Mc101 crankcase end cover gasket/sealant

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philrock
Posts: 104
Joined: Thu Oct 25, 2007 10:38 am
Vintage Karting items owned: Mc101 engines
1977 Hartman Blue Streak
Location: San Luis Obispo, CA
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Mc101 crankcase end cover gasket/sealant

Post by philrock » Mon Jun 20, 2011 5:12 pm

I'm re-assembling one my my Mc101s. The crankcase end cover gasket did not survive the disassembly process, and I have not been able to locate a new gasket anywhere. I've been told you can just skip the gasket and use RTV or other good sealant here.

What do you think about not using a gasket?

If I find a gasket, should I use a sealant too?

What sealant would you recommend? I have clear RTV, red high-temp RTV, Hylomar, and Copper-Coat.

Dick Teal
Posts: 229
Joined: Tue Sep 04, 2007 10:12 pm
Vintage Karting items owned: 1959 Mak-Kart, 1960Fox 60L, 1961 Fox (2), 1962 Fox, 1963 Fox, 1964 Fox, Margay New Breed
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Re: Mc101 crankcase end cover gasket/sealant

Post by Dick Teal » Mon Jun 20, 2011 7:15 pm

Phil,

If the stuffer misses the crankshaft when you turn the engine over you can leave the gasket out. I use Ultra Grey RTV that I buy at NAPA. You can probably get the gasket from GEM if you want one. If you don't have their number e-mail me for it.

Dick Teal

Rob Voska
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Joined: Fri Jun 15, 2007 9:04 am

Re: Mc101 crankcase end cover gasket/sealant

Post by Rob Voska » Tue Jun 21, 2011 11:47 am

NAPA sells gasket paper in different thickness. Easy to cut out.

philrock
Posts: 104
Joined: Thu Oct 25, 2007 10:38 am
Vintage Karting items owned: Mc101 engines
1977 Hartman Blue Streak
Location: San Luis Obispo, CA
Contact:

Re: Mc101 crankcase end cover gasket/sealant

Post by philrock » Tue Jun 21, 2011 12:23 pm

Thanks for your help, guys.

There's a small amount of end play, even with no gasket, so I'll probably just skip the gasket and use Hylomar.

btw, since I started this thread, I found that Marmax Karts and Parts does sell the gasket.

Phil Rockwell

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