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Valkyrie Riders Cruiser Club > General > 1500 Tech Board > Petcock failure? Fuel Mixture to rich?
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Author Topic: Petcock failure? Fuel Mixture to rich?  (Read 719 times)
doniholcomb
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« on: April 05, 2015, 09:47:47 PM »
What are the symptoms of a pet rooster failure?
 
How can I tell if the fuel mixture is to rich?

How can I adjust the fuel mixture?

When I try to start it turns over, but seems like it is flooded, when running it smells like there is unburned gas coming from the exhaust pipes.

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The emperor has no clothes
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« Reply #1 on: April 06, 2015, 03:28:07 AM »
BE CAREFUL
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Hook#3287
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Posts: 6450


Brimfield, Ma
« Reply #2 on: April 06, 2015, 04:10:31 AM »
Quote from: doniholcomb on April 05, 2015, 09:47:47 PM
What are the symptoms of a pet rooster failure?
 
How can I tell if the fuel mixture is to rich?

How can I adjust the fuel mixture?

When I try to start it turns over, but seems like it is flooded, when running it smells like there is unburned gas coming from the exhaust pipes.



Hydro lock would be the major concern for petcock failure.

You can test your petcock by shutting it off while riding, bike should begin to stumble after a mile or so.

Explain "seems like it's flooded"

Has someone messed with the carbs?

Are all cylinders firering?
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Ricky-D
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South Carolina midlands
« Reply #3 on: April 06, 2015, 07:36:17 AM »
Quote
You can test your petcock by shutting it off while riding, bike should begin to stumble after a mile or so.

That is not an accurate test for petcock function. Especially with regard to "hydrolock".

Take the fuel line loose and observe for any drops.

This is the only absolutely positive test for "off".

***
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2000_Valkyrie_Interstate
Hook#3287
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Brimfield, Ma
« Reply #4 on: April 06, 2015, 04:22:03 PM »
Quote from: Ricky-D on April 06, 2015, 07:36:17 AM
Quote
You can test your petcock by shutting it off while riding, bike should begin to stumble after a mile or so.

That is not an accurate test for petcock function. Especially with regard to "hydrolock".

Take the fuel line loose and observe for any drops.

This is the only absolutely positive test for "off".

***

I see, your saying the petcock could "Drip" it's way to a hydro lock.
« Last Edit: April 06, 2015, 04:24:07 PM by Hook#3287 » Logged
gordonv
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VRCC # 31419

Richmond BC
« Reply #5 on: April 06, 2015, 06:17:04 PM »
Actually you also need to remove the vacuum lone, as some have had the diaphragm inside leak, and go down the vacuum hose to #6 carb.

The petcock has nothing to do with being too rich, only if it gets fuel or not. Wouldn't that be adjustment screws/needles on the carb. I haven't played with carbs in years, so don't know what proper term I'm looking for.

Wouldn't too rich also make the pipes blue, or are they all double walled?

How about the spark plugs, pull and look at them for fouling.
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1999 Black with custom paint IS
Pappy!
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Central Florida - Eustis
« Reply #6 on: April 06, 2015, 06:19:58 PM »
Might be best if we had more information on what is going on. Is the bike new to you or has it been sitting for a long time? Recently worked on and what was done? Rich at idle or while up at speed? Any cold pipes on start up?
More information will help here!
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