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gavin.dude
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Joined: December 29, 2011
Posts: 283
Location: Cobb, Ga
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 Posted: Mon Mar 05, 2012 6:46 pm Post subject: motorcycle carb question |
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so Im converting my 440 over to a single carb and I kinda goofed up the manifold. Im use a mikuni flat slide in place of the crappy cv carbs and I was wondering if I could tilt the carb over just a bit. I forgot that the throttle cable goes in the top of the carb and to make the cable clear the seat I either have to lean it over or I have to add an elbow to the manifold. Could this possibly work?
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73 SB, Hormiga |
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doc1369
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Joined: March 31, 2010
Posts: 3055
Location: Las Vegas, NV, again
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| Posted: Mon Mar 05, 2012 6:59 pm Post subject: |
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Your best bet is to go with a down draft carburetor if you have to tilt it. I don't know why you don't like constant velocity carburetors, they are a great carburetor. Tuned correctly they are the best choice for the street.
*edit* OK I just saw the bike in anther thread. The 440 may be the worst engine Kawasaki ever build, you will over carburate that thing in a heat beat. I spent years working in a shop that specialized in KZ1000's, including racing them. The Yamaha parallel twin is a much better engine. If it's not too late that's the engine you want to slap a flat slide on.
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gavin.dude
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Joined: December 29, 2011
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Location: Cobb, Ga
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| Posted: Mon Mar 05, 2012 7:16 pm Post subject: |
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Ya haha it kinda sucks but I got it for free(traded skateboard my brother found for neighbor kids minibike for motorcycle) and the cv carbs are allright if you have the stock exhaust and airbox but I don't have the stock airbox and I chopped the exhaust all up. So I guess Im gonna have to extend the manifold then. I have an old downdraft dellorto off a vespa that I considered putting on but its got a weird shaped flange so I decided against it.
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73 KAFER
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gavin.dude
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Joined: December 29, 2011
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Location: Cobb, Ga
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| Posted: Tue Mar 06, 2012 5:24 pm Post subject: |
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Thanks man those look a lot better than mine, I might have to get one. I noticed he had his carb at about the same angle as mine in one of the pics so I think I'm good, at least until I decide to spend the 80 bucks on a shiny manifold.
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lukel
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Joined: October 07, 2011
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Location: Bellingham, WA
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| Posted: Wed Mar 07, 2012 10:27 am Post subject: |
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Hey I own a 82 kz550.
Jetting the carbs is always an option. It almost might be easier. But expirementation is the fun of it right!!
Those manifolds on that website look like a great idea, but I cant get over the welds that are gobbed on there like birdshit. You wouldn't really want a bad weld on one of those, could cause vaccum leaks.
You should post a pic of what you have to work with, if you can.
Also here is a great forum that I have been a member for years. Some smart fellas on here.
http://www.kzrider.com/ |
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gavin.dude
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Location: Cobb, Ga
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| Posted: Wed Mar 07, 2012 10:50 am Post subject: |
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| lukel wrote: | Hey I own a 82 kz550.
Jetting the carbs is always an option. It almost might be easier. But expirementation is the fun of it right!!
Those manifolds on that website look like a great idea, but I cant get over the welds that are gobbed on there like birdshit. You wouldn't really want a bad weld on one of those, could cause vaccum leaks.
You should post a pic of what you have to work with, if you can.
Also here is a great forum that I have been a member for years. Some smart fellas on here.
http://www.kzrider.com/ |
Well from what I've read the cv carbs that come on the 440 are pretty much untunable. I noticed the welds weren't exactly top notch but they're certainly better than mine haha, there's another guy that sells copper ones for about the same price and they're a little prettier so I might get one of those. Ill try to get a pic up in a minute.
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gavin.dude
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lukel
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Joined: October 07, 2011
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Location: Bellingham, WA
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| Posted: Wed Mar 07, 2012 4:36 pm Post subject: |
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The float bowl should be as level as possible, or you will suffer from starvation issues or flooding/overflow issues.
I think adding a slight elbow/bend to the manifold would be the right way to do it. The carb needs to be level.
Sick bike by the way! Looks like its going to make a sweet bobber. Did you do the hard tail yourself?
Here is one that built a few years back out of a gs550...
Walk around of it:
http://www.youtube.com/watch?v=p7hrit005CM
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gavin.dude
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Location: Cobb, Ga
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| Posted: Wed Mar 07, 2012 6:24 pm Post subject: |
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Thanks man, I started making the hardtail myself but I didn't get much farther than welding the axle plates in before it started to get trickier than I planned so I had a guy do the rest with a tig.
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ned
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| Posted: Wed Mar 07, 2012 10:50 pm Post subject: |
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"That`ll give you a rash ... for sure"  |
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