Recommendations for Jet kit - Motorcycle Forum
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post #1 of 7 (permalink) Old 03-30-2016, 11:09 AM Thread Starter
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Recommendations for Jet kit

So now that the V&H exhaust is in, would be a good time to jet the carb since I didn't think of it before hand.

Any recommendations, or even kits to stay away from? I'm generally a fan of keeping like brands together, so the V&H kit was an option, but not dead set as of now.
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post #2 of 7 (permalink) Old 03-30-2016, 11:38 AM
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Use the brand that fits your carburetor, ie.: Keihin, Mikuni, S&S, or whatever.

What I would do first is find out if you need to re-jet. Put in a fresh set of plugs and go for a nice long ride with as much of it at highway speeds as you can. Do 60-100 miles, even if you have to do it over more then one day. Then pull your plugs and see if you're running lean. If so, and the pipes are the only thing I've changed, I usually start with 1 size up on the pilot jet and 1 size up on the main jet. If you have a carburetor with an adjustable jet needle you can try repositioning the needle clip before you re-jet.
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post #3 of 7 (permalink) Old 03-30-2016, 11:42 AM Thread Starter
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Quote:
Originally Posted by Eye_m_no_angel View Post
Use the brand that fits your carburetor, ie.: Keihin, Mikuni, S&S, or whatever.

What I would do first is find out if you need to re-jet. Put in a fresh set of plugs and go for a nice long ride with as much of it at highway speeds as you can. Do 60-100 miles, even if you have to do it over more then one day. Then pull your plugs and see if you're running lean. If so, and the pipes are the only thing I've changed, I usually start with 1 size up on the pilot jet and 1 size up on the main jet. If you have a carburetor with an adjustable jet needle you can try repositioning the needle clip before you re-jet.
still have stock carburetor as of now. Thanks for the advice
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post #4 of 7 (permalink) Old 03-30-2016, 01:07 PM
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That would be a Keihin CV type.
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post #5 of 7 (permalink) Old 03-30-2016, 05:15 PM
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dynojet has customer service.

xs1100e
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post #6 of 7 (permalink) Old 06-14-2016, 03:59 PM
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Jets R Us is a great resource for building your own jetting "kit" as many of the aftermarket "kits" come with a lot of stuff that you just don't need most likely (like the drill bit for the slide modification). They have OEM equivalent (almost half price) and Genuine Keihin parts for sale there in nearly every single size you could ever dream of using. They also offer needles, shims, clips and the slow jets too. It's a great website.

I agree with Eye though, no use in jetting until you've figured out whether or not you need to do it. And without a dyno and a sniffer, the best way to do that is reading the plugs.
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post #7 of 7 (permalink) Old 07-01-2016, 08:52 AM
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Eye is giving the correct advice and it's an easy job. Go to YouTube and type this in their search:

jetting a keihin 40mm cv carb

Word by word and picture by picture for your education.

My favorite carbs are S&S---super 'E' for almost stock bikes, or my past super 'G' that will work on the smaller big twins but is really made for stroked or larger cylinder conversions. Really simple to install and tune.

Sam

2016 Suzuki DL650 V-Strom Adventure bike.

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