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Honda CB750/900/1100F SuperSport Website: SuperSport Forums


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nathanhouse
Silver CB900F
Silver CB900F



Joined: Oct 05, 2008
Posts: 1449
Location: Dover, NH

PostPosted: Fri Nov 09, 2018 5:45 pm Reply with quote Back to top

So there is a 20mm thread size petcock and also another side correct? What is that size?
 
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krgood0
CB1100F
CB1100F



Joined: Jun 18, 2006
Posts: 2511
Location: UK

PostPosted: Fri Nov 09, 2018 6:28 pm Reply with quote Back to top

There is also a 18 and 16mm Nathan

Here is a link to Genes petcock guide

http://www.cb750c.com/Genesound/Petcocks_79-83_DOHC.html

_________________
1982 CB1100RC
1982 CB1100RC
1983 CB1100F/R rep
1981 CB985
2006 CBR600F
1979 Honda CBX1000 
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nathanhouse
Silver CB900F
Silver CB900F



Joined: Oct 05, 2008
Posts: 1449
Location: Dover, NH

PostPosted: Fri Nov 09, 2018 9:38 pm Reply with quote Back to top

That's a great help to sort out what part numbers came on which bikes. I'm looking for thread sizes for all the different petcocks to see which one may be easily available. I need to make an aluminum weld in bung for the petcock. I'm hoping to either make or find one that's already made but I need to know the specifics of the threads.


Last edited by nathanhouse on Sat Nov 10, 2018 12:12 pm; edited 1 time in total 
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krgood0
CB1100F
CB1100F



Joined: Jun 18, 2006
Posts: 2511
Location: UK

PostPosted: Sat Nov 10, 2018 11:33 am Reply with quote Back to top

Nathan

When I got my replica 1100R alloy tank it had a 16mm bung with a Tap with a 6mm outlet on

It was also slighty out of position so i had a new M20 X 1mm pitch bung made and used a late CB900/1100F tap which you can get a repair kit for from a forum member

I made a couple of flats on the bung to reduce the size before welding

Keith

[img]Image[/img]

[img]Image[/img]

_________________
1982 CB1100RC
1982 CB1100RC
1983 CB1100F/R rep
1981 CB985
2006 CBR600F
1979 Honda CBX1000 
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nathanhouse
Silver CB900F
Silver CB900F



Joined: Oct 05, 2008
Posts: 1449
Location: Dover, NH

PostPosted: Sat Nov 10, 2018 12:14 pm Reply with quote Back to top

Nice! Thanks Keith!
 
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