Oil on left rear under carb

[wobray]

Well, Where is it coming from? Also' smell of gas as I'm cruising.
Air filter???
Thanks,

[salty1]

Possible your drool tube is full and sludge is backing up in the air filter box? Are your carb intakes sealed? 

[wobray]

Thanks for the reply. Looked at it this AM and it is clean yellowish OIL.. MIGHT be running a little rough too...
??????

[Patrick]

The left rear is #6 which supplies vacuum to petcock. The hose may well be cracked/leaking and the petcock diaphram could be leaking allowing fuel to pass to the intake nipple. That intake o-ring could also be leaking a bit.

[NDFRC]

Fuel rail leaking?

[wobray]

There is OIL....... on top of the engine block under the left rear carb.... OIL !!!!!
Where is it coming from????
Thanks for the input.

[Bighead]

Most likely not oil. If so maybe from airbox. but most likely fuel that has gotten hot and thickened a bit and looks like oil.You said you smell GAS. 

[0leman]

wobray, from your description not sure where you are seeing this yellow stuff???  Pictures and more info is needed.

If it is on the engine next to the sparkplugs and around the intake manifolds, its probably not oil.  Your problem could be that the O-Ring under the intake manifold is leaking.  Not a big deal to replace.   Lots of discussion here about it.

[StrikingViking]

Hey all,
Was this ever sorted?  I have the exact same issue with my new (to me) '98 Valk.  I will see if Dropbox allows me to post a link to a photo here:https://www.dropbox.com/s/0qc6b9atakrd5fu/2015-05-18%2015.56.57.jpg?dl=0

It does not smell like gas... smells like oil. Also has a little 'viscosity' to it when you rub it between fingertips.  Additionally... While the bike idles fine, and is running on all 6, there is a distinct roughness (and missing) during acceleration between 900 - 2000 rpm.

Any help would be greatly appreciated!

[The emperor has no clothes]

Hey all,
Was this ever sorted?  I have the exact same issue with my new (to me) '98 Valk.  I will see if Dropbox allows me to post a link to a photo here:https://www.dropbox.com/s/0qc6b9atakrd5fu/2015-05-18%2015.56.57.jpg?dl=0

It does not smell like gas... smells like oil. Also has a little 'viscosity' to it when you rub it between fingertips.  Additionally... While the bike idles fine, and is running on all 6, there is a distinct roughness (and missing) during acceleration between 900 - 2000 rpm.

Any help would be greatly appreciated!

Sounds like the normal o-ring leakage thing. Order o-rings from redeye and replace. Type in o-ring leaking in the search box and you should get numerous descriptions and pics of it. It's a real easy fix 

[Chrisj CMA]

Post a picture of the "oil" that the best way to get the right answer.

[StrikingViking]

Okay... so, Meathead... are you saying that this issue is NOT then related to the rough/missing acceleration from 900 - 2000 rpm?

I tried posting a link to the photo in dropbox in my initial reply to this thread.  Sorry it didn't work.  I will try again here...

https://www.dropbox.com/s/0qc6b9atakrd5fu/2015-05-18%2015.56.57.jpg?dl=0

If the actual picture doesn't show up when I post this, click on the link and it should take you there.

Thanks!

[Farther]

Wash it off and see if it comes back.

[StrikingViking]

Sounds like the normal o-ring leakage thing. Order o-rings from redeye and replace. Type in o-ring leaking in the search box and you should get numerous descriptions and pics of it. It's a real easy fix 
[/quote]

New O-Rings ordered... thanks!  Hopefully someone smarter than me has some insight on the hesitation/missing that happens when accelerating.

And yes... I did try washing it off... and it came back  ???

[sandy]

From your pic on DropBox, that's the intake O rings. Your hesitation is probably related in that air is being sucked in while you accelerate. The clamps on all the carb intake spots also need to be tightened. The next intake air leak is the vacuum lines on #3 & 4 & 6 intakes. I'd bet when you get all this changed, you'll have it running like a raped ape again.

[pancho]

sandy probably has you covered there, it does look to be o-ring leakage,,, but just to cover all the bases, pull those two plug wires and make sure the cavities are not full of rusty water,,,, there are drain holes in them that may get plugged up.

[The emperor has no clothes]

Okay... so, Meathead... are you saying that this issue is NOT then related to the rough/missing acceleration from 900 - 2000 rpm?

I tried posting a link to the photo in dropbox in my initial reply to this thread.  Sorry it didn't work.  I will try again here...

https://www.dropbox.com/s/0qc6b9atakrd5fu/2015-05-18%2015.56.57.jpg?dl=0

If the actual picture doesn't show up when I post this, click on the link and it should take you there.

Thanks!

Sorry I'm just now getting back to you. I agree with Sandy & Pancho. I would also examine your vacuum hoses for leakage. When my o-rings have needed replacement I didn't have any rough running or anything. Probably some air leak like Sandy was saying. The clamps on the carbs and intakes have a tendency to get real loose. Hopefully it's something simple like that. 

[StrikingViking]

Thanks for the insight everyone! 
I've ordered a set of intake manifold o-rings from redeye, as well as a bunch of 4mm silicone Saab vacuum line (recommended in another thread) to replace all the old lines. At 17 years old and 34,000 miles, they're probably due.
I'll post the (hopefully) positive results when they happen!
Cheers!

[Chrisj CMA]

Thanks for the insight everyone!  
I've ordered a set of intake manifold o-rings from redeye, as well as a bunch of 4mm silicone Saab vacuum line (recommended in another thread) to replace all the old lines. At 17 years old and 34,000 miles, they're probably due.
I'll post the (hopefully) positive results when they happen!
Cheers!

