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A little direction on Carb Tuning

  • Thread starter Thread starter Roostabunny
  • Start date Start date
Nessism said:
flatoutmotorcycles.com is the cheapest for parts. You might want to check there.
Click to expand...

Great call - forgot about those guys.

I can access the site, but the fiche image is blocked (grrr). I'm thinking 2 each of these puppies from the "Cylindar Head" fiche (at $19.87 apiece) is what I want?

PIPE, INTAKE RH
13110-45100

PIPE, INTAKE LH
13120-45100
 
OK, Chris at Flatout confirmed the part for me - and they're ordered. And dang... now the wait.

Sounds like a good time to check overdue valve clearances, get my battery load tested, and do a little contact cleaning. Maybe I'll even remount my windscreen for the rest of the winter.
 
another picture link

another picture link

Hey fellas,

Took some high-res pics while checking my valve clearances in the middle of waiting for my new carb boots.

http://picasaweb.google.com/roostabunny/GS850GXValveAdjust2008?authkey=IhpsS0NIH70&feat=directlink

There are also some spark plug pics, don't know how useful they are, since all I've done recently is run it in neutral while trying to diagnose my air leak. But it's a nice way to show off the nice lens and high megapixel count on the Christmas gift digicam. If the plugs say something to you, please let me know.

Cheers
 
Did you order new o-rings for those boots as well?

If not, Robert Barr can set you up easier than amending your Flat Out order: http://cycleorings.com
 
bwringer said:
Did you order new o-rings for those boots as well?

If not, Robert Barr can set you up easier than amending your Flat Out order: http://cycleorings.com
Click to expand...

I didn't. The current one were purchased from Robert a little over a year ago to replace the crumbly OE ones - you think they'll need replaced again?

Edit: Almost forgot - the Suzuki warehouse shipped the wrong RH boots to Flatout. Doh! Kudos to Chris @ Flatout for calling me with the bad news and not charging me for the promised overnight shipping once the parts arrive from Suzuki.
 
Last edited:
Resync the carbs when you are done, they are probably out of sync. you'll be surprised what a difference it makes
 
I seen some stuff on ebay that is for coating rubber things, the picture showed intake boots. It made them black again. It said would not work with cracks all the way through. just surface cracks. Hope it helps


sorry missed a page didn't relize you bought boots. I was wondering if anyone had tried the black stuff?
 
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OK, at long last my new boots arrived! Wrong parts from the Suzuki warehouse and then a ground (instead of overnight) shipping error made for a LOOOOOONG wait.

I put them on and got everything back together - then struggled to get the bike to idle at less than 3000 rpm. Evetually I got it settled in around 2000 rpm and fairly smooth, but I felt like the idle adjuster was cranked way more than usual. Turns out I was right...

When I disconnected the long auxiliary fuel line I used to connect my tank from the seat position, no fuel spilled out, which I though was odd. Then I looked at the 6" loop that was hanging down by the side cover and thought "I wonder if the gas has a hard time going uphill to the carbs?"

Lo and behold, when I got the tank hooked up right my RPMs shot up to 4500 and I set about adjusting to something more reasonable. It still sounded a little punky, so I set it around 1500 and took it for a test ride. After clearing its throat things seemed OK, but I was back where I was when I started the whole thing. A little puffing and popping from the left-hand pipe.

I'm hoping that now that I've fixed the air leak (and figured out my stupid too-long fuel line mistake) I'll have a better shot at actually adjusting my mixtures. The we'll resync and see where we're at.

Here's pics of the new boots and a video (if it works) of the engine running. Thanks!

http://picasaweb.google.com/roostabunny/GS850GXNewCarbBoots?authkey=DDm1uWCB2J0&feat=directlink
 
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