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| Vacuum petcock lever leak problem........ http://www.kawi2strokes.com/forum/viewtopic.php?f=14&t=5989 |
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| Author: | Peter 750 [ Wed Oct 09, 2013 12:57 am ] |
| Post subject: | Re: Vacuum petcock lever leak problem........ |
I used a nos 4 hole gasket and it failed, than I bought a brand new original Kawasaki 4 hole gasket, it dissolved in a short time. I went for a new Suzuki 4 hole gasket, and it is ok until now, but I don't move the lever....I don't trust it anymore. I use Shell V-Power fuel that contains zero to 2% ethanol where I live...all other brands contain up to 8% ethanol.....altough only 5% is allowed by law.... |
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| Author: | Looney Cylinders [ Fri Nov 08, 2013 1:53 am ] |
| Post subject: | Re: Vacuum petcock lever leak problem........ |
4 hole gaskets can be hand stamped out of .107in. (possible sold as 1/8 in) viton sheet. I've been using one since 2005. A very light smear of silicone fuel resistant grease helps too. J |
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| Author: | JohnnyO [ Sat Nov 09, 2013 10:28 am ] |
| Post subject: | Re: Vacuum petcock lever leak problem........ |
Has anyone found a issue with a Pingel ??? Other than you have to shut it off everytime you stop bike.. |
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| Author: | Peter 750 [ Sat Nov 09, 2013 10:42 am ] |
| Post subject: | Re: Vacuum petcock lever leak problem........ |
http://www.z1parts.net/product/kawasaki ... 1023-040-2 |
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| Author: | ron [ Tue Jun 03, 2014 5:23 pm ] |
| Post subject: | Re: Vacuum petcock lever leak problem........ |
I tried that aftermarket one that Z1 parts sells ............. WHAT A PIECE OF CACK! Went right back to my stock one, works great. |
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| Author: | Peter 750 [ Wed Jun 04, 2014 12:38 am ] |
| Post subject: | Re: Vacuum petcock lever leak problem........ |
ron wrote: Went right back to my stock one, works great. So why change it...?? ( and what's bad about the Z1 petcock..?) |
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| Author: | Comstock.douglas [ Tue Jun 24, 2014 7:33 pm ] |
| Post subject: | Re: Vacuum petcock lever leak problem........ |
My KH500 1976 is new to me, It has not run in 25 years, The petcock pours fully in the prime position but trickles about 1/2 the volume of fuel in the other two positions. The diaphram is not broken or hard but kind of stretched. Is no fuel to pass through with-out engine vacume while running and is the aged diaphram the likely problem? Where do I get a new diaphram? |
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| Author: | Jim [ Tue Jun 24, 2014 8:15 pm ] |
| Post subject: | Re: Vacuum petcock lever leak problem........ |
The diaphragms usually are not the problem. Is the o-ring on the plunger that's attached to the diaphragm intact? I can be replaced with an industry #007 Viton O-ring. Also, if the 4-hole gasket is ripped, it can flow when it's not supposed to. I understand that 4-hole gasket was also used on the Suzuki GT750, and is 1/2 the price from Suzuki as it is from Kawasaki. |
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| Author: | bill in okc [ Tue Aug 26, 2014 8:11 am ] |
| Post subject: | Re: Vacuum petcock lever leak problem........ |
I just went through this. I used a 1200 grit sandpaper on a flat surface and lapped the lever's sealing surface to a near mirror finish. Leak fixed plus the lever is easier to turn now. Thanks to the OP for the tip. Bike started for the first time this morning 
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| Author: | mach3restore [ Wed Feb 18, 2015 7:31 pm ] |
| Post subject: | Re: Vacuum petcock lever leak problem........ |
Can you just run it on prime,????? |
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