Athena Jug And Cometic Head Gasket

terse · 07-07-2007, 05:08 PM

Has any one else ran this combo? The 94mm Athena jug and the Cometic head gasket (IMO) don't line up real well at the water jacket holes. I would varify this if I knew where I put the old Athena head gasket at. I want to know who has in the past or currently ran or is running this combo and has your motors over heated or blew?

Apperantly no site sponsers viewed my topic about who sells the Athena head gaskets.

drnez · 07-07-2007, 05:41 PM

I went threw 2 cometic head gaskets before I bought an athena gasket. (both failed and leaked) On the first gasket, I just wrote it off as bad torquing on my part. Then I noticed that it doesnt line up very well as you said. I wont buy another cometic gasket for my athena, thats for damn sure.

terse · 07-07-2007, 07:36 PM

See that's what I think too. I put one together here and after 1 day (actually sometime during the first day) it starting leaking coolant out the gasket seal on the exhaust side with the Cometic. Never leaked inside as the oil and water never mixed. I checked the fitment of a Cometic head gasket with this other Athena jug I have and the fitment is less then desirable. I thought as you, that it was bad torquing on my part, but I have done quiet a few and still think it is the Cometic head gasket not lining up as the fault, not something I did that caused the failure.

I still would like to see a site sponser with some replacement Athena gasket kits for sale

Fakie · 07-08-2007, 12:05 AM

I think rocky mountain atv sells them. granted, they arent a site sponsor. but, they wont leak either!

NormalZ · 07-08-2007, 12:12 AM

Terse, that's all I run in the Athenas I have - Cometic 95mm gaskets. Haven't had a problem with them yet, as far as leaking or sealing. They've been good.

terse · 07-08-2007, 02:26 AM

RMATVonline is 2 weeks out before they get any in.

I might try this 2nd Cometic I got with the new Craftsman TQ wrench I bought.

drnez · 07-08-2007, 08:48 AM

Maybe there was a bad batch or something.. Where do you order your gaskets from Tersejr?

sprinterx · 07-08-2007, 11:57 AM

QUOTE (tersejr @ Jul 7 2007, 11:26 PM)

Quote:

RMATVonline is 2 weeks out before they get any in.

I might try this 2nd Cometic I got with the new Craftsman TQ wrench I bought.

[/b]

Have you tried applying two coats of "permatex, high temp copper, spray-a-gasket" and let it sit over night b4 you install it. Consider this as standard prebuild preperation. Works very well.

terse · 07-08-2007, 03:31 PM

The one that leaked was sent with the piston, which is generally where I get them. Who ever I get the piston from I ask for them to send a gasket kit as well.

I have some copper spray, but have never had to use it.... and never heard of it being used on a head gasket before.

So a light coat on both side and let it sit for a day before installing it? Maybe I'll try that.

mscottiel · 07-08-2007, 07:22 PM

like normalz, i have never had any problems with the cometic gasket kits in my motors.

however i can get you the athena gasket kits. problem is they are 3x as much as the cometic and it comes with both the ltz and drz gaskets which you don't really need. anyway they are $80 plus shipping and there are 3 kits in stock. i would blame the compression you are running for most likely blowing your gaskets out along with a possible head warp. the copper spray may be just the ticket you need to help keep it together.

good luck

CFM-Z440 · 07-08-2007, 07:29 PM

I run the Wiseco head gaskets on my sleeved 440 which I believe to be cometic. Blew one, but it appeared to be my fault. Never noticed any misallignment.

Not athena, but figured I would throw in my .02

terse · 07-08-2007, 07:38 PM

QUOTE (mscottiel @ Jul 8 2007, 05:22 PM)

Quote:

like normalz, i have never had any problems with the cometic gasket kits in my motors.

however i can get you the athena gasket kits. problem is they are 3x as much as the cometic and it comes with both the ltz and drz gaskets which you don't really need. anyway they are $80 plus shipping and there are 3 kits in stock. i would blame the compression you are running for most likely blowing your gaskets out along with a possible head warp. the copper spray may be just the ticket you need to help keep it together.

good luck[/b]

Why do you mention the compression I am running as a fault? I never mentioned what compression this motor is. It is not the motor in my sig. FYI.

How soon could I get an Athena kit from you by chance? I live in 80916 Colorado.

Thanks.

sprinterx · 07-09-2007, 11:21 AM

QUOTE (tersejr @ Jul 8 2007, 12:31 PM)

Quote:

So a light coat on both side and let it sit for a day before installing it? Maybe I'll try that.[/b]

Go with two light coats on each side and let it sit overnight. Works very well, I believe you'll be satisfied with the results.
Some have even re-used a head gasket with this process. Not sayiong that's the way to go, just what I've read around.

meade377 · 07-09-2007, 03:47 PM

QUOTE (SprinterX @ Jul 8 2007, 09:57 AM)

Quote:

Have you tried applying two coats of "permatex, high temp copper, spray-a-gasket" and let it sit over night b4 you install it. Consider this as standard prebuild preperation. Works very well.[/b]

i bunch of guys over at thumper talk was having problems with their head gasket, on their big bore & stroked suzk 400 motors, that copper permatex stuff seems to be doing the trick for them.

thay are putting 2 or 3 light coats on then letting the gasket sit for a couple days before puting it togetor

nator187 · 07-09-2007, 10:18 PM

I just let it get tacky like it says on the can. Never had a problem even when I reuse gaskets.

