Two Stroke Motocross

Two Stroke Motocross Forum => General Two Stroke Talk => Topic started by: davo59 on May 25, 2013, 11:50:39 PM

Title: 2 stroke 500cc electronic fuel injected eingine in a 2012 YZF450 frame
Post by: davo59 on May 25, 2013, 11:50:39 PM
Designed and Built in New Zealand and looking great. As outlined in the Courtney Duncan thread,

Ridden by a multi time mx champion.  70hp standard, looking at 85 hp plus. Light weight.

CR500 engine fuel injected, the following ink is self explanatory

Looking good. Enjoy.

Title: 2 stroke 500cc electronic fuel injected eingine in a 2012 YZF450 frame
Post by: TotalNZ on May 26, 2013, 12:00:34 AM
That bikes still around apparently it doesn't have the EFI anymore though. They could never get it to work quite right.
Uniflow who posts on here has a much more worthy attempt on the go at the mo. Also a kiwi.
Thats Peter Broxholme in that vid, yes a very good rider and would love to see him race an EFI 2T.
Title: 2 stroke 500cc electronic fuel injected eingine in a 2012 YZF450 frame
Post by: davo59 on May 26, 2013, 12:07:20 AM
Are they still working on it, they said they where looking at Direct fuel injection??

I guess the pockets are not deep enough to keep going at it??

Have the others done any videos?

Title: 2 stroke 500cc electronic fuel injected eingine in a 2012 YZF450 frame
Post by: TotalNZ on May 26, 2013, 02:04:39 AM
I'm not sure exactly, i heard something about the new owner of the bike being resistant to further development.
This project looks legit.
http://twostrokemotocross.com/forum/general-two-stroke-talk/yz-250-efi/
Title: 2 stroke 500cc electronic fuel injected eingine in a 2012 YZF450 frame
Post by: Uniflow on May 26, 2013, 02:47:33 AM
Yes, development costs, even for me, It's just an out of control hobby.
We have been waiting on a good ( fine weekend  ) day to do more track work with both YZ's, my carburettored one as well. Video cameras are at the ready.
Hoping to get this " flash" rider to ride my F9 as well ( he hasn't seen it yet  :D )
Title: 2 stroke 500cc electronic fuel injected eingine in a 2012 YZF450 frame
Post by: Stusmoke on May 26, 2013, 10:01:59 PM
It must be a pretty expensive venture. I'd back Uniflows effort with my own dough if I had any to spare  :-X