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Anonymous
Guest
when i first started riding about 6 months ago, i was getting about 115-130 to my tank, now i only get between 70-90, could it be my air filter or what. 83 gs450 L
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Anonymous
Guest
have you added a windshield or a fairing?
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Anonymous
Guest
You could very well be minus a cylinder. Check that they are both firing at all engine speeds and temperatures. Is it particularly weak at any set of conditions? You could also have crapped up carbs, causing inefficiency. For specific troubleshooting, catch me sometime when I'm not dog tired.
Good luck.
Michael
Good luck.
Michael
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Anonymous
Guest
I am a new GS 450 owner myself. There is a lot of traffic about the fuel petcock on this site. Including several about loss of gas mileage. I had a problem of overflow on my carbs and low gas milage. I disconnected the vacume line and plugged it. I am running the bike on "prime". Making sure to turn it to "on" when I stop. The bike is running great and my milage is way up. I have not run a tank through yet this way so I do not know my total mileage. I am about to deccide on a Pingle valve or a new OEM valve at a local dealer. Anyone with any further advice on this can chime in.
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Anonymous
Guest
Dealers are minions of Satan. I have a Pingel on my 1100. I think it's a quality piece of machinery. I vote Pingel.
Michael
Michael
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Anonymous
Guest
mopolopo said:
I dont have one yet but I will when my petcock goes south. :mrgreen:
Pingel on both my bikes. The first thing I do when I get a bike is scrap the OEM petcock and buy a Pingel. I know it is only a mtter of time before the stock petock will cause me grief and my luck is that grief will come at 2am on a deserted road where no one lives for 100 miles and there is no cell phone coverage either. 
Earl
Earl
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Anonymous
Guest
pingel?
pingel?
This may sound like a silly question, but what is a pingel petcock, and where can I get one?
I 've got a '80 GS750E
Karl
pingel?
This may sound like a silly question, but what is a pingel petcock, and where can I get one?
I 've got a '80 GS750E
Karl
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Anonymous
Guest
Re: pingel?
Re: pingel?
They are: http://www.pingelonline.com/power_flo.htm
They can be found: http://www.denniskirk.com/jsp/product_catalog/Brand.jsp?brand=570&store=Main&catId=2
Pingel petcocks are made mostly for Harleys but with an adapter plate between the tank and petcock, they work very well for Suzukis.
Michael
Re: pingel?
karllmt said:
They are: http://www.pingelonline.com/power_flo.htm
They can be found: http://www.denniskirk.com/jsp/product_catalog/Brand.jsp?brand=570&store=Main&catId=2
Pingel petcocks are made mostly for Harleys but with an adapter plate between the tank and petcock, they work very well for Suzukis.
Michael
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Detman101
Guest
I, too, have experienced the whole "Gas coming through the vacuum line/Crappy fuel econonmy" thing too. I ordered a pingle petcock last week and when it gets here on tuesday i'll finally be free and back in order.
Dm of mD
Dm of mD
D
Dave_A
Guest
mopolopo said:
You'd know if you were down a cylinder, the bike (being a twin) would barely run...
Assuming you're not missing any airbox parts, the petcock vac-line issue, dirty carbs and a dirty air filter would be the top 3 things to check. Also, check your carb synch (not as important with a twin as a four, but it will affect milage)....
I used to go ~120mi/tank on my 450, now it's up to 150 (could be more, but for a case of 'lead hand'). Improvements came from a detailed carb clean, replacing one of the carb slides (due to a damaged diaphragm), and re-synching the carbs...