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Author Topic: O-rings for push in main jets  (Read 1025 times)

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Offline Scott S

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O-rings for push in main jets
« on: November 11, 2012, 08:30:11 AM »
 Where can I get the O-rings for the push in main jets on a CB500/550?

 I believe they're supposed to be 1.2mm cross section X 3.5mm I.D.
 Do they need to be nitrile or something special to stand up to fuel?
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'71 CB500 K0
'17 Triumph Street Scrambler
'81 Yamaha XS650

Offline Bootlegger56

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Re: O-rings for push in main jets
« Reply #1 on: November 11, 2012, 09:39:22 AM »
I used Buna-N on mine from the O-ring store.  Buna-N is nitrile.  I think I got enough to rebuild four sets of carbs for @ 5 bucks.  I havnt had any problems them.  I think that viton is an upgrade in both performance and price......but I aint the know all end all of o-ring googleology.
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Offline Scott S

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Re: O-rings for push in main jets
« Reply #2 on: November 11, 2012, 10:41:22 AM »
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'17 Triumph Street Scrambler
'81 Yamaha XS650

Offline lostinthe202

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Re: O-rings for push in main jets
« Reply #3 on: November 15, 2012, 09:47:51 PM »
Yup, that's the place.  You can get everything for less than what it costs to ship them!


Needle Jet 1.5 x 5

Main Jet 1.2 x 3. 5

Bowl Drain Screw 2mm x 4

Float Bowl 2 x 68

Fuel feed tee 2 x 7
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