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1988-on XV750 vacuum and fuel routing

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1988-on XV750 vacuum and fuel routing

PostAuthor: LongRoadHome » Tue Jan 06, 2015 8:23 am

This is for all later model 750's from 1988-on; slight changes exist for the 1984-87 XV700, and much different for early 1981-83 XV750 so please ignore this for those.
(XV1100 uses a 'pressure sensor' and 4-way connector not T on the vacuum line, and fuel routing is different too)
1988-onward_XV750_fuel-and-vacuum.png

Note how fuel and vacuum lines going to/from petcock connect at their respective T fitting.

Diaphragm and fuel vent hoses also shown since those are often asked about too.

The apparatus at bottom is the AIS (Air Induction System) and connects to the singular vacuum connector, sometimes this won't exist if removed so either the T will not be there or plugged off for that end.

Rear carb boot should have a "blind" plug to cap off its vacuum nipple, while front carb is the one used for OEM vacuum operated petcock.
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1993 750 Virago

PostAuthor: bstig60 » Tue Jan 06, 2015 11:09 am

Jake, how about making this a "sticky," ( the one in Tech Articles), and then lock the file???
Bill
"It´s a friggen motorcycle, it´s not supposed to be comfortable, quiet or safe. The wind noise is supposed to hurt your ears, the seat should be hard and riding it should make you s**t your pants every now and then. "

Please take the time to edit your profile to show your location. City, State/Province and Country. It is easier to help you if we know where you are.

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Re: 1993 750 Virago

PostAuthor: Jake » Tue Jan 06, 2015 12:22 pm

bstig60 wrote:Jake, how about making this a "sticky," ( the one in Tech Articles), and then lock the file???
Done, you could have done it too.
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It’s what you know for sure that just ain’t so.”

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Re: 1993 750 Virago

PostAuthor: bstig60 » Tue Jan 06, 2015 12:57 pm

Yeah, I know, but was just asking for you thoughts. Thanks for doing it. We need to do the same thing with the early models and the 1100'.
Bill
"It´s a friggen motorcycle, it´s not supposed to be comfortable, quiet or safe. The wind noise is supposed to hurt your ears, the seat should be hard and riding it should make you s**t your pants every now and then. "

Please take the time to edit your profile to show your location. City, State/Province and Country. It is easier to help you if we know where you are.

SERVICE MANUAL DOWNLOAD LINK
http://viragotechforum.com/viewtopic.php?f=220&t=31501#p279545

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1982 Yamaha Seca XJ750RJ w/factory touring package
2003 Honda Goldwing GL1800 Touring
Sex: Male

Re: 1993 750 Virago

PostAuthor: Jake » Tue Jan 06, 2015 2:16 pm

Sorry Bill, I misunderstood. I guess you know that I am in agreement with you then :bg:

I moved these four posts to the Tech Articles thread.

@ LongRoadHome, good job color coding the fuel, vacuum and vents !
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It’s what you know for sure that just ain’t so.”

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