White smoke/ oil out of the airbox

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10 Feb 2013 22:37 #571822 by Slowpoke
White smoke/ oil out of the airbox was created by Slowpoke
I just replaced the oil filter, put in the recommended amount of fresh oil, cleaned the carbs, and cleaned out the gas tank. Finally went to start it today and it idled for about a minute, then spit out white smoke like it was born to do it, and oil started POURING out of my airbox vents. It's on a 1980 KZ750 H model, with the inline 4. I'm so pissed right now, but need your guys' help. What the fuck just happened?

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10 Feb 2013 22:48 #571828 by Old Man Rock
Replied by Old Man Rock on topic White smoke/ oil out of the airbox
cleaned out the carbs and tank how (process/sea foam etc).....?
1976 KZ900-A4
MTC 1075cc.
Camshafts: Kawi GPZ-1100 .375 lift
Head: P&P via Larry Cavanaugh
ZX636 suspension
MIKUNI, RS-34'S...
Kerker 4-1, 1.5" comp baffle.
Dyna-S E.I.
Earls 10 row Oil Cooler
Acewell 2802 Series Speedo/Tach
Innovate LC1 Wideband 02 AFR meter

Phoenix, Az
The following user(s) said Thank You: Tomolu5

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  • wireman
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  • The most interesting prick in the world
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10 Feb 2013 22:51 #571831 by wireman
Replied by wireman on topic White smoke/ oil out of the airbox
Check oil level in sight glass with bike straight up and down to see if its over filled,should be just below top line in sight glass B)
posting from deep under a non-descript barn in an undisclosed location southwest of Omaha.

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10 Feb 2013 23:31 #571848 by Patton
Replied by Patton on topic White smoke/ oil out of the airbox
Would also check for gasoline-contaminated oil in the crankcase.
Do the sniff-test, and also physically examine the oil.

Perhaps the recent carb work resulted in substantial volume of gasoline rising up into the carb throat (for whatever reason) and ultimately making its way into the crankcase.

Good Fortune! :)
1973 Z1
KZ900 LTD

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  • donthaveakawman
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10 Feb 2013 23:51 #571858 by donthaveakawman
Replied by donthaveakawman on topic White smoke/ oil out of the airbox

Slowpoke wrote: I just replaced the oil filter, put in the recommended amount of fresh oil, cleaned the carbs, and cleaned out the gas tank. Finally went to start it today and it idled for about a minute, then spit out white smoke like it was born to do it, and oil started POURING out of my airbox vents. It's on a 1980 KZ750 H model, with the inline 4. I'm so pissed right now, but need your guys' help. What the fuck just happened?

do you think you switched the oil with the gas?

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