O ring lube ? Assembling carbs now

[Charlie G]

What should I lube/spray the o rings with, when I install them in the Carbs ?

cg

[rustybronco]

I use a very light touch of synthetic chassis grease (royal purple) on them.

http://cycleorings.com/

Material = Nitrile (Buna-N), 70 Durometer. This is the ideal material for this application.

http://www.mcmaster.com/#nitrile-o-rings/=37bvvk

Standard: Recommended for use in oil applications due to its good resistance.

***edit*** a light swipe of bearing/chassis grease- motor oil- white lithium-??? should do fine.

[Charlie G]

Thanks, I couldn't find what to use, just knew I needed to use something.

cg

[almarconi]

I like silicone spray. It's safe on rubber.

[GSJim69]

I use silicone paste. Been using it for years. Many airplanes are flying around with it.

[Steve]

Many airplanes are flying around with it.

I just love it when something else is brought in to justify or validate an argument.

Just because it works in airplanes does not mean it's right in motorcycles.

In this case, the silicone (either spray or paste) would work well, but rather than go searching for some specialized product like the paste, simply use a drop or two of oil. I don't think it would really matter very much whether it's motor oil, gear oil, 3-in-1 oil, sewing machine oil, whatever, you just need something to let the o-ring slide into its housing.

Personally, I use a light synthetic oil, but mainly because that's what came in the 1.5 fl. oz. squeeze bottle with a fine tip that will easily dispense a fraction of a drop, if necessary.

.

[tkent02]

Saliva works well.

[Charlie G]

You folks are great! I couldn't find chassey greese so just tried a of oil. These are my first m/c carbs and am in a bit of a panic to get her going.Thanks all.

cg