Oil Leaking from Rocker Cover

ian748

Joined Aug 2005

18 Posts | 0+

Bristol, UK

Discussion Starter
• Sep 22, 2005

• #1

Hi
I have a FS650e, leaking a fair bit of oil from the front. It's coming from the cam/rocker cover gasket.
Took apart and resealed using Blue Hylomar at the weekend, it was dry as a bone but I noticed this morning it's weeping again. On closer inspection the sealant it peeling off!
Are there any tips, has anyone got this problem?
Would it be worth trying a paper gasket?

Thanks for your help, my girlfriend's going mad with oil on the patio!!!

 

gruntunberg

Joined Sep 2004

97 Posts | 0+

uk HULL

• Sep 22, 2005

• #2

leaky bits

see if you can get hold of some WURTH rtv silicon top stuff lot better than the hylmor stuff comes in aerosoll can 8O but top stuff sticks like foook no more leeks


regards steve

 

ian748

Joined Aug 2005

18 Posts | 0+

Bristol, UK

Discussion Starter
• Sep 23, 2005

• #3

Cheers
Any ideas where I can get that?

Ian

 

berger

Joined Apr 2002

3K Posts | 11+

Phoenix Arizona

• Sep 23, 2005

• #4

Check the vent hose to the rocker covers. They seem to get pourous or dry rot very quickly. They will leak or weep giving the appearence of a rocker cover leak. Mine started leaking in less than a year.

 

gruntunberg

Joined Sep 2004

97 Posts | 0+

uk HULL

• Sep 23, 2005

• #5

leaky stuff

ian748
try and see if you can order off there web site its about a £10 a tube , could be the breather tube like berger said also if you take the rocker cover off you
will need to check the valve gaps after
regards steve

 

P

PowerCell

Joined Jan 2002

517 Posts | 13+

Los Alamitos, CA

• Sep 23, 2005

• #6

ian748 said:

Would it be worth trying a paper gasket?

Click to expand...

Maybe this is a dumb question, but you ARE using a paper gasket.. right?


~ Ken

 

JoeUSA

Joined Jun 2001

1K Posts | 0+

Pasadena Ca.

• Sep 24, 2005

• #7

PowerCell said:

ian748 said:

Would it be worth trying a paper gasket?

Click to expand...

Maybe this is a dumb question, but you ARE using a paper gasket.. right?


~ Ken

Click to expand...

Ah, sematics, the VALVE covers need gaskets, the ROCKER cover does not.

I use 'ThreeBond' Silicone Liquid Gasket 1211 on the Rocker Cover and the top of the Head.. Follow all of the instructions and it will not leak.

I have also had the spigot in the rocker Cover loosen and leak. It is threaded in, so if yours is leaking just screw it out , clean the threads, and put a little 1211 on it and screw it back in, tight.

Regards,

Joe

 

P

PowerCell

Joined Jan 2002

517 Posts | 13+

Los Alamitos, CA

• Sep 24, 2005

• #8

Ahhh... you mean the cam tower!!!

:lol: :lol: :lol:


~ Ken

 

nzberg

Joined May 2005

78 Posts | 0+

north island new zealand

• Sep 24, 2005

• #9

yes he means the rocker cover or the cam cover not the tappet covers or the tappet inspection covers

 

Taffy

Joined Nov 2001

17K Posts | 774+

Ely, England

• Sep 25, 2005

• #10

i know this leak well and it's got nowt to do whit bondings and resins!!!!! 8O the cover is distorted and you need to have about .003" (3 thou) skimmed off it. it wont effect much else but it will be the problem. it's usually the head that needs the skim and not the rocker cover.

regards

Taffy

 

J

JJW501

Joined Dec 2003

111 Posts | 0+

Australia

• Sep 25, 2005

• #11

i once saw a leak between ricker cover and head after someone had stripped one of the threads, and the rocker cover was lifting a little during operation!

Have Fun
Jeff

 

Husa_Busa

Joined Aug 2004

32 Posts | 0+

Kristinehamn, Sweden

• Sep 26, 2005

• #12

I have use both blue and grey silicone based Loctite products (cheaper than three-bond) without any problems. A gasket should not be used since this will ruin the fit of the camshaft bearings. Pay attention to the small o-ring for the oil channel (even though this is on the rear of the cylinder). Normally these type of gaskets are quite easy to peal off or rub off with the thumb after dismantling.

/Christer

ian748 said:

Hi
I have a FS650e, leaking a fair bit of oil from the front. It's coming from the cam/rocker cover gasket.
Took apart and resealed using Blue Hylomar at the weekend, it was dry as a bone but I noticed this morning it's weeping again. On closer inspection the sealant it peeling off!
Are there any tips, has anyone got this problem?
Would it be worth trying a paper gasket?

Thanks for your help, my girlfriend's going mad with oil on the patio!!!

Click to expand...

 

B

BD

Joined Sep 2002

212 Posts | 0+

Great Northwest

• Sep 26, 2005

• #13

Taffy has it right; check for flatness of the cover. I've had same problem, and it was the cover. As Dale has mentioned in the past, the cover bolts can strip and are easily repaired by going to a 1/4"-20 (if I remember correctly), and problem solved. Best of luck. BD

 

GEE-BEE

Joined Aug 2005

89 Posts | 0+

RANCHO MIRAGE CALIF/ BEND OREGON

• Sep 27, 2005

• #14

SILICONE VALVE COVER GASKETS

MOTOEXOTICA NOW HAS RE-USEABLE SILICONE VALVE COVER GASKETS
USE LOCKTITE RED, SNUG TIGHTEN

NO MORE LEAKS , AND THEY ARE RE-USEABLE

 

S

steve

Joined May 2002

2K Posts | 141+

Snowy Mountains NSW Australia

• Sep 27, 2005

• #15

My solution to the leak on the front left was to wipe a smear or 3 bond grey on the outside when the rocker cover was installed, using the same 3 bond to seal it. bit like a bandaid on the outside. In frustration, it was a last resort and has worked perfectly for about 150 hours now. Hard to spot as the colour matches the engine. I just remember not to clean too agressively around there with solvents.

Steve

 

B

Badvoc

Joined Apr 2004

118 Posts | 0+

West Sussex, England

• Apr 26, 2010

• #16

I know this is an old thread but Taffys advice still hold true 8O (nearly)
My covers were both warped, a bit of wet-n-dry on a flat stone soon solved it though.