Honda-SOHC
SOHC.co.uk Forums => CB750 => Topic started by: philward on March 07, 2017, 07:04:10 PM
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Now that I have stripped the set of carbs I bought last year for the CR750 project, I've discovered that no 4 carb is damaged (looks like they have been dropped) - the float bowl joint lip - on the main body is chipped. The mouth of the airfilter opening is also bashed. Before I go and buy a set of carbs just to use one carb body, has anybody got a spare they can sell me? Its just the body I need,
Phil
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show a pic of the damage, lip is not a problem
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I know it would seal on the rubber seal (lip is to locate seal) - but the lip is visible on and as the rest of the carbs will be visibly like new (all re-plated/polished), just wanted to replace while they are in a milion bits - just wanted it 100% Graham
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Maybe this can help
http://forums.sohc4.net/index.php/topic,163931.0.html
John
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Cheers John - will see if anybody from UK can help to avoid postage costs from the States - if not its an option
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This any good Phil?
Rich
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I think that is No 3 carb Rich - its No 4 I'm after (air screw on right and fuel feed/brass male pipe for rubber balance pipe on left) - see pics
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This one ??
The slide is stuck and i'm short of play time to get it out.
it's yours if yous want it.
Rich
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Thats the one Rich - I'll PM you - Thanks
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All now sorted thanks to RGP750 - donation made at Rich's request
Thanks again
Phil
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Good result well done Rich...
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Least i can do.
Had loads of help from here.
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I got the carb from Rich today (Thanks Mate) - some slight differences that I need to see if they make a difference.
First the brass insert that the needle slides into (see CSML link and picture) sticks up higher than my carb - how do I get this out so I can change them over? http://www.cmsnl.com/honda-cb750k6-four-france_model14385/needle-setjet_16012392004/#.WMKgAjuLTIU
I guess it taps out but I have tried and it seems solid (unless I'm tapping from the wrong way)
Second, when looking at the roof of the float chamber, there are 2 holes - on the repacement carb, one with a brass reducer (like a jet) and one without - see pics. My original has no brass reducer in just the 2 holes. My other carbs (1,2,3 carbs) have one reducer - so it may be somehow its fell out - or No 4 carb may not have a reducer on that model/carb run (I bought them of ebay so don't know what model there off - the CR Rep has been built from parts starting with a K2 frame I had)
Carb markings are different - mine are '064A ANH' and replacement is '657A LC1'
Once again, any help much appreciated.
PHIL
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You take the rubber duck and grab it by the neck, turning it towards the left ;D ;D ;D
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I think that will confuse everybody except you and me Graham! :)
Sorted this now (Thanks again to Graham) - the needle 'guide' drifts out from the top - I tried it from the bottom.
Second question doesn't matter now as I can now use the carb that Rich provided
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Great news Phil
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Carbs nearly done - its amazing what a bit of zinc plating and elbow grease does (and a few spares from forum members!) can do!
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I think Gerben has some competition Phil, they are looking great.
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Julie, who is Gerben?
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http://www.sohc.co.uk/index.php/topic,12323.0.html
Professional carb builder Phil, based in Holland.