Are you saying its been 34K since the vaccum lines were changed, or the bike only has 34K miles in 17 years?  Reason I ask is because... With that much sittting around time (if only 34K total miles) and only one intake leaking, there is a good chance that carburator is trying to hydrolock your engine.  I'm helping a friend rebuild his carbs after his got locked.  First thing he noticed was #4 intake leaking (only #4) then it locked.  His is A
very low milage bike too...sat too long, like yours...  Be very careful.

[StrikingViking]

[/quote]
Are you saying its been 34K since the vaccum lines were changed, or the bike only has 34K miles in 17 years?  Reason I ask is because... With that much sittting around time (if only 34K total miles) and only one intake leaking, there is a good chance that carburator is trying to hydrolock your engine.  I'm helping a friend rebuild his carbs after his got locked.  First thing he noticed was #4 intake leaking (only #4) then it locked.  His is A
very low milage bike too...sat too long, like yours...  Be very careful.
[/quote]

Possibly both!  It is a low mileage US bike (34,000 miles).  I am in Canada on the West Coast and bought it privately from a local guy, who found it two years ago in Toronto.  It was likely imported back East somewhere.  I have no historical information, so am in that learning-curve phase of trying to get to know a machine that has a history that I have little to no way of figuring out.  I agree... 34K over 17 years is low mileage... only 2,000 a year, on average!  It is possible that it sat for long stretches, not being used at all.  Small clues... like the rusted staples under the seat... and a bit of rust on the upper part of the frame (visible when the seat is off), tell me that it likely was parked outside for extended periods as well.

Okay... on to the hydrolock danger... I'm not sure what to do, but the logical thing (I think) would be to pull the plugs and see if I have any raw gas in any of the cylinders... particularly the #6 cylinder, where there is visible leaking at the intake manifold.  If I do... then I imagine it's "pull the carbs" time to rebuild at least the one that is (possibly) creating the issue?

If I don't have raw gas in any of the cylinders, then I am probably okay and am most likely dealing with the two simple issues of leaking vacuum lines and a bad intake O-ring.  Yes?

Thank you for the heads up!!!!

[salty1]

 ...If I don't have raw gas in any of the cylinders, then I am probably okay and am most likely dealing with the two simple issues of leaking vacuum lines and a bad intake O-ring.  Yes?


Yes. Hope that's all you need to deal with.   I went through Abbotsford for the first time last summer with a bunch of cycle buddies on our way to Jasper, the icefields, Lake Louise, etc. God's country!

[StrikingViking]

Thanks salty1.  Yes... when the weather is cooperating, it is beautiful in these parts, up and down and around the coast, on into the interior.

Great news... pulled the plugs (fired a shot of MOVE-IT into the plug wells and let them sit for a bit, since three of them were all rusted, before removing them) to find that while the plugs themselves were rusted on the outside (3 of them) they looked great at the business end, with no evidence of raw gasoline.  Very pleased about that.



I used a piece of copper wire to clean the drain holes and the gunk that came out the bottom of the three plugged ones was impressive!



Additionally, all the band clamps at the tops of the intake manifolds were loose!  So... I'm truly hoping that replacing the intake manifold 0-rings, the vacuum lines, (and now) new plugs will clear things up.  I may run some Seafoam through the tank while I'm at it.

[StrikingViking]

Link to plug...
https://www.dropbox.com/s/jqyt3udn5qdb6u4/2015-05-20%2019.51.44.jpg?dl=0

Link to "Clearing the Plug Well Drain"....
https://www.dropbox.com/s/73flsrmhva2qe50/2015-05-20%2020.29.56.jpg?dl=0

Can someone please tell me why putting the hyper-link between the two [IMG] symbols is not working when I am trying to insert a picture into my responses? ???

[Farther]

I have never seen plugs that crappy in my life!

[StrikingViking]

I have never seen plugs that crappy in my life!

Me neither... lol.  Three were good, and the other three look like they spent quite some time sitting under water in the plugged up wells... which are UNplugged now!

https://www.dropbox.com/s/j0yb7xvdnsrsag4/2015-05-20%2020.13.01.jpg?dl=0

[pancho]

"Can someone please tell me why putting the hyper-link between the two [IMG] symbols is not working when I am trying to insert a picture into my responses?"


"Copy image URL" and place it between the two [IMG] symbols, see if that does the trick.

[Bone]

Worked for me ?

My picture is in Photostash.

[StrikingViking]

Huh.... I'm stymied. Did your image URL look like my link in my post above?  If so, that's what I tried. I used dropbox, which should work since when you click on the link it works. Huh.

Nice bike, BTW!

[Bone]

Thanks
Here's the url from Photostash http://vrcc.photostash.com/vrcc_23498/100_2382%20(Small).JPG



Here I am trying your url.
Doesn't work for me either must be your url ?

[StrikingViking]

Yup... I'm thinking that while for some reason you can click on the link in dropbox and view the picture, it doesn't work when placed between the two [IMG] book ends.  I tried your URL in preview mode and it worked fine.

I will have to find a photo library that works... like our own VRCC, for instance!

*sorry to take this off topic, everyone...

[Bone]

The picture size is limited to 100 kb I believe. Picture resizers are on the web.

[pancho]

I use Photobucket,,, they give you enough free space for thousands of pictures, unlimited folders, ability to move and organize and many other pluses,,, one downside I have noticed, you can only delete photos one at a time.

[StrikingViking]

UPDATE....  New plugs, and tightening up the clamps at the top of each intake manifold (they were ALL loose), and the bike's running great now.  I've received the new vacuum hose so I will make a go of changing those soon, but for the time being all is good.

Thanks for the input everyone!