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Quick Petcock question

  • Thread starter Thread starter JaNewb
  • Start date Start date
Is the petcock dependent on the vacuum system or can I just buy any petcock with 50mm bolt spacing and block off the vacuum if the petcock isn't vacuum operated?
 
If you want to do away with the vacuum feature, a cheaper way is to remove the spring from under the diaphragm - so it will free flow - and add an inline valve.
The downside is, if you forget to turn it off overnight, you'll flood your crankcase with gas.
 
Last edited:
Thanks! I'm always second guessing myself because I'm new to working on bikes. :rolleyes:
 
Hi,

Many riders will replace the stock vacuum petcock with an aftermarket Pingel unit, just ON, OFF, and RES. You must block off the vacuum port on the #2 carb that feeds the stock petcock. You must also never forget to turn off the petcock every time you stop the engine.

I find it amusing that this "Quick Petcock Question" has gone on for 25 posts. ;)


Thank you for your indulgence,

BassCliff
 
BassCliff said:
Hi,

Many riders will replace the stock vacuum petcock with an aftermarket Pingel unit, just ON, OFF, and RES. You must block off the vacuum port on the #2 carb that feeds the stock petcock. You must also never forget to turn off the petcock every time you stop the engine.

I find it amusing that this "Quick Petcock Question" has gone on for 25 posts. ;)


Thank you for your indulgence,

BassCliff
Click to expand...

Ya seems like most of my posts end up this way. lol i always manage to say or create something amusing.

Thanks for the advice cliff!
 
I think you already have your questions pretty much answered, but if you Suzuki's official word on this petcock, go to BikeCliff's site, download the GS850G shop manual, and have a look at page 336.

Probably better off just buying a new petcock, though, if you can swing it.
 
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