Author Topic: Oil Leak...what say the experts?  (Read 784 times)

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Offline ZXtasy

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Oil Leak...what say the experts?
« on: August 01, 2017, 12:28:14 am »
My recently acquired 2013 with now 7K miles, I have put 600 miles on since May when I first changed the oil. Parked on my pristine garage concrete about 50/50 side stand/center stand. Have ridden and parked in same spot at work on hotter days than today's 96, and nothing different or unusual n today's ride in. Bike had been sitting on side stand for 3 days. Went I went to leave work today I immediately notices 2 spots of oil aft and to the low side of front tire. Seemed odd, so I reached to lower edge of lowers and had wet dirty oil on hand. Thought briefly I had obtained the infamous oil filter leak, but it was fairly clean and once  wiped as smooth as baby butt. Oil had  obviously been there for a little bit as it was windblown back. Cleaned it up, ran it and revved it, no new source. Rode it pretty hard for 5 miles to chiropractor. After appt., no new drip. Rode it another 10 miles on errands and parked on side stand....no drips after 2 hours. Will look at in the AM closer, but could this be residual from the infamous valve cover weepage?

I did park were a coworker usually parks his Harley, but it is too hot for him being out of the 75 to 85 degree range; could this be sympathy seepage? :))
Thanks for listening.

2013 ZG-1400, 2005 ZX-10R (Nekkid), 2012 TW-200, 1999 TW-200....and more to come.

Offline TimR

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Re: Oil Leak...what say the experts?
« Reply #1 on: August 01, 2017, 06:06:47 am »
https://www.murphskits.com/product_info.php?products_id=528 

I would suspect a leaky cam sensor which is well documented.  Murphskits is a great source for your C14 needs.   
« Last Edit: August 01, 2017, 06:10:48 am by Goldfingers »
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Offline JerBear

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Re: Oil Leak...what say the experts?
« Reply #2 on: August 01, 2017, 07:42:11 am »
One of two, fix them both.  Exhaust sensor o-ring and the valve cover gasket. Both are prone to leaking, both are fairly simple fixes.  Search is your friend but I had both and it is dry now.
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Offline ZXtasy

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Re: Oil Leak...what say the experts?
« Reply #3 on: August 01, 2017, 11:14:17 am »
SOunds like fun, appreciate the leads.
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Offline C. Moore

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Re: Oil Leak...what say the experts?
« Reply #4 on: August 02, 2017, 09:21:44 am »
My oil leak was from the exhaust cam sensor. I waited until the valve adjust and changed the o-ring at that time.
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Offline jwh20

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Re: Oil Leak...what say the experts?
« Reply #5 on: August 02, 2017, 11:42:36 am »
The cam sensor o-ring is easy enough to replace once you remove the plastics from the LH side of the bike.  It's tight but you can get a wrench and your hand in there to pull and replace the sensor.

The valve cover gasket, however, is another story.  It's about 90% of the job of a valve check so either wait a bit longer until the valves are due or go ahead and check them now and replace the gasket while you're at it.
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Offline ZXtasy

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Re: Oil Leak...what say the experts?
« Reply #6 on: August 02, 2017, 04:22:39 pm »
Thanks again for all the input. With only 7200 miles on the bike and not another drop since my first post, I think I can wait until winter to pull the plastics and fully access the source and then go from there.

Search will be my friend.
2013 ZG-1400, 2005 ZX-10R (Nekkid), 2012 TW-200, 1999 TW-200....and more to come.

Offline landman

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Re: Oil Leak...what say the experts?
« Reply #7 on: August 07, 2017, 12:07:44 am »
i betting valve cover gasket.  >:(
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Offline Zarticus

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Re: Oil Leak...what say the experts?
« Reply #8 on: August 07, 2017, 12:48:40 am »
My recently acquired 2013 with now 7K miles, I have put 600 miles on since May when I first changed the oil. Parked on my pristine garage concrete about 50/50 side stand/center stand. Have ridden and parked in same spot at work on hotter days than today's 96, and nothing different or unusual n today's ride in. Bike had been sitting on side stand for 3 days. Went I went to leave work today I immediately notices 2 spots of oil aft and to the low side of front tire. Seemed odd, so I reached to lower edge of lowers and had wet dirty oil on hand. Thought briefly I had obtained the infamous oil filter leak, but it was fairly clean and once  wiped as smooth as baby butt. Oil had  obviously been there for a little bit as it was windblown back. Cleaned it up, ran it and revved it, no new source. Rode it pretty hard for 5 miles to chiropractor. After appt., no new drip. Rode it another 10 miles on errands and parked on side stand....no drips after 2 hours. Will look at in the AM closer, but could this be residual from the infamous valve cover weepage?

I did park were a coworker usually parks his Harley, but it is too hot for him being out of the 75 to 85 degree range; could this be sympathy seepage? :))
Thanks for listening.

There is no "infamous oil filter leak" , It's either the Cam sensor oring or valve cover gasket as others have mentioned. I had BOTH  :o
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Offline Bruiser

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Re: Oil Leak...what say the experts?
« Reply #9 on: August 07, 2017, 03:54:09 am »
I was a victim of the ghastly cam sensor leak a few years ago. It was fixed under warranty and hasn't leaked since in 35000 miles. Haven't heard of anyone experiencing a valve cover gasket leak but it could happen.
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Offline ZXtasy

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Re: Oil Leak...what say the experts?
« Reply #10 on: August 07, 2017, 11:52:45 am »
Well I wondered why folks sell and others buy an oil filter protector for these things, seemed to someone to be an issue.

My ZX-10 developed a valve cover leak and drip but that was after around 25K of hard riding. They just get tired and hard after all that heating.
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Offline angelo

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Re: Oil Leak...what say the experts?
« Reply #11 on: August 14, 2017, 10:02:09 pm »
ZX, if you are comfortable waiting, wait.  My sensor o ring was a culprit and greasy and messy up top - but never led to a single drop on the floor.  So maybe valve cover gasket it is.

BUT - almost everyone who does their own valves finds them tight - the first time at least - then they migrate much less.  My amateur opinion is to put many miles on the bike this fall.  Enjoy. Do the valves this winter with a new over sized o ring, valve gasket, and spark plug well gaskets.  (Murphs has a kit).   Valves will be good for a long while and no more leaks will exist.  IMO and in my limited experience.

Offline old n slow

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Re: Oil Leak...what say the experts?
« Reply #12 on: August 14, 2017, 10:41:15 pm »
Maybe it was just some oil drool that may have dripped on the fairing lip when you removed the filter...just took it a few days to ooze itself to the drip stage.  You did mention it started right after an oil change?
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Offline ZXtasy

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Re: Oil Leak...what say the experts?
« Reply #13 on: August 14, 2017, 11:38:08 pm »
Thank you all, Angelo, yes I will wait...it has not dropped any since.  O&S, I mentioned that it occurred 600 miles after my initial purchase oil change, so I still believe it is a mild leak that maybe pooled over those 2 months and finally gorped.
 
The real thing is I need to ride it more!!!
2013 ZG-1400, 2005 ZX-10R (Nekkid), 2012 TW-200, 1999 TW-200....and more to come.