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Valkyrie Riders Cruiser Club > General > 1500 Tech Board > Petcock repair kit?
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Author Topic: Petcock repair kit?  (Read 749 times)
Valkorado
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Posts: 10494


VRCC DS 0242

Gunnison, Colorado (7,703') Here there be twisties.
« on: July 17, 2016, 12:41:51 PM »
I've been smelling gas from the Interstate when riding, and it's having some sporadic sputtering.  Noticed some dried gas on top of the alternator cover today.  Am I on the right track thinking these are related, and a petcock repair kit is my solution?
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Have you ever noticed when you're feeling really good,
there's always a pigeon that'll come sh!t on your hood?
- John Prine

97 Tourer "Silver Bullet"
01 Interstate "Ruby"
John Schmidt
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Posts: 15223


a/k/a Stuffy. '99 I/S Valk Roadsmith Trike

De Pere, WI (Green Bay)
« Reply #1 on: July 17, 2016, 12:49:39 PM »
Probably! Are you possibly interested in converting the OEM to manual? Take it apart, remove ALL the guts and go to a local hardware store for two different sized o-rings. Takes a smaller one on the inside of the center section and a larger one on the outside of that same piece. Seal off the week hole and the vacuum hole, leaving just the fuel line open. Put it back together and use the control knob as always, just remember to shut the fuel off each time or install an elec. shutoff.
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Valkorado
Member
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Posts: 10494


VRCC DS 0242

Gunnison, Colorado (7,703') Here there be twisties.
« Reply #2 on: July 17, 2016, 01:09:15 PM »
That's what I figured.  Sad  I may have to go the manual route, but I'd like to stay stock for now.  I've got a trip planned to NM early next week so I ordered a K&L kit.  If anyone knows the ring sizes John mentioned I may go pick them up so I'll have 'em in case case the kit doesn't arrive in time.  Guess those o-rings would need to be viton?
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Have you ever noticed when you're feeling really good,
there's always a pigeon that'll come sh!t on your hood?
- John Prine

97 Tourer "Silver Bullet"
01 Interstate "Ruby"
98valk
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Posts: 13477


South Jersey
« Reply #3 on: July 17, 2016, 01:13:54 PM »
Modifying the OEM fuel petcock to remove vacuum function

http://www.valkyrieforum.com/bbs/index.php/topic,37577.0.html
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1998 Std/Tourer, 2007 DR200SE, 1981 CB900C  10speed
1973 Duster 340 4-speed rare A/C, 2001 F250 4x4 7.3L, 6sp

"Our Constitution was made only for a Moral and Religious people. It is wholly inadequate to the goverment of any other."
John Adams 10/11/1798
Valkorado
Member
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Posts: 10494


VRCC DS 0242

Gunnison, Colorado (7,703') Here there be twisties.
« Reply #4 on: July 17, 2016, 01:34:45 PM »
Great info, thanks!   cooldude
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Have you ever noticed when you're feeling really good,
there's always a pigeon that'll come sh!t on your hood?
- John Prine

97 Tourer "Silver Bullet"
01 Interstate "Ruby"
texdoc77
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Posts: 40


Riding the Twisted Sisters!!

Waco, TX
« Reply #5 on: July 17, 2016, 08:07:49 PM »
I have seen a lot of different opinions on the petcock issue.  For me I rebuilt the petcock and purchased a viton vacuum tube.  I sometimes leave the key in the ignition so remembering to manually shut off the fuel is never going to happen.  I did entertain the notion of an electric shut-off (i.e. Dan-Marc) but ultimately decided against.  You probably don't need it, but I have a video of a petcock rebuild.

https://youtu.be/RHTt_dhJskc
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For me Christianity is not a religion, but a relationship with the person of Jesus Christ.  I may engage in religious activities, but at my core I am seeking to know Him more and to be like Him.
Gryphon Rider
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Posts: 5227


2000 Tourer

Calgary, Alberta
« Reply #6 on: July 17, 2016, 08:24:41 PM »
Quote from: 98valk (aka CA) on July 17, 2016, 01:13:54 PM
Modifying the OEM fuel petcock to remove vacuum function

http://www.valkyrieforum.com/bbs/index.php/topic,37577.0.html


Note:  If there is a hole in the fuel diaphragm (the smaller one), converting your valve to remove the vacuum function without replacing that diaphragm will NOT fix a fuel leak from the fuel valve.
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