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Message started by Michael L on 10/18/14 at 09:12:44

Title: New oil leak?
Post by Michael L on 10/18/14 at 09:12:44

The other day I noticed fresh oil on the ribs of the cyllinder, and I thought it must be the beginning of the oil plug leak.. But it didn't make sense since it was only on the left side, and more of the rear than the front.. then I noticed it was coming from the head bolt underneath the intake rubber? It's the small head bolt that protrudes into the intake canal. I can't seem to figure out how oil could come from there, since the other end of this bolt is threaded into the cyllinder head, right above the head gasket..

Any thoughts?

Title: Re: New oil leak?
Post by wambr on 10/18/14 at 10:16:15

seems to have blown a gasket under the cylinder head... :(

Title: Re: New oil leak?
Post by Serowbot on 10/18/14 at 10:50:24

Try just pulling that nut, and putting a small dab of RTV under it, then re-tighten...
They do tend to weep a little...

Title: Re: New oil leak?
Post by Michael L on 10/18/14 at 11:04:21

I did plan on just wiping off the oil and retighten the bolt.. But im kinda worried about where the oil is coming from? Because the only place the bolts "path" is leading to, are the combustion chamber..? And if it's coming from in there, it means the headgasket is half blown, and at the same time, oil shouldn't come from in there..

Title: Re: New oil leak?
Post by verslagen1 on 10/18/14 at 12:50:58

06397C7F7A7A4A0 wrote:

nope, not coming from there, it coming from the oil feed line to the head.
you got a little leak there, nothing to be overly concerned about.

Title: Re: New oil leak?
Post by Dave on 10/18/14 at 13:46:47

All the previous times that this issue has come up, it has been resolved by taking the nut off, cleaning the threads, applying a little sealant, and installing the nut again.

Don't sweat it....simple problem....simple fix.

Title: Re: New oil leak?
Post by Michael L on 10/19/14 at 03:48:10

thanks guys, I'll apply some sealant to that nut.. Will oil begin to float out from there once I take off that nut?

Verslagen, can you educate me, where does this oil passage run from? I've been looking at various pictures of the head and cyllinder, and I can't figure out where it runs..

Title: Re: New oil leak?
Post by Dave on 10/19/14 at 04:08:09

The top of that stud is open to the oil that is splashing around up in the cam tower.....it is being thrown around by the cam, rockers and valves. I believe the oil that pools in that are gradually seeps down the top of the stud, and eventually seeps out the bottom nut.

A small dab of sealer should be installed on that stud when it is screwed into the head......before the head is bolted onto the cylinder during assembly.

Dave

Title: Re: New oil leak?
Post by Michael L on 10/19/14 at 06:04:42

Dave, I thought about that too, but it doesn't go all the way up to the inside of the head, it only slightly protrudes inside of the intake flange on the head

Title: Re: New oil leak?
Post by verslagen1 on 10/19/14 at 08:40:04

http://images1.snapfish.com/347447863%7Ffp342%3Enu%3D323%3A%3E639%3E697%3EWSNRCG%3D32338747%3C74%3A4nu0mrj

Title: Re: New oil leak?
Post by Dave on 10/22/14 at 13:18:32

Yea...I forgot that thing stuck up into the exhaust port. Then the oil and goo is just "stuff" that comes from the engine when it is first started and cold. Exhaust condensation, unburned fuel, etc.

Just take the nut and washer off, clean and seal it....problem gone.

Title: Re: New oil leak?
Post by Michael L on 10/23/14 at 09:55:37

No not exhaust, it goes up into the intake port. I think verslagen might be right about it being an oil canal from the crankcase up to the head, that goes through the same hole in the cyllinder as this bolt stud.

Verslagen, that was what you meant right?

Title: Re: New oil leak?
Post by verslagen1 on 10/23/14 at 10:15:19

447B3E3D3838080 wrote:

Yep, if it leaks there it just spreads out to any bolt in the head.
I might worry about it if you use conventional oil.
but even then it'll seal the leak sooner or later.

Title: Re: New oil leak?
Post by Dave on 10/23/14 at 10:35:34

Sorry.....I was looking at the wrong side of the head....I wondered why his exhaust port was so darn clean! From the color of the drippage it could be a combination of a lot of things. Fuel that settles on the side of the intake port during a cold start or when the engine is turned off, some oil spray coming from the crankcase breather hose that goes to the airbox....or maybe from a seep in the head gasket (I really doubt that one as there is an oblong rubber O-ring on that stud). Does the owner use the fuel enrichment knob for an extended period?

