o ring under main jet washer?

[s276l]

3 of my 4 carbs had orings under the washer on the main jet. Every place I look does not show the oring... Do I need it?

Thanks,
Sean

[bluewool]

It would be easier if we knew what bike. You should add it to your signature.

[s276l]

82' GS550L. I am going to blame that brain fart on the daytona 200

[mike_of_bbg]

Are you talking about the MAIN jet or the IDLE screw?

The idle screw has a washer and o-ring under the spring. Both are very easy to lose (as I have done).

http://www.thegsresources.com/images/carbs/028_Air%20screw%20components%20exploded.jpg

I don't recall the main jet having an o-ring under it, but it's been a while.

http://www.thegsresources.com/images/carbs/042_Main%20jet%20pointed%20out.jpg

http://www.thegsresources.com/images/carbs/056_Removing%20main%20jet%20washer.jpg

[bluewool]

Not on mine. Main jet - flat brass washer - screws into the needle jet.


You have to be careful about the nomenclature. Guys like to make up their own names for things.

[s276l]

its the main for sure. im just gonna take them out.

[Guest]

No o-ring just copper washer

[earlfor]

No o-ring just copper washer

Gotta go with that. Every Mikuni carburetor I have seen had only a copper washer.

Earl