The 919 Dual Sport Project Begins - Wrist Twisters
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post #1 of 133 Old 03-17-2009, 07:54 PM Thread Starter
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The 919 Dual Sport Project Begins


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post #2 of 133 Old 03-17-2009, 08:31 PM
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Ambitious! Holy cow that thing will be a handfull.

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post #3 of 133 Old 03-17-2009, 08:41 PM
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dude...i think your sick in the head. i like it. a lot.

30,000 mile 919 survivor. No plans of stopping the abuse any time soon.
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post #4 of 133 Old 03-17-2009, 08:52 PM
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That aint right...



Are you using a different swingarm pivot point?

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post #5 of 133 Old 03-17-2009, 09:17 PM Thread Starter
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Quote:
Originally Posted by Bryce919er View Post
Are you using a different swingarm pivot point?
Good eye, nice catch.

I do need to drop the swingarm pivot to provide a relatively straight line between the countershaft and the rear axle.

I'm going to lop off the bottom of the frame and re-position it down about an inch.


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post #6 of 133 Old 03-17-2009, 09:42 PM
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post #7 of 133 Old 03-17-2009, 09:49 PM Thread Starter
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Quote:
Originally Posted by 9nineteen View Post
Yeah, Marco has a beautiful creation there. He's made even more changes sonce those videos were made.

Mine should be quite a bit longer, taller, and uglier!

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post #8 of 133 Old 03-17-2009, 10:26 PM
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good luck byrdman. I liked the other one, but would never do it myself. let us know how it turns out and keep us updated.

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post #9 of 133 Old 03-17-2009, 10:42 PM
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Its not already a dual sport?

I approve of this project 100%.
Put a plastic tank on it.
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post #10 of 133 Old 03-17-2009, 11:09 PM
 
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Very cool project.

What's the front end off of?

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post #11 of 133 Old 03-18-2009, 05:10 AM
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I luv this kind of stuff
How will you decide where u want the swingarm pivot??

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post #12 of 133 Old 03-18-2009, 07:19 AM
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That thing looks like it will be insane. Build me one?

Spoiler:

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post #13 of 133 Old 03-18-2009, 07:21 AM
 
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Looks like a really ambitous project - best of luck to ya !

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post #14 of 133 Old 03-18-2009, 07:40 AM
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A very creative way to use a wrecked out 9er. I look forward to seeing the progress. Great $hit man!

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post #15 of 133 Old 03-18-2009, 08:30 AM
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very intriguing.

is the head tube strong enough for real punishment?

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post #16 of 133 Old 03-18-2009, 08:35 AM
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That thing will be sick in the wide open yet brutally punishing in the tight stuff! Good luck with it though and keep us udated on the process.




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post #17 of 133 Old 03-18-2009, 10:50 AM
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Ah, bless you and your moxy.

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post #18 of 133 Old 03-18-2009, 12:18 PM Thread Starter
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Quote:
Originally Posted by rworm View Post
I luv this kind of stuff
How will you decide where u want the swingarm pivot??
I'm in the process of determining ground clearance as well as final rake angle. Once I have those, I'll lower the pivot to give me as close to a straight line between the rear axle and countershaft as possible at full sag/ride height.

Quote:
Originally Posted by nate View Post
Very cool project.

What's the front end off of?
Right now, that's a stock CR250 front end but I have plenty of work to do there as well. With this much bike, I'll need better braking than one small rotor can provide! I'm going to build a dual brake setup using the stock 919 calipers.

Quote:
Originally Posted by jetblast10 View Post
very intriguing.

is the head tube strong enough for real punishment?
The stock head tube is plenty strong but the frame is in no way strong enough. I'm going to build a lower frame/cradle/bash bar that will support the frame and head tube. I'll also brace the rear end to support panniers of some sort.

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post #19 of 133 Old 03-18-2009, 12:30 PM
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I'm loving the idea. But that thing will be the new definition of 'pig.'

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"The list is an absolute good. The list is life."

"What kind'a tires you runnin'?"

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post #20 of 133 Old 03-18-2009, 12:54 PM
The 919 project continues
 
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Very impressive and ambitious project!! It's already been addressed but I was wondering about a downtube/skidplate and better brakes when I saw the first photo as well. The KTM 990 Adventure uses a dual disc setup on an off-road wheel.
Keep us posted on your progress!!

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post #21 of 133 Old 03-18-2009, 01:18 PM
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Great and as has been said, ambitious use for a wrecked 919. It seems like a real heavy handful to ride on the dirt though, especially with a bash plate/frame cradle setup. Look forward to seeing how this goes, though!

Are you intending the result to be street legal, or offroad only?

