Gasket material for intake boots?

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06 Jan 2009 16:58 #256468 by mehall2
Gasket material for intake boots? was created by mehall2
Trying to get this old KZ550 running nice "on the cheap" and didn't want to take the plunge on new intake boots if I don't have to do it. I suspect an air leak and want to know if there's a recommended gasket sealer of the permatex variety which folks have had luck with. I just got it running and it runs a little hot and surges when I ride it.

I'm also up for making gaskets from the rubber based gasket material but really just wanted to see what's worked for folks. Maybe I'm being pennywise and pound foolish, but those things are over $80 guys! Probably should also look at some new airbox boots too since they could be letting some air in. I've tried using zip ties instead of the springs and that's helped some but I suspect I might have to bite the bullet.

'81 KZ550 LTD
'07 Yamaha FZ6

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06 Jan 2009 18:05 #256475 by jordan
Replied by jordan on topic Gasket material for intake boots?
i would also like to hear information on this. My intake boots are in great shape, but i can sometimes see it puff before it warms up between the boots and the head.

KZ810 streetfighter kz/gpz/gsxr
1983 gs1100e
1979 KZ 1000 1428 dragbike project
1974 kawasaki H1 500 sold :(
1972 Kawasaki s2 350-parted on ebay :(
1973 Kawasaki s2 350-parted on ebay :(
1982 kz750(sold)
1978 kz650 hardtail(sold)
1975 honda xl250-sold
1971 yamaha R5-sold
1982 yamaha xs400

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06 Jan 2009 18:06 #256476 by timebomb33
Replied by timebomb33 on topic Gasket material for intake boots?
bite the bullet pal it will save you pulling out your hair later spray some brake clean or carb cleaner around the boots when its hot to double check if they are leaking the rpms will change

1973 z1 2-1974z1-a,2-1975z1-b dragbikes1015cc+1393cc, 1977kz1000,1978kz1000,1981kz1000j, 1997 zx-11, 2000 z12r,1428turbo nitrous pro-mod and a shit load of parts thats all for now leader sask.,CANADA
I THINK MY POWERBAND BROKE

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06 Jan 2009 20:19 #256496 by MFolks
Replied by MFolks on topic Gasket material for intake boots?
I think on a forum or two someone mentioned using the "Plastic Dip" to line the inside of the boots/ducting.

It's the stuff tools can be dipped into improving grip.
I believe the person painted it on thin using a brush.

1982 GPZ1100 B2
General Dynamics/Convair 1983-1993
GLCM BGM-109 Tomahawk, AGM-129A Advanced Cruise Missile (ACM)

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06 Jan 2009 20:35 #256498 by Sandy
Replied by Sandy on topic Gasket material for intake boots?
Yes...buy new ones!
That is such a vital part of the whole operation of the engine,and diagnosing carb problems.
Sure,they may be able to be temporarily repaired,but when you least expect it...expect it.
And you know,it WILL be miles from home.:blush:

1977 KZ1000 A-1

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06 Jan 2009 20:57 #256503 by mehall2
Replied by mehall2 on topic Gasket material for intake boots?
Thanks for the input guys. Looks like I'll be putting an order into Z1 here soon. They have the carb holders but they're out of stock on the boots that come out the airbox apparently.

'81 KZ550 LTD
'07 Yamaha FZ6

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06 Jan 2009 20:58 #256504 by franknsr
Replied by franknsr on topic Gasket material for intake boots?
Just another yes vote, timebomb and sandy are right. There are lower cost alternatives but the bike may never be right. Even if you find a cheap used set you will run the risk of issues because like Forest Gump said, you never know what your gonna get.

Formerly CSRchopper
1991 KZ1000P
Gone but not forgotten
1986 ZG1000
1982 650 CSR -shoulda kept this one-
Lisle Illinois, USA

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06 Jan 2009 21:20 #256511 by dman3998
Replied by dman3998 on topic Gasket material for intake boots?
Is $80 the Kawi price? I just picked up a new set of 4 for my 1000 for $55 they are exactly the same except NEW and SOFT! check out Fleabay.

Dman

SE Idaho

"Smart only goes just so far, STUPID is UN-limited"

79 KZ1000 LTD
Honda XRL650L
Yamaha RD350B
Yamaha DT400B

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06 Jan 2009 21:42 #256517 by PLUMMEN
Replied by PLUMMEN on topic Gasket material for intake boots?
put a thin bead of clear silicone between the boots and the head when you install them ;)

Still recovering,some days are better than others.

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06 Jan 2009 23:03 #256520 by bountyhunter
Replied by bountyhunter on topic Gasket material for intake boots?
PLUMMEN wrote:

put a thin bead of clear silicone between the boots and the head when you install them ;)

That's what I did. Use the hi-temp black silicone rubber RTV stuff.

1979 KZ-750 Twin

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07 Jan 2009 06:37 #256541 by RonKZ650
Replied by RonKZ650 on topic Gasket material for intake boots?
I don't like silicon, but Yamabond #4 works great. Honda and Kawasaki has the same general stuff in their brand too. Be aware you'll be very lucky if the screws are not seized in the head so be patient in removal or you'll twist the head right off the screw.

321,000 miles on KZ's that I can remember. Not going to see any more.

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07 Jan 2009 08:11 #256550 by 650ed
Replied by 650ed on topic Gasket material for intake boots?
I suggest using Kroil on the screws for a couple days before trying to remove them. I did this on my '77 KZ650 and even though the screws had never before been removed (the bike was 29 years old at the time) the screws came out with no problem. Ed

1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)

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