Posts
11410
Joined
1/4/2014
Location
FI
Edited Date/Time
11/5/2019 2:53pm
https://www.ebay.co.uk/itm/DIXON-YAMAHA-COSWORTH-YZF-250-EX-DEAN-FERRIS…
I had to post this bike that i found on Ebay earlier today. This is one hell of a cool bike!
I had to post this bike that i found on Ebay earlier today. This is one hell of a cool bike!
Pretty much everything can be bought over the counter to build it.
The Cosworth YZs were supposed to be absolutely firebreathers but the team was plagued by DNFs in that time frame.
The Shop
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The pics are at this link:
https://www.dropbox.com/sh/2rhek94wor12wdu/AABtT6KtDRGxcxubwN0IbEUka?dl…
But, it appears to have just that. My goodness gracious, what a Trick thing.
It might be rather expensive to keep running, if you were capable of using it as it was designed to be used.
I think they'd got on top of reliabilty issues ( well, as much as you can with any full blown mid 50s HP 250F) by that final year of that long running engine type. Probably the most powerful carb'd 250f ever made. Then, they went into the first year of the EFI, Reverse Cylinder engine, and, like anything in it's early development phase ( especially when subjected to the Cosworth ethos) things became a bit 'iffy. I think we saw the same with the change over to Kawasakis, though, that seems to have settled down, too.
It will be interesting to see what it sells for.
To be up against the factory KTM's on a small budget is not easy, nobody noticed how many DNF's Geerts had this year.
For some reason, and the same for Mitch, when things go wrong at the pointy end then we get so much crap. I would love to see you guys come and do what we do.
We are not here to finish down the order, that is the easy thing to do, but when you haven't got millions to have a test team a year ahead to prove everything out its very difficult. Try looking at the behind the scenes of Mercedes F1 and see the testing and rigs! if only!! but racing and engineering is my passion and we continue to push new boundaries to keep with KTM.
Luckily still after 30 years I love my job and do not worry about keyboard warriors that do not know the facts, but I'm not afraid of a bit of banter
Pit Row
If only we could afford the R & D time it would cure so much but unless you are a year ahead and developing behind the scenes then you will always have to play catch up at the races.
Plus we have to be content with using the std castings, unlike a full factory effort where you have access to making cases stronger and less prone to moving under higher heat/pressure, that I would say is one of the biggest battles when gaining power from production parts.
That video of Merc on their race website is amazing and that is just the crumbs that they can show the public.
Doc Wob got cases done for his YZ250 Builds for Farleigh, loads of places that can do the machining, which i know is only half the battle, but even compared to 5 years ago , rates are coming down as capacity is increasing. .
Can you show some more photos steve?
Post a reply to: Ebay find of the day (Dixon/Cosworth YZ250F legit race bike)