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XV535 single carb suggestion

The area for the Yamaha Virago DIY enthusiast.

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Wobbly Wider
Posts: 10
Joined: Sun Mar 31, 2019 11:16 am
What Virago you Own: 1997 535s

XV535 single carb suggestion

Post by Wobbly Wider » Wed Apr 24, 2019 12:39 pm

After battling with the super difficult ' your airbox is your frame' debacle, I thought about a single carb conversion to make access easier to work on.

I have seen a mod whereby a 'T' joiner is used as an intake fitted into the original intake rubbers, I could probably get something made up if I had to.

Can someone suggest an exact type/model carb that will do nicely, so I know what to look for on the used market?

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ViragoJoe
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Posts: 1062
Joined: Wed May 20, 2015 10:36 am
What Virago you Own: 1996 Virago Special XV1100SH
"Never ride faster than your Guardian Angel can fly!!"

Re: XV535 single carb suggestion

Post by ViragoJoe » Wed Apr 24, 2019 7:36 pm

Wobbly Wider wrote:After battling with the super difficult ' your airbox is your frame' debacle, I thought about a single carb conversion to make access easier to work on.

I have seen a mod whereby a 'T' joiner is used as an intake fitted into the original intake rubbers, I could probably get something made up if I had to.

Can someone suggest an exact type/model carb that will do nicely, so I know what to look for on the used market?

<"I have seen a mod whereby a 'T' joiner is used as an intake fitted into the original intake rubbers, I could probably get something made up if I had to.">

Wobbly,
My suggestion is to go back to where you saw this conversion made to a XV535 and start asking questions.

Another issue you may want to consider. Getting the jetting right to satisfy both cylinders front cylinders usually run lean and the rears run richer:
https://www.viragohelp.com/single-carb-chronicles-3/

You might want to rethink this conversion. The conversion you were speaking of with a "T" I believe was for a larger engine Virago. For all the work and development costs it isn't worth the trip down that road. Yamaha had dynaometers and other sophisticated equipment to get it right. You may be disappointed with the outcome. Plus your over all engine performance may suffer. I would do further research before getting down into the nitty gritty. But that's me. just say'n. I'm a believer in, if it ain't broke don't try to fix it (or make it better). Just enjoy the ride. "to make access easier to work on." I think Yamaha took all that into account when they designed the XV535.
ViragoJoe
1996 XV1100SH Virago Special
"Never ride faster than your Guardian Angel can fly!!"
;)

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Michelle
Posts: 84
Joined: Sun Apr 21, 2019 8:43 am
Location: Western Australia
What Virago you Own: 1988 XV400 Virago

Re: XV535 single carb suggestion

Post by Michelle » Wed Apr 24, 2019 9:49 pm

ViragoJoe is possibly correct in that if ain't broke, don't fix it. However should you wish to proceed down this path, I have heard many people say that the single carb-conversion has worked for them. Email this person: Rkayga9@gmail.com (Robert F Kayga from Upland Ca) as he seems to specialise in making manifolds for the Virago to suit single carb conversions.
1988 XV400 Virago
On L-Plates

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