Legal Pre-70 front ends

[Dono113]

Just looking for a few options to upgrade the front end off my 69 TS 250, just picked one up off Ray Atiken and its got a TM set up at the moment.

[jimg1au]

cz front end
betors
some husky can amm i think they are betors anyway
all 35mm forks

[firko]

I'm not certain if the TM forks are legal for pre 70 or not. If they're basically the same as pre 70 TS forks they're OK so then all you have to do is fit YSS PD valves or Race Tech Gold valve cartridge emulators. I've got Gold Valves in a set of 34mm Yamaha forks and YSS PD valves in a set of 35mm Cerianis. Fitting cartridge emulators and uprated springs to the Suzuki forks saves a lot of trouble and work and will perform much better than standard Betor, CZ or Ceriani's anyway. It's the single best suspension mod you can do to a 7" travel vintage racer. 

That TS of Rays is a good bike....built by Eddie Brook back in the 90's and the winner of a lot of pre 70/250 races during its time.

[SON]

Besides the 67/68 twin pipe TM 250 all other TMs are post 1970

[Dono113]

Cheers Mark, Ray thinks it won't be legal at titles, got spare complete motor and a spare TS in the deal. Thanks Jim too, look
 Forward to next weekend at the WSDT rd3
Cheers
Bret D

[farmer58za]

Montesa Betors.

http://s215.photobucket.com/user/farmer58za/media/IMG_2776.jpg.html?sort=3&o=65

They will need a new steering stem though.

Regards
David

[firko]

Besides the 67/68 twin pipe TM 250 all other TMs are post 1970

But are the pre 70 forks the same as post 70 Graeme? I'm curious myself.

[SON]

No Mark completely different
I have a 69 TS and a factory race kit so I am going down the same road
I know all the Euro forks are better than the steel Japanese but they just don't belong

[firko]

I know all the Euro forks are better than the steel Japanese but they just don't belong

I've got YZ250-A Yamaha forks on my TM400 so I reckon anything belongs if it's legal and works.

[Tim754]

Thanks for the info SON .Would it be possible to put up a photo compering the forks?  Tim754

[Freakshow]

I can swap you a legal 69 TSfront end

[SON]

Thanks for the info SON .Would it be possible to put up a photo compering the forks?  Tim754

Sorry I am no good at posting photos
I'm sure someone can do that

[firko]

 There doesn't appear to be much of a difference going by these two photos.                                                                     
                                                                             
                                                                             

[Tim754]

Agreed Firko. I might even have both of those about to physically compere. Lets face it neither  would in "bog stock form" offer any real advantage over the other.

[firko]

Agreed Firko. I might even have both of those about to physically compere. Lets face it neither  would in "bog stock form" offer any real advantage over the other

Tim.....I suspect that they're probably pretty damn close, if not identical inside, a bit like pre 75 34mm Yamaha forks, which, after the original steel legged '68 model, are all pretty much the same except for a bracket casting here or there. I haven't seen anyone object, or even notice MX250 forks on a DT1 in Pre 70. Having said that, if there is a difference, all it takes is one pedantic finger pointer and your whole race meeting could turn to shit with a protest.