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Need help guys all info here..........

  • Thread starter Thread starter Wrenchhead
  • Start date Start date
Greetings and Salutations!!

Greetings and Salutations!!

Hi Mr. Wrenchhead,

Sorry I'm late to the party. Let me roll out the welcome mat. Pay particular attention to the "Top 10 Common Issues".

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. All the best to you and yours.

Thank you for your indulgence,

BassCliff
 
Is it possible to have the auto-shut off type petcock stuck partly shut or no creating enough vacuum to open it fully??
 
Wrenchhead said:
Is it possible to have the auto-shut off type petcock stuck partly shut or no creating enough vacuum to open it fully??
Click to expand...

Anything is "possible".

Pull the fuel line from the fuel rail.
Pull the vacuum line from the #2 or #3 carb.
Put the petcock on PRI...how is the flow?
Put the petcock on RUN...does it flow? It shouldn't.
Suck on the vacuum line...does the fuel line flow? It should.
Is the flow the same or less than in the PRI position?
 
Thanks thats a good systematic way to look at it. I will try that tonight
 
Hi Mr. Wrenchhead,

Oh no! The dreaded 1980 petcock!

Actually, with that petcock you use a flat screwdriver to change between "Prime" and "On". There is no "Reserve" or "Off" on that petcock. With stock Suzuki vacuum petcocks, there is never an "Off" position. If the motor is off, there is no vacuum, the petcock does not let fuel flow. In the Prime position, fuel flows via gravity.

If it tests bad, you can either buy a new on and not worry about it for 20 years, or replace it with an aftermarket Pingle or other.


Thank you for your indulgence,

BassCliff
 
Sorry to hijack

Sorry to hijack

What year and model gas tank is on that cafe?
Thanks
CB
 
I went home and checked this plug wires and firing order, they were correct, however I did tear down my petcock and found some slight cracks not all the way through the diaphram. I order a new one
 
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