Author Topic: Main Jet 0 rings  (Read 645 times)

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Offline fodzilla

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Main Jet 0 rings
« on: December 03, 2015, 03:10:06 PM »
Anyone know the size of the o-rings on the main jets?  There the push in jets on my carbs.

Frames a 73 k1 but the engine seems to be a k2 with 120 mains.  Not sure if these are original or previous owner fitted.
CB500 Four K1 '75

Offline HondaMan

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Re: Main Jet 0 rings
« Reply #1 on: December 03, 2015, 03:19:09 PM »
Anyone know the size of the o-rings on the main jets?  There the push in jets on my carbs.

Frames a 73 k1 but the engine seems to be a k2 with 120 mains.  Not sure if these are original or previous owner fitted.

Is this a CB500/550/400F/350F? Then they are 1x4mm, can also fit 1.1x3.9mm.
See SOHC4shop@gmail.com for info about the gadgets I make for these bikes.

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Offline fodzilla

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Re: Main Jet 0 rings
« Reply #2 on: December 04, 2015, 07:11:27 AM »
Thanks a lot!  Any of the forum users here from the UK and know a decent suppiler that isn't knocking them out for $8.00 with postage?

Must be able to get them in the UK of course!
CB500 Four K1 '75

Offline HondaMan

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Re: Main Jet 0 rings
« Reply #3 on: December 04, 2015, 04:46:12 PM »
Thanks a lot!  Any of the forum users here from the UK and know a decent suppiler that isn't knocking them out for $8.00 with postage?

Must be able to get them in the UK of course!

You might also try a Parker supplier, if there is one near you. They often have a crossover size reference to the SAE sizes. The 1mm is 0.40" in those section sizes.
See SOHC4shop@gmail.com for info about the gadgets I make for these bikes.

The demons are repulsed when a man does good. Use that.
Blood is thicker than water, but motor oil is thicker yet...so, don't mess with my SOHC4, or I might have to hurt you.
Hondaman's creed: "Bikers are family. Treat them accordingly."

Link to Hondaman Ignition: http://forums.sohc4.net/index.php?topic=67543.0

Link to My CB750 Book: https://www.lulu.com/search?adult_audience_rating=00&page=1&pageSize=10&q=my+cb750+book

Link to website: www.SOHC4shop.com

Offline goldarrow

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Re: Main Jet 0 rings
« Reply #4 on: December 04, 2015, 04:58:24 PM »
I have extras of these o-rings, but I don't know if postage from USA to uk makes sense
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Offline Tim2005

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Re: Main Jet 0 rings
« Reply #5 on: December 06, 2015, 02:56:02 AM »
What bike is this? I use 1.5 x 3.5mm ones in the 400f, they are a bit of a tight fit, but they do work ok, I do have some spare & am in UK...

Offline fodzilla

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Re: Main Jet 0 rings
« Reply #6 on: December 07, 2015, 04:24:00 PM »
What bike is this? I use 1.5 x 3.5mm ones in the 400f, they are a bit of a tight fit, but they do work ok, I do have some spare & am in UK...

Thanks for the responses!  I think I just found someone in the UK that can supply!  I'll let you know how I get one.

Where abouts in the UK are you Tim2005? I'm Manchester, always keen to meet a fellow fan!

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« Last Edit: December 07, 2015, 04:28:48 PM by fodzilla »
CB500 Four K1 '75