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GS850 Carb Upgrade Worth The Time??

  • Thread starter Thread starter forenglishpressone
  • Start date Start date
F

forenglishpressone

Guest
I have come to decision making time regarding carbs for my project. I have the stock 32mm Mikuni's that came off the 850 but I also have a set of 34mm's on the shelf waiting for something to do. The thing is I have to invest some $$ into either rebuilding the 32's or in the correct boots/holders for the 34's. Both options come out about even in the overall cost but I'm wondering if there is a huge difference with the larger carbs?
Also- Any idea on re-jetting either set of carbs for 4 to 1 headers and pod filters?

Thanks!
 
rebuilding carbs is usually a very small investment... Around 20 bucks for all you need from cycleorings.com
 
Wow, thanks for the quick replies.

I understand the cost of rebuilding is nominal but having an already re-worked set of 34's staring me in the face has me thinking about the time involved with the rebuild etc. I will have to buy new holders (boots whatever) regardless of which set I go with, just wondering why I'm not seeing more people moving towards larger carbs? Seems like a no-brainer to me...is it a waste of time? I can't be the first knucklehead to consider this...I'd hate to waste $$ on boots and get no improvement from the bigger carbs.

I guess I could always brag about the extra 2mm's I'm packing right?
Thanks guys!
 
I dont really know what the performance implications are for bigger carbs, but the time it takes to rebuild the stock set will likely be significantly less then the time it would take to properly tune the larger set.
 
If the bike is stock except for the 2mm over carbs you may increase some top end but lose bottom end.
 
Sorry I should have mentioned that (I'm new here) I have 4 to 1 headers and I'm planning on running pod filters with the whole set-up.
 
forenglishpressone said:
Sorry I should have mentioned that (I'm new here) I have 4 to 1 headers and I'm planning on running pod filters with the whole set-up.
Click to expand...

Then you're gonna need the Dynojet jet kit. If you do these things to the 32's that came on the bike it'll be all you need.
 
Looks like everyone's leaning towards keeping the 32's in the mix...

IYO would the 34's require a re-jet most likely too?

I get stuck on bigger being better.....
 
Personally, there was a lot of design thought that went into putting specific carbs into a bike, car, truck, whatever. That design allows your bike to produce specific results for its power. Honestly, IMHO, why frick around with that?:-k
 
Well enough should never be left alone....Besides I'm stupid like that.
 
Last edited:
You can get the 34s to work it will just be more trial and error using plug chops.
 
Ok here's where the noob in me comes out....What the H is a plug chop?
 
forenglishpressone said:
Ok here's where the noob in me comes out....What the H is a plug chop?
Click to expand...

Technically speaking, its when you take out your spark plug and cut it in half so you can see the color of the ceramic... Nobody does that though, so plug chops are really when you run the engine and then inspect the plug for color to ensure the mixture is correct.
 
Rejet for the pods and exhaust and the 32's with a tried and tested jet kit from Dynojet and you have all the bike you will ever need.
PLus its EASY!
Bigger is not always better(in this case). If your engine isnt built up enough to burn it you're wasting time better spent riding or working on something else.
 
Adler said:
Technically speaking, its when you take out your spark plug and cut it in half so you can see the color of the ceramic... Nobody does that though, so plug chops are really when you run the engine and then inspect the plug for color to ensure the mixture is correct.
Click to expand...
I heard somebody else allude to the "cut the plug in half" in reference to a "plug chop", but the way I learned it, you run the bike at specific throttle openings for a set period of time, then chop the throttle, pull the clutch and hit the kill switch, then coast to a safe place to pull over and read your plugs. :-k

.
 
Greetings and Salutations!!

Greetings and Salutations!!

Hi Mr. pressoneforenglish,

You'll find a lot of this terminology explained on my little website. Let me share some GS lovin'. :)

I just stopped by to welcome you to the forum in my own, special way.
big_hi.gif


If there's anything you'd like to know about the Suzuki GS model bikes, and most others actually, you've come to the right place. There's a lot of knowledge and experience here in the community. Come on in and let me say "HOoooowwwDY!"....:)

Here is your very own magical, mystical, mythical, mind-expanding "mega-welcome". Please take notice of the "Top 10 Common Issues", "Top 15 Tips For GS Happiness", the Carb Rebuild Series, and the Stator Papers. Now let me roll out the welcome mat for you...

Please click here for your mega-welcome, chock full of tips, suggestions, links to vendors, and other information. Then feel free to visit my little BikeCliff website where I've been collecting the wisdom of this generous community. Don't forget, we like pictures! Not you, your bike! :D

Thanks for joining us. Keep us informed.

Thank you for your indulgence,

BassCliff
 
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