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xs650 > > Motorcycle Systems > > Fuel > > Harley petcock on a 79 Special


Harley petcock on a 79 Special
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Thunzie
Full Member
Full Member


Joined: Apr 14, 2008
Posts: 10
PostPosted: June 11, 2008, 12:17 am    Post subject: Harley petcock on a 79 Special
Hi all, I'm building a XS650 bobber and have a Sportster tank to fit. My options are:

A) Use the Harley petcock and put a T in the fuel line to feed both carbs.

B) Install the two petcocks from the old XS tank into the Sportster tank.

Clearly A is the easier option, but the XS petcocks have a vacuum position. How important is this and will I have problems if I use the standard Harley petcock?
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weekendrider
Support Staff
Support Staff


Joined: Apr 20, 2007
Posts: 1284
Location: SW MO 2x83SK 79F 78E
PostPosted: June 11, 2008, 1:05 am    Post subject: Re: Harley petcock on a 79 Special
Use the Harley petcock with a "T" and put rubber caps on the vaccum barbs in the intake manifolds.
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Thunzie
Full Member
Full Member


Joined: Apr 14, 2008
Posts: 10
PostPosted: June 11, 2008, 1:12 am    Post subject: Re: Harley petcock on a 79 Special
weekendrider wrote:
Use the Harley petcock with a "T" and put rubber caps on the vaccum barbs in the intake manifolds.

So simple! Thanks mate.
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