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-   -   XR400 Four - Skunkworks Special (http://www.advrider.com/forums/showthread.php?t=497905)

Pezz_gs 08-19-2009 07:04 PM

XR400 Four - Skunkworks Special
 
Yep that’s right I’m building me a little 4 cylinder adventure bike.
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I am organising a fundraiser for the Down Syndrome Association of NSW called:

Scrapheap Adventure Ride 2010<o:p></o:p>

http://pezz.smugmug.com/Other/Advent...22_FTx4B-L.jpg

Raising Money for Down Syndrome Association of NSW







Ride to: Wanaaring <o:p></o:p>
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When: Easter Saturday - April 3, 2010 <o:p></o:p>
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Rules:<o:p></o:p>
Bike for less than $1000.00.
Can be any road registered motorcycle.
You are allowed to spend additional sums on the bike to make it run and roadworthy as all machines participating must be registered.<o:p></o:p>
You can modify your bikes too :)
It costs $100.00 to enter paid directly to DSANSW.
You can raise additional funds through sponsorship of your ride.
(Pay cents per Kilometer)
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http://pezz.smugmug.com/photos/621752595_9CRiW-L.jpg
Above is the donor bike.
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A mate, Shane, give me this little beauty for $0.00. Thanks Buddy
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I want to splice on a XR front end, wheel and swing arm rear wheel.
Still wondering what fuel tank, seat and guards to run. Need to build it as cheap as possible. I will not be butchering this bike as will be able to return it to CB400 Four at the end if I wanted too.
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When I first looked at it, it is very small. And quite light. I will keep posting as I progress. <o:p></o:p><o:p>
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I had an old KTM muffer I had laying around in the garage <o:p></o:p>
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http://pezz.smugmug.com/photos/622162183_fHYbH-L.jpg<o:p></o:p>
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and some old KTM Tank Seat and Guard. Bars will be a bit hard to turn.<o:p></o:p>
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http://pezz.smugmug.com/photos/622163480_RtrAF-L.jpg<o:p></o:p>
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http://pezz.smugmug.com/photos/622162791_CkxgD-L.jpg<o:p></o:p>
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Looks too modern and losing that classic look. Let try a R80G/S Single seat??<o:p></o:p>
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http://pezz.smugmug.com/photos/622161650_2aMCh-L.jpg<o:p></o:p>
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There will be lots of trying and looking and binning.<o:p></o:p>
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I have a set of alloy Krauser pannier and topbox frames somewhere in the BMW parts in the shed and will probably use them with plastic gerrycan panniers. Plus a home made topbox.

OldDog is building up and old TS250 which is below and tHEtREV is coming with his RZ350 Dirtbike.

http://i41.photobucket.com/albums/e2...0/P6140002.jpg

So if anyone has some old XR bits I would greatly appreciate your assistance:norton
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carmima 08-19-2009 07:23 PM

this'll be worth watching - good on ya pezz

viz 08-19-2009 08:16 PM

Ummm would my FJ qualify? Got it for free, though had to spend a quid to get it back up to scratch...

viz

Pezz_gs 08-19-2009 09:26 PM

Quote:

Originally Posted by viz
Ummm would my FJ qualify? Got it for free, though had to spend a quid to get it back up to scratch...

viz

viz,

The idea is to get as many old bikes out of shed and back on the road for a bit of fun and a good cause.
So YES the FJ would qualify, would like to see what you do with it. do they make a 160mm wide knobbie :D

Pezz_gs 08-20-2009 12:05 AM

Been doing some measuring around the rear end.

Anyone have a XR who can measure the swing arm for me?

The width of the swing arm at the pivot is 200mm.

The 400's swingarm length is around 450mm, how long is an XR swing arm?

Noticed the Redline on this bike is 10,000rpm :eek1

carmima 08-20-2009 12:07 AM

Quote:

Originally Posted by Pezz_gs
Noticed the Redline on this bike is 10,000rpm :eek1

sounds like it'll make a great hill climber :thumb :huh

Matt 08-20-2009 12:13 AM

This is going to get interesting.

I might just start looking around for a banger.

:lurk

Pezz_gs 08-20-2009 12:29 AM

Something similar out of Italy, about the 18 second mark

<object width="425" height="344"><param name="movie" value="http://www.youtube.com/v/LsEwG2D31Hg&hl=en&fs=1&"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/LsEwG2D31Hg&hl=en&fs=1&" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="425" height="344"></embed></object>

redneckdan 08-20-2009 05:35 AM

Pezz, man, yer not helping..... I want so badly to stuff a 500cc ninja mill into my KLR650....but my wife would kill me. I do have an XR250 frame sans engine....think a ninja 500 engine would make an old XR scoot?:evil

OldDog 08-20-2009 06:28 AM

Perry, have you been over-medicating again?

:rofl

Pezz_gs 08-20-2009 05:53 PM

Na mate but you should smell the stale fuel in the tank . . .

Some intersting CB400 Four Facts apart from the 10,000 Red Line
  • 408cc's 51mm bore and 50mm stroke
  • 4 x 20mm Piston valve Carburetors
  • Maximum power 37HP @ 8500rpm
  • 6 speed gearbox
  • Dry weight 170kgs.
The dry weight should come down a a few kg's

viz 08-22-2009 03:35 PM

Quote:

Originally Posted by Pezz_gs
do they make a 160mm wide knobbie :D

I think I am going to be dead in the water with that one :(

Besides I have only just got in roadworthy condition, and rideable.

Oh well.

viz

davorallyfan 08-22-2009 11:31 PM

http://davorallyfan.smugmug.com/phot...56_kbq64-M.jpg

eldavo 08-26-2009 04:14 AM

Quote:

Originally Posted by Pezz_gs
Something similar out of Italy, about the 18 second mark

Seems everyone will love you on that bike, the Italian bystanders turned off his fuel tap and put the sidestand down for him.

Mototrans 08-26-2009 03:18 PM

Quote:

Originally Posted by davorallyfan

Have you seen what that crazy kid has been up to lately..., he's had some involvement with this.. http://scooter75.smugmug.com/photos/...88_UkPSh-O.jpg


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