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petcock install

  • Thread starter Thread starter geol
  • Start date Start date
G

geol

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Getting my painted body parts back tomorrow after last coat of clear is shot today. I have a new gasket (oring I guess) for the petcock but have noticed that both my previously GS bikes had liquid gasket used as well as the OEM gasket to seal this area. Is liquid gasket recommended by folks who have done this previously?
 
Skip the liquid gasket goop- get two 1/4 inch sealing washers to put under mounting bolts. They have rubber bonded to metal washer- probably 40 cents each at decent hardware store.
 
It wouldn't hurt but you probably won't need it. I've replaced 2 petcocks with Pingle models. They recommend using a very light amount of a silicone sealant; in fact, they used to include it with the petcocks but no longer do. I used an incredibly small amount both times and had no leaks. Was it necessary? I have no idea but if I did it again, I'd do it the same way.

Using new Dowty sealing washers that Tom has mentioned are a very good idea on the OEM application. (On Pingles, they aren't used because the mounting plate is different.)
 
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I install pingel adapter plates on almost all bike rebuilds and use a manual shut off petcock and am very familiar with that process... just wondering about the OEM petcock. The one I took off seemed to work just fine so I will reuse it. Will check on the sealing washers... there were none when I took it off as I recall. I think if these were needed, some fuel resistant RTV on the bolt thread would work as well.
 
"Fuel resistant" or not, you use RTV on your bike, you deserve what you get. :oops:

Splurge, get the washers that are supplied by Suzuki, if you can't find them locally.
They are a couple of bucks from Suzuki, but will last another 20-30 years, like the originals.

.
 
I put them on dry, never had a leak unless the rubber is shot. Any of those sealing washers will work fine.
 
I just went down to the local Suzuki store and bought a new gasket and those 2 sealing washers. It was $11 for all. I wish I'd seen this earlier about HD sealing gaskets. I paid $1.55 each from Suzuki. Don't leave them out. They will leak around the bolts without them.
 
tkent02 said:
I put them on dry, never had a leak unless the rubber is shot. Any of those sealing washers will work fine.
Click to expand...

I don't even question it. When I need to pull the petcock I put on a new gasket and sealing washers. Life is too short to live with a fuel leak.
 
850GT_Rider said:
NO - it will not.
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Hylomar works. My petcocks are secured by 6mm bolts and plain washers with a smear of Hylomar on both faces of the washers, and some up the threads. Let set for a couple of hours or overnight before filling it - actually, that might not be necessary, it's just something I did.
 
Grimly said:
Hylomar works. My petcocks are secured by 6mm bolts and plain washers with a smear of Hylomar on both faces of the washers, and some up the threads. Let set for a couple of hours or overnight before filling it - actually, that might not be necessary, it's just something I did.
Click to expand...
What is this and where can you get it?
 
Hylomar is available in an autoparts store. It is a high end gasket sealant.

For those that have suggested the special washers, I live about 30 miles (and about 50 miles from a Suzuki dealer) from most anything except a True Value which is 7 miles away. I checked with them yesterday and they don't sell the Dowty washers. I ordered some NOS parts from an eBay seller but will try the Hylomar as I do have that on hand. I will stick the OEM washers on when they arrive.

I often wonder how many folks who are trying to help and respond to these questions have actual first hand knowledge when they offer advice or perhaps they are repeating something someone else said. I have found some of the folks here actually are very helpful and the art of taking advice is figuring out who these individuals are. I thank all who replied.
 
Just install it like the factory did. No RTV or any other sealant needed. Just use the right gasket and the sealing washers. Done.
 
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geol said:
Mr. 850GT, Just curious, have you tried fuel resistant RTV and found it to not work? Do you have first hand experience with this? Just curious... thanks
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YES. I don't recall the brand, but I do recall it was supposed to be fuel-resistant. Only thing different between seepage/no seepage was to remove it and use the proper washers.

That said, I have not heard of Hylomar, so that particular product may indeed work as advertised.

As to other comments here about "who can you trust?", I personally try to limit my advice to actual experience. Take it or leave it, I care not.....
 
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