Still......this leak has been noticed before, and they all have been resolved by taking the nut off, cleaning the parts up, and putting a bit of sealant on and tightening the nut.

Has there been any attempt to try cleaning and sealing the leak yet?

Title: Re: New oil leak?
Post by Michael L on 10/24/14 at 08:08:25

Dave, by enrichment knob you mean the choke right ? No, I only use the choke for about half a minute when warming up the engine..
I haven't tried to seal the leak yet, but I will later today..

I have been changing the oil, and at the same time I took a look at the cam chain adjuster to see where it's at.. It sticks out 17 mm, maybe between 17 and 18 even, so im guessing it would be the best choice to make the adjuster mod now..??? The bike has 16000 km. on the clock, isn't it a little too soon that it sticks out this much?

I was thinking, if you were to make the adjuster mod before the max of 18+ mm was reached, would that make the chain too tight? Im wondering how much it sticks out on a brand new engine, and if it's possible to make it too tight when doing the mod.

Title: Re: New oil leak?
Post by verslagen1 on 10/24/14 at 08:51:42

5B6421222727170 wrote:

I have been changing the oil, and at the same time I took a look at the cam chain adjuster to see where it's at.. It sticks out 17 mm, maybe between 17 and 18 even, so im guessing it would be the best choice to make the adjuster mod now..??? The bike has 16000 km. on the clock, isn't it a little too soon that it sticks out this much?

16000km=10000miles, early, but not unusual.

Quote:

I was thinking, if you were to make the adjuster mod before the max of 18+ mm was reached, would that make the chain too tight? Im wondering how much it sticks out on a brand new engine, and if it's possible to make it too tight when doing the mod.

Yes it's possible, but as long as the plunger expands when released from full compression, you're within the limits.

Title: Re: New oil leak?
Post by Michael L on 10/24/14 at 15:01:10

would you recomend doing the mod now at 17, almost 18?
Or wait alittle longer..?

When taking off the adjuster and letting the chain slack, is there any chance it will jump a tooth and go out of timing?

Title: Re: New oil leak?
Post by Michael L on 10/27/14 at 12:37:33

Ok - I decided to wait to make the adjuster mod.. It looks like I made a wrong measurement the first time, the plunger is only at 16-17 mm's out. Used a zip tie on the chain before removing the adjuster.. Just for the record, I didn't have any problems taking off the clutch cover without removing the footpeg bracket, just tilted the top of the cover towards myself, and then the bottom slid right out.

I cleaned up the oil leak, but I didn't seal the nut.. Instead of using gasket sealant, I'll look and see if I can find a copper seal washer..

It was very exciting to have a look inside for the first time on this bike, here's some pics :

http://home1.stofanet.dk/suspect/olieskift.JPG
http://home1.stofanet.dk/suspect/olieskift2.JPG
http://home1.stofanet.dk/suspect/olieskift3.JPG
http://home1.stofanet.dk/suspect/olieskift4.JPG

Title: Re: New oil leak?
Post by killsport on 11/10/14 at 11:33:31

I think the original leak/weeping is what I have. Only shows up on the left side, and comes after I ride and then let it sit on the side stand.
People mention using RTV to help seal it, but (being the newbie) I'm not sure which product I need to get. Any experienced savages out there have strrong suggestions?
http://www.amazon.com/Permatex-81158-Silicone-Adhesive-Sealant/dp/B000AL6WLA/ref=sr_1_2?ie=UTF8&qid=1415647825&sr=8-2&keywords=Three+bond

http://www.amazon.com/Hondabond-High-Temp-Silicone-Liquid-Gasket/dp/B006YTTV4W/ref=sr_1_3?ie=UTF8&qid=1415647825&sr=8-3&keywords=Three+bond

http://www.amazon.com/Permatex-81878-Maximum-Temperature-Silicone/dp/B0002UEOPA/ref=pd_sbs_auto_2?ie=UTF8&refRID=1PM78EX1G1KH5R9RR9FX

http://www.amazon.com/Permatex-82180-Maximum-Resistance-Silicone/dp/B0002UEN1U/ref=pd_sbs_auto_1?ie=UTF8&refRID=1PM78EX1G1KH5R9RR9FX

Thanks!

Title: Re: New oil leak?
Post by Dave on 11/10/14 at 11:46:47

232124243B38273A3C480 wrote:

Yep.....Buy the factory stuff. Suzuki Bond 1215.

It is factory part number: 99104-31140

http://www.rcsperformanceonline.com/Suzuki_Bond_p/suzuki%20bond.htm