Question about Zongshen Motorcycles
I need a diagram of the vacuum system on a 2006 zongshen 250cc gs the vacuum lines have leaks and some are not even connected. it has a vacuum-powered fuel pump and has a vacuum to the carburetor. I need a diagram to connect all these vacuum lines @
Posted by Anonymous on
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Posted on Jan 04, 2020
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Posted on Jan 02, 2017
the solution is very simple
there are 2 nipples underneath the petrol tank
the upper nippel should be conected to the venturi nipple because this on opens the valve (can try by light sucking on it)
the second ore lower nippel should be conected to the carbs there is a conection in the middle of the four carb's
please be sur you use fresh petrol and clean the carbs (using compressed air)
when you try without cleaning filter it wil run but not wen you open the trottle (it's because of the vacuum carb's they need the veturi that is placed in the air filter compartment)
lots of suc 6
Posted on May 06, 2009
ok fuel fill lines are the 2 lines between carbs 1 n 2 and 3 n 4 toward the rear of the bike the 2 hoses coming out just in front of them are float bowl overflows that just get criss crossed over the carbs and ran thru the little holders on the frame. the only vacuum line is coming out of the side of carb 4, this line goes to the nipple on the petcock facing away from the knob. as for the fill lines the 1 between 1 n 2 goes to the nipple facing the rear of the bike and 3 n 4 goes to the 1 facing the front of the bike. hope this helps here is a link for a free service manual download. http://www.files.michaelmcmahon.org/1988-1997-GSX600-750-1100F-R.pdf try using www.katriders.com it is a lot more helpful than this site for katana issues.
Posted on Jul 03, 2009
On the one that has two hoses does it still have an "Off" position? Usually petcocks that have two hoses, one goes to the carb vacuum, and the other is for a fuel supply for the engine. That way it only allows fuel to flow when the engine is running. I have found these to be a poor design and can often leak and allow fuel to run into the engine if your carbs are acting up. If the replacement only has one hose, then it will work fine, just be sure to cap off the vacuum port on the carb.
Posted on Sep 24, 2009
Go to http://v4hondabbs.com/index.php. It is an excellent source of free information on Honda V Fours. Register and then ask away on anything you want to know about.
Ride Safely, Ed
Posted on Apr 09, 2010
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