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post #22 of 133 Old 07-19-2009, 03:14 PM
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That is sweet, best of luck! Make sure you post some gnarlier videos than the other 2 on youtube.

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post #23 of 133 Old 07-19-2009, 05:40 PM
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Progress?

Two wheelin for the feelin.
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post #24 of 133 Old 08-27-2009, 05:58 PM
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man thats gonna be cool. keep the thread alive with progress pics.

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post #25 of 133 Old 08-27-2009, 06:39 PM
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Missed this the first time around, I'm speechless! And kind of excited! And confused!

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post #26 of 133 Old 09-12-2009, 10:40 PM Thread Starter
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I'm finally back at it.......

Many, many changes have popped up since I last updated this thread.

A new baby boy arrived, a new 919 donor bike showed up, new KTM 990 supermoto forks made their way on, and new KTM 950 Adventure wheels are on the way!

Here's where I am today.



The next step is to start chopping my spare 919 frame apart. I'm going to "move" the stock swingarm pivot down about 1" and back about 4". That will align the swingarm and chain angles. I'm also going to push the stock 919 tailsection straight back about 5" to make room for my new panniers. Then after I've really ###ked up a good 919, I'm going to build a lower engine cradle and a custom exhaust. Fun stuff........

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post #27 of 133 Old 09-12-2009, 10:50 PM
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That looks like it is going to be a blast. I would love to see the look on everyone's face when you take that out.

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post #28 of 133 Old 09-13-2009, 05:39 AM
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Wow, just wow! Excellent Byrd

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post #29 of 133 Old 09-13-2009, 05:47 AM
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Speechless and waiting for more! HOLY SHIET!

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post #30 of 133 Old 09-13-2009, 10:11 PM
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Very cool, but more important, congratulations on the baby!

"No freeman shall ever be debarred the use of arms."
---Thomas Jefferson 1776.
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post #31 of 133 Old 09-17-2009, 06:48 PM Thread Starter
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Big day today.......

Today was a big milestone in the dual sport creation process.

I cut both of my perfectly good frames apart! I measured thrity times beforehand but chopping up a few good frames was stressful........

Because the dual sport 919 will ride quite a bit higher than a stock 919

















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post #32 of 133 Old 09-17-2009, 07:39 PM
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Congrats on the kido, dude I wanna ride that bike. Looks like a blast! You're gonna bust your ass if you try to hit some whoops.

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post #33 of 133 Old 09-17-2009, 07:52 PM
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We're not in Kansas anynmore Toto. I could not bring myself to saw em'

Looks cool though & well thought out.

Why two frames? You making 2?

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post #34 of 133 Old 09-17-2009, 09:39 PM
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Officially past the point of no return I guess, can't wait to see how it ends.
Congrats on the new little one, looks like your hands are full.

Dan


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post #35 of 133 Old 09-17-2009, 10:06 PM Thread Starter
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Quote:
Originally Posted by Bryce919er View Post
We're not in Kansas anynmore Toto. I could not bring myself to saw em'

Looks cool though & well thought out.

Why two frames? You making 2?
Thanks. To maintain strength, I had to chop a bunch of steel out and re-weld it.

I ended up buying two wrecked 919's so I already had two good frames. I'm chopping up one of them to add material to the good one. It saves a lot of welding and fabrication and metric sized steel is really exensive here.

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post #36 of 133 Old 09-17-2009, 10:27 PM
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Brydman, I thought you might find this interesting. A ZX10 Dirtbike. It doesn't look like you need any help, but maybe you'll see an idea you like.

dirty10 - Kawasaki ZX-10R.net

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post #37 of 133 Old 09-18-2009, 06:18 AM Thread Starter
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Quote:
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Brydman, I thought you might find this interesting. A ZX10 Dirtbike. It doesn't look like you need any help, but maybe you'll see an idea you like.

dirty10 - Kawasaki ZX-10R.net
BAD ASS!!!!!!!

Thanks for the post. That is really neat. I can't imagine how crazy that is to ride.

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post #38 of 133 Old 09-18-2009, 10:27 AM
The 919 project continues
 
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You sir have some enormous cajones!! I love the ingenuity of this project, but the thought of cutting apart a couple frames would have me sweating bullets!
What kind of off-roading do you plan to do? Once past the fire roads this beast could be quite a handful!!
Keep the photos coming!!!!!!!

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post #39 of 133 Old 09-19-2009, 06:44 AM
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This is a very interesting build...Patiently waiting to see the outcome

Sweat Project


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post #40 of 133 Old 12-08-2009, 04:53 PM
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Awesome Project!

Any more updates?

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