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82 Suzuki GS650GL #2 Cyl Down

  • Thread starter Thread starter Skyboy8950
  • Start date Start date
Update

Update

Update: I pulled my carbs and tore them down. Nothing obvious in carb #2 yet, but cleaning with the dip and such may open some passages or whatever. Starting to think that it was a sync problem. Oh well, too late now, gonna finish the job. Thanks all!
 
If you bought a petcock and it's working, you won't get airflow into cyl 2 thru the vacuum hose. That hose creates a vacuum to open the petcock to allow fuel flow. If removing the vacuum hose from the top of carb 2 and plugging that nipple makes it try to run and plugging the hose back onto the carb stops the trying to start it has to be either a leak in the vacuum hose, or a defective petcock. O Ring between the engine and intake rubbers I would think will need replaced also.
 
Bob, you are correct. The petcock is brand new and working like a charm. When I plugged the vacuum port on the carb, it built up pressure. When I released it, a rush of air went into the carb making it fire. Something was messed up, hence the rebuild.

Also, UPDATE!!!

I just pulled my first carb from the dip. If anything, I will have some pretty looking carbs!
 
Skyboy8950 said:
Bob, you are correct. The petcock is brand new and working like a charm. When I plugged the vacuum port on the carb, it built up pressure. When I released it, a rush of air went into the carb making it fire. Something was messed up, hence the rebuild.

Also, UPDATE!!!

I just pulled my first carb from the dip. If anything, I will have some pretty looking carbs!
Click to expand...

If you're running lean on #2, more air into the equation will not make it fire, if anything, it will make the problem worse. :?
 
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