Silicone gasket OK? - Kawasaki KLR 650 Forum
1987 to 2007 Wrenching & Mods For maintaining, repair or modifications of Generation 1 KLR's. 2007 and earlier.

 
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post #1 of 5 Old 07-01-2013, 01:16 PM Thread Starter
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Silicone gasket OK?

I'm taking the cam chain tensioner off since I think the gasket might be leaking slowly (I hope it's that gasket—otherwise it's the head gasket, and I don't want to deal with that.)

I have a sheet of silicone gasket maker material which I could cut to replace the paper gasket. The gasket maker material is thin, but still about 2× thicker than the paper gasket.

Questions: any problem with a silicone gasket there?

Will a silicone gasket be less prone to sticking to the parts?
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post #2 of 5 Old 07-01-2013, 01:34 PM
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Can't you clean the area well to see which gasket is leaking? I don't see an issue with the silicone gasket as long as it is rated for heat and petroleum products. Sheets of good gasket material is available at any auto parts store too...
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post #3 of 5 Old 07-01-2013, 05:49 PM Thread Starter
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Quote:
Originally Posted by SkiBumBrian View Post
Can't you clean the area well to see which gasket is leaking?
Kinda. It's a very slow seep, so after a few hundred miles, there is a trace indication of oil around the cam chain tensioner, and also along the head gasket area above it. It's not heavy enough to drip anywhere.

Maybe If I put a layer of dust on, and then ran it for a while I could find a wet spot in the dust, or at least home in on the location.

I half-suspect the cam chain tensioner gasket, because when I put the previous one on, there was an "incident" and the gasket tore, and I put it on all the same. But I only have my hopes up so high, because it just looks more like it's coming out of the head gasket.

Quote:
I don't see an issue with the silicone gasket as long as it is rated for heat and petroleum products. Sheets of good gasket material is available at any auto parts store too...
Ooops, my gasket-fu is weak. I cut it out and put it on, but when I got the faintest trace of pressure on it, it wormed out the side. Maybe this material is too stretchy, or not thick enough for the application. So screw it, I just put a new paper one on there.
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post #4 of 5 Old 07-01-2013, 08:25 PM
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i honestly think your better off with paper, use a little rtv to make it stick and i mean a little. i have seen some pics of guys getting thier oil screens plugged with the stuff effectivily choking dirty oil from getting filtered. also causing some pretty nasty foul ups with the engines.

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post #5 of 5 Old 07-02-2013, 09:37 AM
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I personally don't use RTV, period. Like Scrapper said, virtually every KLR comes from the factory with an oil screen packed with silicone from over zealous assemblers. If I need to hold a gasket in place (or the cylinder base gasket) I will use a very thin film of Hylomar or other gasket dressing. Oozy, sploogy RTV just makes the job look like a hack....
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