New Project for 2012

[albrid-3]

This my new project for 2012

[Canam370]

Excellent Dave! You've set the scene - now for the big reveal!

[albrid-3]

Thanks paul.
Steve Cramer raced an Ossa Stilletto 250 in 1972 when de coster was out here, and I do remember seeing ossa stilletto being raced in 69 and 68.
This one  has no frame numbers but have been told that the early models didn`t have any frame numbers, I bought the bike knowing it was a 4 speed, but not that sure now
Engine number m322241, Because I would like to race it in pre70, the 175 stilletto would be eligible, does any body know if a 5 speed engine can be turned into a 4 speed.

[VMX247]

https://picasaweb.google.com/vmxwa.webmaster/WanderingMillFarmAugust2010#5506353407006937906
cheers A

[VMX60]

Sorry Dave

All that is 5 speed 71/73  mx enduro

Tank is late model stiletto early 4 speed had small  round tank badges
Betor alloy forks 70 on models early were steel yokes/legs
Rear wheel looks to be Pioneer
322 engine is 72 mx??

And no a 5 speed rear frame mount change to suit a 4 speed crankcase offset is only way to go back to the early cases

The later 5 speed had a way better gearbox than a early 4 speed model
Pre 70 never
Cheers

[firko]

oops Dave, that buggers the OSSA for pre '70 by the look of it. It's a shame as it would have added some variety and colour to the class. As an aside, I chopped one of these up to create my DT1 from Hell back in the early 90's*. I used the front half of the frame, forks, yolks and front wheel in the DT1. The OSSA front brake is the worst I've ever used, I fitted super soft linings, a shorter actuating arm, a thick cable and even modified the actuating cam for more purchase.....all to no avail. It looks good though!

* Don't hate me, it was a total basket that some moron had fitted a DT1 engine to using angle iron and a stick welder and had the worst laydown shock converstion I ever saw....both shocks were at different angles! I did it a favour cutting it up for my project

[albrid-3]

Question, ossa 175 engine is the stroke the same as a 250 60mm, would a 250 barrel fit a 175 cases. my front forks are Ceriani forks which will be eligible for pre 70.
This photo of the OSSA is 1969 model

[VMX60]

Dave

The 1965 175cc motor 60mm stroke 61mm bore  maybe a 250 barrel will fit the crankcase mouth, might need machining out if the stud are in the line with the bigger barrel

Cheers

[bazza]

Is it a keeper dave or a shed project

[albrid-3]

Hi Bazza, this is my shed project and a Keeper, this will be my race bike.

[bazza]

Hope you enjoy it then dave

[albrid-3]

I HAVE JUST BOUGHT A 175 STILLETTO ENGINE AND ANOTHER 250 STILLETTO ENGINE. SO l SHOULD BE RIGHT NOW.

[mike1948]

Why not complete the bike fully stock as a 1972 250 MX 5speed, because that is what it is.  It will be a nice ride in pre75, and will definately add some variety to the class.  Not the quickest in a straight line, but fast around a track.  I looked at that bike, but like you I wanted a pre70 mount.

[albrid-3]

I no what you mean, pre70 is a little more relaxed than pre75.

[albrid-3]