Valve Cover Gasket - Honda Rebel Forum
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post #1 of 22 Old 12-01-2019, 12:07 PM Thread Starter
 
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Valve Cover Gasket

Hi there guys, I just tried for what feels like the 100th time to fit my valve cover gasket properly, I can't seem to get it to sit in the groove of the valve cover so it won't seal up properly.

How do you get your gaskets to stick in place while you're fitting the cover? I can't even get my gasket to sit 100% in the groove even while the cover is off, nevermind while trying to get the cover back on.
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post #2 of 22 Old 12-01-2019, 01:38 PM
 
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Honestly I don't try doing that anymore. I found it much easier to put the gasket in place first, then slowly drop the cover onto it. Too little space I was always dislodging it before I got it over the rocker parts.

1974 CB125S (purchased 1983, ate 2 crankshafts, sold 1984)
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post #3 of 22 Old 12-01-2019, 01:45 PM Thread Starter
 
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Originally Posted by leebrown66 View Post
Honestly I don't try doing that anymore. I found it much easier to put the gasket in place first, then slowly drop the cover onto it. Too little space I was always dislodging it before I got it over the rocker parts.
I've been doing that too but even still I am having major issues getting it to even stay in place or line up with the groove, it moves as soon as i try to put the cover on it.

The engine seems to angle downwards, do you prop the front wheel up with a stand to get everything to lie horizontally?
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post #4 of 22 Old 12-01-2019, 04:16 PM
 
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No, if anything it was probably just on the rear stand, I don't remember.



You could try very lightly smearing regular grease on the gasket to get it to stick to the cover, before working it over the top. The top doesn't get near hot enough to turn the grease into anything nasty and if you do get a tiny amount in the rocker box, it's not going to harm the engine.



Asides from that, perseverance is all I got to offer!
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1974 CB125S (purchased 1983, ate 2 crankshafts, sold 1984)
1986 Rebel 250 / N. California (purchased 2019)
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post #5 of 22 Old 12-01-2019, 05:15 PM Thread Starter
 
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Originally Posted by leebrown66 View Post
No, if anything it was probably just on the rear stand, I don't remember.



You could try very lightly smearing regular grease on the gasket to get it to stick to the cover, before working it over the top. The top doesn't get near hot enough to turn the grease into anything nasty and if you do get a tiny amount in the rocker box, it's not going to harm the engine.



Asides from that, perseverance is all I got to offer!
That sounds like a good idea, I'll try and get my front stand set up so the surface is level.
At the moment i'm getting a good fit everywhere except one corner and i'm not sure how to work it in exactly, when I get the other areas snug I don't have enough room to push this last bit into place..
I've tried doing this about 10 to 15 times and I always end up with one area leaking air, it's infuriating and I can't ride the bike at all because of it. Stupid design.
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post #6 of 22 Old 12-01-2019, 09:19 PM
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IIRC, the gasket stays attached to the cover when I remove it, and doesn't come off or deform when replacing it. YMMV
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Keepin' all the left over parts. Gonna use 'em to build another bike!

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post #7 of 22 Old 12-02-2019, 12:11 PM Thread Starter
 
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Originally Posted by flitecontrol View Post
IIRC, the gasket stays attached to the cover when I remove it, and doesn't come off or deform when replacing it. YMMV
That's a great help! I seem to recall that now you say it but it's been so long since I first got stuck with this gasket.

I'll try hitting the cover's gasket groove with gasket maker/sealant/bond and then working the gasket itself into half of it, then letting it dry for 48hrs before working the rest of the gasket in. I'll have to order some and wait first but I'll write a comment in here once I do the job, it might help someone in the future if it works! I tried using some loctite I had lying around before but it didn't do any good.

Thank you very much for mentioning that there, it's a really great help so it is.
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post #8 of 22 Old 12-02-2019, 01:47 PM
 
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Try this.
It is made for holding difficult gaskets in place.
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2001 CMX250C Rebel
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post #9 of 22 Old 12-02-2019, 02:34 PM Thread Starter
 
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Try this.
It is made for holding difficult gaskets in place.
Already there I bought this earlier and am waiting for it to arrive. Silicone-based adhesive. Nice to have the confirmation though, wasn't sure it was the right stuff because of the "gasket maker" labelling
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post #10 of 22 Old 12-02-2019, 03:04 PM
 
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sounds like the gasket has dried up and shrunk or is non oem
i'd try sticking in a shallow pan of brake fluid to swell the rubber up a bit..
my 33 year old valve cover gasket is very flexible and drops into grove easily

96 VS800 Intruder (sold 2018 ), 87 CMX250C Rebel,
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