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chris200x
09-05-2007, 10:19 PM
So I applied this goo to both sides of a new gasket for the bottom of my cylinder fully expecting to just throw the top end back on and be good to go. This was not the case though.. I had trouble with the rings, got aggrivated (and drunk) and now the stuff dried and the cylinder is sitting on the workbench. :rolleyes:

So I wonder if I'll have to scrape the nice new gasket off and replace it? 30 bux for another top end kit!! can just that gasket be bought somewheres? Or can I get away with applying more goo to whats already there.:confused:

Also, I removed the head to give me some better clearance during installation and I'm wondering about reusing the metal gaskets? There's about an hour or two tops on a freshly rebuilt motor and those look to still be in good shape. :confused:
jeffatc250r
09-05-2007, 10:24 PM
It would really be aggrivating to have to take it all back apart if the gaskets fail, i say get new ones, my .02
Bryan Raffa
09-06-2007, 12:03 AM
get new a ones and dont put any crap on them.. its not needed
chris200x
09-06-2007, 12:06 AM
That's what I figured but just thought I'd ask.

Will this work?

http://cgi.ebay.com/ebaymotors/Yamaha-YZ-250-Gaskets-83-85-New_W0QQcmdZViewItemQQcategoryZ35595QQihZ020QQitem Z300147163385QQrdZ1QQsspagenameZWDVW
Bryan Raffa
09-06-2007, 12:15 AM
nope this one

http://cgi.ebay.com/ebaymotors/YAMAHA-TRI-Z-250-85-86-ENGINE-TOP-END-GASKET-KIT_W0QQcmdZViewItemQQcategoryZ43977QQihZ003QQitem Z130101235924QQtcZphoto

my old shop.. tell arron I sent ya!:D
Dirtcrasher
09-06-2007, 09:50 AM
I only use Three bond where two metal surfaces mate that have no gasket at all.

4 stroke rocker arm covers and some 2 stroke center cases come to mind.

I'd definitely scrap those gaskets you tried to use.
chris200x
09-06-2007, 10:59 AM
I only use Three bond where two metal surfaces mate that have no gasket at all.

4 stroke rocker arm covers and some 2 stroke center cases come to mind.

I'd definitely scrap those gaskets you tried to use.

I was thinking of scraping the gasket off and just trying the 3 bond on the base of the cylinder. (just because money is an issue right now) but I guess I'll just wait and do it right so I wont have to do it again. :(
jeffatc250r
09-06-2007, 12:25 PM
I was thinking of scraping the gasket off and just trying the 3 bond on the base of the cylinder. (just because money is an issue right now) but I guess I'll just wait and do it right so I wont have to do it again. :(

You will have much more piece of mind if you wait to do it right. :beer
ceaserthethird
09-07-2007, 01:12 PM
Do it right , Don't cheap out ...

Wait till funds are available if you have too
oldskool83
09-07-2007, 01:23 PM
dont use that stuff. its a pain to work with, it does more harm them good. bikes from the factory do not use it, just gasket on metal. i used it on my wifes old cr80 thinking i would be helping it out..turned out guy at the honda dealer told me to stay away from it, he worked there for 30 years on motors.