight glass to make sure you aren't getting water in the oil.
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1993 K1100LT. Nissan Ice Blue.
2001 R1100S Light

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jers97lt
Brick Rider


Joined: 31 Dec 2018
Posts: 25
Location: Warrenville, IL

PostPosted: Wed Sep 16, 2020 7:55 am    Post subject: Reply with quote

N41EF wrote:
I'm sure Flying Duck
will chime in, I believe on bikes that sat and didn't have coolant flushed it can cause corrosion on the pump shaft, that scores the seals and causes the leaks. Plus the seals are 25 plus years old and get tired. I think you can get parts still, or watch eBay for a oil/water pump.

If it's just seeping I'd ride it to work, but not to Montana. Keep an eye on the sight glass to make sure you aren't getting water in the oil.

Good info to know. Thank you!!!
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1999 K1200LT Champaign
1997 K1100LT Silver on Black
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flybd5
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Joined: 01 Jul 2019
Posts: 282
Location: Massachusetts, USA

PostPosted: Wed Sep 16, 2020 8:19 am    Post subject: Reply with quote

This brought back a flashback from one of Cheech and Chong's LP's back in the 80's... a short segment advertising an imaginary vd medication... "Tired of the steady drip... drip... drip of gonorrhea?" LOL!

Of course, if the K11 had round or fractionally round engines (like the Harleys) you could argue they're just marking their spot on the ground.
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1995 K1100LT SE
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Grunter
Flying Brick Rider


Joined: 30 Sep 2015
Posts: 228
Location: North East England

PostPosted: Wed Sep 16, 2020 9:12 am    Post subject: Pump rebuild Reply with quote

These are supposed to be easy - but a rebuild can go wrong. There are 2 seals one a conventional rubber lipped seal and a mechanical seal that has a ceramic part and if this gets broken it is a new seal kit and they are not cheap themselves.

I had one rebuilt for me and it is working as it should with no leaks from either the coolant or oil. Motorworks the BMW bike spares company in UK used to sell rebuilt ones for a reasonable price, but they had so many complaints about them leaking within the 6 month guarantee period they stopped selling them as 're-built.'

The cost of a new one is eye wateringly expensive, the last time I looked the price was close on £400or around 530$!
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1986 K75S Professionally resprayed in Nightfire Metallic Red (non BMW colour) and refurbished wheels.

1986 K75c. Good mechanical order. Now resprayed BMW Avus Black (unlined) and looking good.
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SugarHillCTD
Site Admin


Joined: 10 Oct 2007
Posts: 4186
Location: Sugar Hill, NH, USA

PostPosted: Wed Sep 16, 2020 6:32 pm    Post subject: Reply with quote

Maybe this might help.

This is Sugarhill NOT Flying Duck!?

A subtle leak in your bike's bottom end could be this.......

https://k11og.org/forum/viewtopic.php?t=8395

Just trying to help from your Mod crew.
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John & Cathy

'92 K100RS4V Pearl White
'03 R1100S Boxer Cup
IBA Several-SS1k, BBG, 50CC NYC to S.F.
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