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Oh, Crap

  • Thread starter Thread starter TheBigRed
  • Start date Start date
Re: Petcocks.........

Re: Petcocks.........

GS1000G said:
Mine also has tubes coming out in between the carbs, these I must keep faced down or it overfeeds the gas into the crankcase (I do not have the stock air box, I have KNN's on it)..... I think on the stock bikes you actually have hoses that run to these that must be connected, check your crankcase filter also.Mine still runs boggy at 80 MPH about 5000RPM, I hate it......Good Luck :!: :?
Click to expand...
Problem most noticable at a steady speed? Venting tubes still connected?Read my earlier reply above and if you can check out my topic in this section "pod filters require removal of the floatbowl vent tubes". And what do you mean you must keep the tubes faced down or it overfeeds gas into the crankcase?
 
soon should be all good

soon should be all good

Well, called a number of shops yesterday looking for the diaphram. no such luck. :( Closest shop mentioned they could order me an entire petcock for $60(ish) and possably be in monday. After making the other calls and not finding anything to get me running sooner I called them back and ordered it. Just really hoping it comes in monday, cause if it doesnt I won't be able to pick it up till friday.. 8O

Fuel lines will be replaced this winter when I replace the transmission and thus re-building the engine. As for now I just wanna ride and since it's been going for nearly a year as it was, I should be ok for now.

Thanks once again for all your suggestions! This truely is a great place..

Amos
 
I tried on 2 occasions to order replacement diaphragms from Suzuki without getting the correct one. In the end I just went ahead and ordered the entire petcock and eliminated the problem. I figure the original lasted 20 years this one should easily do the same. When you weigh the pro's and con's you will realize the cost is insignificant for the long haul. Good luck!
 
I was thinking where I heard this one before. Remembered, it was me. Exactly the same symptoms. Turns out the GS engines a really finicky about air supply. My problem was that the air element gasket was mush and the air element dropped a bit allowing air directly into the intakes, giving the engine to much air. I believe this may have prematurely lifted the slides, leaning the bike out and bogging it down. Then with in a second or two, wham, the power hits all is happy. Put in a new gasket and air element and when the air flow was right, problem disappeared. I hope your problem is this simple.
 
WooHooo

WooHooo

Suzukil Dealership just called, my new petcock is in. :D They are open until 7pm, I get off work at 6pm. Woohoo, think I'll be heading over there as soon as I get off.. May be back on the road tomorrow.

Amos
 
Carb vent-tube question...

Carb vent-tube question...

Hi. I made a topic in this section about a week ago, regarding pods and removing the floatbowl vent tubes. I think there are a lot of bikes out there that may have this problem. When you change to pods,the air intake increases so much that you have to remove the tubes. Even though the air is still being drawn through the same size nipple,removing the 18'' or so of tube DOES remove some of the resistance. We cannot increase the venting capability,we can only minimize the resistance. This is the best we can do to "upgrade" the venting to match the increase in air intake. With pods,if you leave the tubes on, the increased air intake will create a "vortex" in the tubes,which will make it harder for the carb to vent properly,which will in turn make it harder for the motor to draw fuel.
If you have pods and still have the vent tubes on,you may be experiencing a feeling of fuel starvation,if not nearly stalling. Steady speed anywhere from 45-65 mph seems to be the most noticable. I think stock bikes should keep them on,it's the way they were designed to run. But they still need to be checked for obstructions or kinking. Any loss of venting will make it harder for the motor to draw fuel.
Click to expand...
[/b][/quote]


My question is...how do you keep crap from getting sucked into the vent tubes? From your explanation, it certainly sounds like there will be plenty of suction to pick up sand and other carb-dirtying objects! 8O

I'm cleaning and rejetting my carbs this weekend, so if you all wouldn't mind remembering me in your prayers...
 
I don't believe there is a vacuum at the floatbowl vent nipples. They are only vents. If there is, it's not much. Removing them was a requirement while installing my Dynojet kit. The bike simply will not run with them still attached. I even tried putting them back on, just to see what would happen, the bike showed fuel starvation within 1 mile. I pulled them off and the bike ran fine. End of test.
My bike has not shown any problems related to taking off the tubes. I suppose it it possible to have dust or whatever enter the nipple, but like I said, no problems. In my case I don't have a choice anyways. You can't put anything over the nipple to cover it either, such as a piece of foam,etc, this willl also cause too much restriction.
 
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