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Picked up an '82 (part 4)

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Picked up an '82 (part 4)

PostAuthor: Hellgate » Thu Jan 14, 2016 9:29 pm

Continued from Picked up an '82 (part 3)

I was hoping to get some internal/build shots but John had the work done in the time it took to get home from the shop!
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Re: Picked up an '82 (part 3)

PostAuthor: Hellgate » Tue Jan 19, 2016 10:58 pm

Oh my goodness, hand me a tissue! The sweet tail!
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Re: Picked up an '82 (part 3)

PostAuthor: Hellgate » Thu Jan 21, 2016 7:07 pm

The XV920R has a new fan!

IMG_8669.JPG
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Re: Picked up an '82 (part 3)

PostAuthor: Hellgate » Tue Jan 26, 2016 7:14 pm

Look what showed up on Ebay this weekend! NOS badge. He's selling two, I only bought one. Get 'em while they're hot!
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Re: Picked up an '82 (part 3)

PostAuthor: nanno » Wed Jan 27, 2016 1:44 am

Such an excellent build, but there's one thing, which escapes me: Why do you still put up with the horrid Hitacchi carbs and don't go down the route of some Mikuni VMs or Dellortos? They completely transform the engine.
http://viragotechforum.com/viewtopic.php?f=12&t=43227 - Nanno's accumulated findings (and blatant show-off) - infos on my TR1's, my performance and reliability mods and a bit of show-casing of the stainless steel exhausts I build

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Re: Picked up an '82 (part 4)

PostAuthor: Hellgate » Wed Jan 27, 2016 7:06 am

Some day Greg, some day. :)

When I do change them out it will probably be Dellortos pumpers as those were used on the bike back in the AMA Superbikes.
Last edited by Hellgate on Wed Jan 27, 2016 7:12 am, edited 1 time in total.
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Re: Picked up an '82 (part 4)

PostAuthor: nanno » Wed Jan 27, 2016 7:12 am

Fair enough. :bg:

(But trust me, when I say it was the only mod I regretted not doing ages earlier.)
http://viragotechforum.com/viewtopic.php?f=12&t=43227 - Nanno's accumulated findings (and blatant show-off) - infos on my TR1's, my performance and reliability mods and a bit of show-casing of the stainless steel exhausts I build

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Re: Picked up an '82 (part 3)

PostAuthor: wkdenton » Wed Jan 27, 2016 2:32 pm

Hellgate wrote:Look what showed up on Ebay this weekend! NOS badge. He's selling two, I only bought one. Get 'em while they're hot!

Damnit, I've been looking for one of those badges for years!
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Re: Picked up an '82 (part 4)

PostAuthor: Hellgate » Wed Jan 27, 2016 2:47 pm

Go get it! $29.00 shipped.
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Re: Picked up an '82 (part 4)

PostAuthor: crdnick » Wed Jan 27, 2016 3:43 pm

36 or 40 Dellortos ?

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Re: Picked up an '82 (part 4)

PostAuthor: Hellgate » Wed Jan 27, 2016 3:53 pm

Back in the day they were 40mm pumpers, with the pump turned off.

These are the period correct Dellorto's: http://guzzino.com/dephm40pucas.html
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Re: Picked up an '82 (part 4)

PostAuthor: wkdenton » Thu Jan 28, 2016 1:07 pm

Hellgate wrote:Go get it! $29.00 shipped.

Looked for an hour last night w several diff searches, no avail. Do you have an auction number? TIA
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Re: Picked up an '82 (part 4)

PostAuthor: Hellgate » Thu Jan 28, 2016 1:55 pm

I can't through the EBay phone app. Search XV920 badge NOS.
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Re: Picked up an '82 (part 4)

PostAuthor: nanno » Fri Jan 29, 2016 1:43 am

crdnick wrote:36 or 40 Dellortos ?


Both offer substantial improvement. For maximum fun go for the 40ies. (That's what Sepp uses!) The 36es will work as well, but you won't notice a lot of extra down low (compared to the 40ies) and it will start to fall on its face at around 7k.

I went with VM38s as they cost next to nothing in the US and were new, especially as you need two right-side carbs, which can be a bit tiresome to source via ebay/small ads.

Best are Guzzi/Ducati PHM40ies, as they come with all the bells 'n' whistles (including the lighter spring) and the jetting is also roughly in the right ballpark to start with. You can of course pick up KTM- or Husqvarna-Dellortos, but the jetting is a tad rich and they have the stronger mainspring in them, which you will deliberately swap out, because this is some made forearm-training...

This post was brought to you by the anti-cv-carb-league. :bg: :cl:
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http://viragotechforum.com/viewtopic.php?f=12&t=43227 - Nanno's accumulated findings (and blatant show-off) - infos on my TR1's, my performance and reliability mods and a bit of show-casing of the stainless steel exhausts I build

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Re: Picked up an '82 (part 4)

PostAuthor: Hellgate » Fri Jan 29, 2016 6:54 am

nanno wrote:
crdnick wrote:36 or 40 Dellortos ?

This post was brought to you by the anti-cv-carb-league. :bg: :cl:
Greg


Hehehe! :)

Thanks for the info Greg.
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Re: Picked up an '82 (part 4)

PostAuthor: wkdenton » Fri Jan 29, 2016 10:27 am

Hellgate wrote:I can't through the EBay phone app. Search XV920 badge NOS.

Gone
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Re: Picked up an '82 (part 4)

PostAuthor: Jake » Fri Jan 29, 2016 10:47 am

wkdenton wrote:
Hellgate wrote:I can't through the EBay phone app. Search XV920 badge NOS.

Gone


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Re: Picked up an '82 (part 4)

PostAuthor: Hellgate » Fri Mar 18, 2016 10:00 pm

The "Bob Cook" tail piece and bracket is complete!

20160318_163059.jpg


Then the starter motor gears wet the bed. We have a mod planned to eliminate the twist in the motor.

20160318_162435.jpg
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Re: Picked up an '82 (part 4)

PostAuthor: madhatter4119 » Sat Mar 19, 2016 1:36 am

Remember...we love pictures and video's here when you go to work on that starter
fix so it won't wet the bed any more...Can't wait to see this fix...It isn't the second
gen (84/85 XV 1000) starter upgrade ???
Current Toys...
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2003 Honda VTX 1800 (S) Abandoned Project or Parts Bike...Now my daily rider...LOVE IT !!!
82 Virago 750 Parts Bike
82 Virago 920 Project Bike

Boy do I ever need to stop buying bikes...Know a good Doctor ???

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Re: Picked up an '82 (part 4)

PostAuthor: Hellgate » Sat Mar 19, 2016 7:24 am

Yes, that WAS an Arrowhead Tiwanese motor. My first one WAS an Arrowhead Chinese motor.

I have another Tiwanese one on order.

We think the problem came from the motor twisting on itself, causing the gears to misalign, resulting in the broken teeth.

The idea is to make a "tube" to slide over each starter bolt to help spread the torque load out. Is th at clear as mud?

Then I was thinking, I've not bounced the idea off of them yet, to machine an arc to weld to the two tube to help support them further. No idea if this will help...

The design flaw in the starter motor is the "cases" aren't notched so all of the torque load is supposed by the two bolts.
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