Whacha think?
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Current Bikes:
2001 Yamaha FZ1 (bought same one back) -
Another pictureCurrent Bikes:
2001 Yamaha FZ1 (bought same one back) -
Looks like water got into the oil.Ed
To measure is to know.
Mikuni O-ring Kits For Sale...https://www.thegsresources.com/_foru...ts#post1703182
Top Newbie Mistakes thread...http://www.thegsresources.com/_forum...d.php?t=171846
Carb rebuild tutorial...https://gsarchive.bwringer.com/mtsac...d_Tutorial.pdf
KZ750E Rebuild Thread...http://www.thegsresources.com/_forum...0-ResurrectionComment
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What vehicle is it from?1978 GS 1000 (since new)
1979 GS 1000 (The Fridge, superbike replica project)
1978 GS 1000 (parts)
1981 GS 850 (anyone want a project?)
1981 GPZ 550 (backroad screamer)
1970 450 Mk IIID (THUMP!)
2007 DRz 400S
1999 ATK 490ES
1994 DR 350SESComment
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water its not funny1983 GS 550 LD
2009 BMW K1300sComment
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The oil is from the FZ1.Current Bikes:
2001 Yamaha FZ1 (bought same one back)Comment
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Kind of looks like water contamination. Water cooled engine? I'd pull the valve cover and look for white "milk-shake residue" and for rust. Coolant reservoir low too?1981 Suzuki GS250T
1982 Yamaha Seca Turbo
1985 Suzuki GS550E
2004 Suzuki GSF1200SComment
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As they guys said, water.97 R1100R
Previous
80 GS850G, 79 Z400B, 85 R100RT, 80 Z650D, 76 CB200Comment
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That might account for your "overfilling" issue.
.sigpic
mine: 2000 Honda GoldWing GL1500SE and 1980 GS850G'K' "Junior"
hers: 1982 GS850GL - "Angel" and 1969 Suzuki T250 Scrambler
#1 son: 1986 Yamaha Venture Royale 1300 and 1982 GS650GL "Rat Bagger"
#2 son: 1980 GS1000G
Family Portrait
Siblings and Spouses
Mom's first ride
Want a copy of my valve adjust spreadsheet for your 2-valve per cylinder engine? Send me an e-mail request (not a PM)
(Click on my username in the upper-left corner for e-mail info.)Comment
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Pulled the cover. I see nothing out of the ordinary up top. And yes, water cooled.Current Bikes:
2001 Yamaha FZ1 (bought same one back)Comment
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Time to pressure test the coolant system1978 GS 1000 (since new)
1979 GS 1000 (The Fridge, superbike replica project)
1978 GS 1000 (parts)
1981 GS 850 (anyone want a project?)
1981 GPZ 550 (backroad screamer)
1970 450 Mk IIID (THUMP!)
2007 DRz 400S
1999 ATK 490ES
1994 DR 350SESComment
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I found a You Tube video explaining how the water pump and oil pump are part of the same unit located inside where the oil pan is and that failure of a couple seals could cause coolant in the oil. Where do they come up with these ideas? I guess I'll be pulling the exhaust and oil pan.Current Bikes:
2001 Yamaha FZ1 (bought same one back)Comment
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I replaced the seals on a gixxer 750 water pump after discovering the freeze plugs in the head popped in my unheated garage with only water in the coolant system or water wetter.
(A track only bike.)
My oil looked much worse, like a cappuccino.
If the water pump is similar there might be a weep hole on the bottom and apparently seeing liquid there indicates failed seals.
Mine hadn't failed there, but I replaced them anyway.
One of the seals was an interference press fit with some sort of loctite blue coating on it.
20190512_183820 by Carter Turk, on Flickr
GS\'s since 1982: 55OMZ, 550ES, 750ET, (2) 1100ET\'s, 1100S, 1150ES. Current ride is an 83 Katana. Wifes bike is an 84 GS 1150ESComment
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Thanks. I'll check for a weep hole.I replaced the seals on a gixxer 750 water pump after discovering the freeze plugs in the head popped in my unheated garage with only water in the coolant system or water wetter.
(A track only bike.)
My oil looked much worse, like a cappuccino.
If the water pump is similar there might be a weep hole on the bottom and apparently seeing liquid there indicates failed seals.
Mine hadn't failed there, but I replaced them anyway.
One of the seals was an interference press fit with some sort of loctite blue coating on it.
20190512_183820 by Carter Turk, on FlickrCurrent Bikes:
2001 Yamaha FZ1 (bought same one back)Comment
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