Woody

07-07-2007, 05:08 PM	#1 (permalink)
terse :::LT500 Rider::: Join Date: Oct 2004 Location: Colorado Posts: 1,354	Has any one else ran this combo? The 94mm Athena jug and the Cometic head gasket (IMO) don't line up real well at the water jacket holes. I would varify this if I knew where I put the old Athena head gasket at. I want to know who has in the past or currently ran or is running this combo and has your motors over heated or blew? Apperantly no site sponsers viewed my topic about who sells the Athena head gaskets. __________________ Ol Skool "LittleMissE Mod"

07-07-2007, 05:41 PM	#2 (permalink)
drnez :::Official Spammer::: Join Date: Jan 2006 Location: Atlanta, GA Posts: 4,925	I went threw 2 cometic head gaskets before I bought an athena gasket. (both failed and leaked) On the first gasket, I just wrote it off as bad torquing on my part. Then I noticed that it doesnt line up very well as you said. I wont buy another cometic gasket for my athena, thats for damn sure. __________________ Building another KFX. Let the money pit begin!

07-07-2007, 07:36 PM	#3 (permalink)
terse :::LT500 Rider::: Join Date: Oct 2004 Location: Colorado Posts: 1,354	See that's what I think too. I put one together here and after 1 day (actually sometime during the first day) it starting leaking coolant out the gasket seal on the exhaust side with the Cometic. Never leaked inside as the oil and water never mixed. I checked the fitment of a Cometic head gasket with this other Athena jug I have and the fitment is less then desirable. I thought as you, that it was bad torquing on my part, but I have done quiet a few and still think it is the Cometic head gasket not lining up as the fault, not something I did that caused the failure. I still would like to see a site sponser with some replacement Athena gasket kits for sale __________________ Ol Skool "LittleMissE Mod"

07-08-2007, 12:05 AM	#4 (permalink)
Fakie Super Moderator Join Date: Sep 2004 Location: Bumfuque, Mi Posts: 8,878	I think rocky mountain atv sells them. granted, they arent a site sponsor. but, they wont leak either! __________________ 2007 DRZ400SM

07-08-2007, 12:12 AM	#5 (permalink)
NormalZ Administrator Join Date: Sep 2003 Location: Southern Arizona for awhile... Posts: 10,396	Terse, that's all I run in the Athenas I have - Cometic 95mm gaskets. Haven't had a problem with them yet, as far as leaking or sealing. They've been good. __________________ July 2005 QOTM

07-08-2007, 02:26 AM	#6 (permalink)
terse :::LT500 Rider::: Join Date: Oct 2004 Location: Colorado Posts: 1,354	RMATVonline is 2 weeks out before they get any in. I might try this 2nd Cometic I got with the new Craftsman TQ wrench I bought. __________________ Ol Skool "LittleMissE Mod"

07-08-2007, 08:48 AM	#7 (permalink)
drnez :::Official Spammer::: Join Date: Jan 2006 Location: Atlanta, GA Posts: 4,925	Maybe there was a bad batch or something.. Where do you order your gaskets from Tersejr? __________________ Building another KFX. Let the money pit begin!

07-08-2007, 03:31 PM	#9 (permalink)
terse :::LT500 Rider::: Join Date: Oct 2004 Location: Colorado Posts: 1,354	The one that leaked was sent with the piston, which is generally where I get them. Who ever I get the piston from I ask for them to send a gasket kit as well. I have some copper spray, but have never had to use it.... and never heard of it being used on a head gasket before. So a light coat on both side and let it sit for a day before installing it? Maybe I'll try that. __________________ Ol Skool "LittleMissE Mod"

07-08-2007, 07:22 PM	#10 (permalink)
mscottiel :::Mini LT80 Rider::: Join Date: Jul 2004 Posts: 229	like normalz, i have never had any problems with the cometic gasket kits in my motors. however i can get you the athena gasket kits. problem is they are 3x as much as the cometic and it comes with both the ltz and drz gaskets which you don't really need. anyway they are $80 plus shipping and there are 3 kits in stock. i would blame the compression you are running for most likely blowing your gaskets out along with a possible head warp. the copper spray may be just the ticket you need to help keep it together. good luck

07-08-2007, 07:29 PM	#11 (permalink)
CFM-Z440 Super Moderator Join Date: Sep 2006 Location: Southern Minnesota Posts: 6,432	I run the Wiseco head gaskets on my sleeved 440 which I believe to be cometic. Blew one, but it appeared to be my fault. Never noticed any misallignment. Not athena, but figured I would throw in my .02 __________________ 03 LT-Z 470 Max Power 12.5:1 94mm Piston, Hot Rods +5 Stroker Crank, Web Cams 539 (+6) IN / 539 EX, with Hot Cams sprockets, Ferrea +1 Valves, LTZ/DRZ springs (IN)DRZ springs (EX), DRZ Manual Decomp. Ported head, FCR 41 with Noss adaptor, Home made intake, Modified HMF Full System, Home made header, Trailtech flywheel, Dyna Programable 54hp 36ft lbs

07-09-2007, 10:18 PM	#15 (permalink)
nator187 :::KFX 400 Rider::: Join Date: May 2004 Posts: 921	I just let it get tacky like it says on the can. Never had a problem even when I reuse gaskets. Woody __________________ A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed.

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