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| reed |
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 reed Nearly there...

Joined: 28 Oct 2012 Karma :  
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 Posted: 21:06 - 26 Aug 2013 Post subject: Brand new set of carbs? |
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I have just found a place online that sells brand new set of OEM carbs, rear shocks etc for my bike for a very good price.
What is involved with putting a brand new, never before used set of carbs on a bike? (1999 hornet) would they need balancing, adjusting etc?
Thanks people.  ____________________ Generic XOR 50, Gilera SMT 50, GSXR 400 GK73A, Ducati Monster 600, Honda Hornet 600.
Sold. Stolen. Written off. Sold. Current. |
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| Blau Zedong |
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 Blau Zedong Banned

Joined: 26 Jun 2006 Karma :     
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 reed Nearly there...

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| RhynoCZ |
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 RhynoCZ Super Spammer

Joined: 09 Mar 2012 Karma :     
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 Posted: 22:06 - 26 Aug 2013 Post subject: |
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You can build your own manometer at home, nothing difficult and it is accurate enough. The only thing you can not fabricate and you might are going to need is screws, that you screw into the manifold instead of the blind ones. There you're gonna plug in hoses of the manometer.
Try it, it's quite handy to know how this works
EDIT: something like this would be alright: https://www.youtube.com/watch?v=0nKaGEMLZjs ____________________ '87 Honda XBR 500, '96 Kawasaki ZX7R P1, '90 Honda CB-1, '88 Kawasaki GPz550, MZ 150 ETZ
'95 Mercedes-Benz w202 C200 CGI, '98 Mercedes-Benz w210 E200 Kompressor |
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| reed |
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 reed Nearly there...

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| RhynoCZ |
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 RhynoCZ Super Spammer

Joined: 09 Mar 2012 Karma :     
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 Posted: 22:21 - 26 Aug 2013 Post subject: |
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It is possible that those carbs will be all synced, but I wouldn't bet my money on it. There's also a paper clip method, You take a paper clip or any hard wire and put into the carburetor from the throttle side and set the idle of the whole set so the 1st carburetor can barely hold the clip/wire and then set manualy 2nd, 3rd and 4th individualy to hold that clip/wire the same. Then you use your idle screw for the whole set to set it at approx 1400rpm and you're good to go. But this isn't that accurate and it is possible only when you've got the carbs in your hand.
You see, the whole magic about carb synchronising is to open/close all 4 throttles the same so there's the exact same amount of air coming through into the engine, which can be achieved with the paper clip/wire method. But, you should learn the manometer method, it is more practical and faster if you don't want to pull out the carbs.
EDIT: One more thing I remebered, DO NOT FORCE the clip/wire/needle... into the throttle, you do not want to damage it. To be safe, just make it so the clip/wire can slide freely in and out there, like when you do your valve clearances with feeler gauge  ____________________ '87 Honda XBR 500, '96 Kawasaki ZX7R P1, '90 Honda CB-1, '88 Kawasaki GPz550, MZ 150 ETZ
'95 Mercedes-Benz w202 C200 CGI, '98 Mercedes-Benz w210 E200 Kompressor |
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| Xenocide |
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 Xenocide Scooby Slapper

Joined: 17 Aug 2008 Karma :  
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 Posted: 11:30 - 27 Aug 2013 Post subject: |
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| RhynoCZ wrote: | It is possible that those carbs will be all synced, but I wouldn't bet my money on it. There's also a paper clip method, You take a paper clip or any hard wire and put into the carburetor from the throttle side and set the idle of the whole set so the 1st carburetor can barely hold the clip/wire and then set manualy 2nd, 3rd and 4th individualy to hold that clip/wire the same. Then you use your idle screw for the whole set to set it at approx 1400rpm and you're good to go. But this isn't that accurate and it is possible only when you've got the carbs in your hand.
You see, the whole magic about carb synchronising is to open/close all 4 throttles the same so there's the exact same amount of air coming through into the engine, which can be achieved with the paper clip/wire method. But, you should learn the manometer method, it is more practical and faster if you don't want to pull out the carbs.
EDIT: One more thing I remebered, DO NOT FORCE the clip/wire/needle... into the throttle, you do not want to damage it. To be safe, just make it so the clip/wire can slide freely in and out there, like when you do your valve clearances with feeler gauge  |
Erm that's not really the point. It's all very well having 4 carbs perfectly synced to each other but if one cylinder's valves are more worn then they're going to need a different amount of fuel to the others. What you're talking about is bench syncing which is a good way to get a good starting point but you'll need to sync them again on the bike. ____________________ KTM LC4 400 | Honda VTR1000 |
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| anthony_r6 |
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 anthony_r6 World Chat Champion

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| reed |
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 reed Nearly there...

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| reed |
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 reed Nearly there...

Joined: 28 Oct 2012 Karma :  
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 Posted: 12:46 - 27 Aug 2013 Post subject: |
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| RhynoCZ wrote: | It is possible that those carbs will be all synced, but I wouldn't bet my money on it. There's also a paper clip method, You take a paper clip or any hard wire and put into the carburetor from the throttle side and set the idle of the whole set so the 1st carburetor can barely hold the clip/wire and then set manualy 2nd, 3rd and 4th individualy to hold that clip/wire the same. Then you use your idle screw for the whole set to set it at approx 1400rpm and you're good to go. But this isn't that accurate and it is possible only when you've got the carbs in your hand.
You see, the whole magic about carb synchronising is to open/close all 4 throttles the same so there's the exact same amount of air coming through into the engine, which can be achieved with the paper clip/wire method. But, you should learn the manometer method, it is more practical and faster if you don't want to pull out the carbs.
EDIT: One more thing I remebered, DO NOT FORCE the clip/wire/needle... into the throttle, you do not want to damage it. To be safe, just make it so the clip/wire can slide freely in and out there, like when you do your valve clearances with feeler gauge  |
To be honest, if they need balancing, I would rather pay my local garage £40 and know they are done properly, than make my own device and do it. Thanks for the info though. ____________________ Generic XOR 50, Gilera SMT 50, GSXR 400 GK73A, Ducati Monster 600, Honda Hornet 600.
Sold. Stolen. Written off. Sold. Current. |
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| anthony_r6 |
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 anthony_r6 World Chat Champion

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Old Thread Alert!
The last post was made 12 years, 170 days ago. Instead of replying here, would creating a new thread be more useful? |
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