Author Topic: SWM Info (Read 3700 times)

TT · « **on:** October 13, 2010, 12:14:43 pm »

Could someone direct me to a source of SWM info? e.g. how to identify models etc
Any online info most welcome.
Thanks in advance.

Also, any idea what this is?
Apparently a 1977 250 with a YZ front end (comes with original front end) and ATK countershaft rear brake setup.

NSR · « **Reply #1 on:** October 13, 2010, 05:19:32 pm »

Tony
The things people do to bikes :'(
I think It's a TF1 1979/80 Maybe with the steel tank.
This is a 77/78. It has the straight swingarm.

This is a 79/80.

TT · « **Reply #2 on:** October 13, 2010, 05:27:23 pm »

Excellent! Thanks for the info. He did say it had a steel tank, so it sounds like you're on the right track. I'll know more when I pick it up next week. With the rear brake setup, I figured I'd have to spent a little bit to get it back close to stock.

What numbers should I be looking for to identify the year?

I was hoping it was actually '77 so it would be Pre '78 legal. No matter, it's still an interesting (to me at least) Euro Enduro.

LWC82PE · « **Reply #3 on:** October 13, 2010, 05:37:23 pm »

http://www.srcf.fr/forum/forum.php

http://rugginose.forumfree.it/

NSR · « **Reply #4 on:** October 13, 2010, 05:42:45 pm »

It should say on the frame TF1 or RS-GS.

Tony PM sent

TT · « **Reply #5 on:** October 13, 2010, 06:07:53 pm »

Thanks fellas.

btw The owner claims it has a 305cc kit fitted. Is that feasible?

Canam370 · « **Reply #6 on:** October 13, 2010, 07:23:15 pm »

Yes it could be a 305. Canams ran a "350" model too. I forget which piston can be used otherwise but it can bump the cap to about that.

Tim754 · « **Reply #7 on:** October 15, 2010, 02:20:22 pm »

looking for the "305" upgrade" info For you Tony. It is here...shit.....somewhere

Tim754

TT · « **Reply #8 on:** October 15, 2010, 09:50:37 pm »

Thanks Tim. I'd be interested in any info at all.
It was apparently built by Barry Higgins and thanks to Rick Sieman, I've got his phone number so I'll give him a call next week.

JC · « **Reply #9 on:** October 16, 2010, 09:15:37 am »

I'm not familiar w a 305 kit/engine but the 350 rotary v/v engine is just the long stroke crank w an oversize piston from the earlier short stroke engine & is only about 276cc (76 bore x 61 stroke IIRC) - sometimes called (more accurately) a 280

TT · « **Reply #10 on:** October 21, 2010, 08:40:47 am »

Seems like you're on the money, JC.

Thanks to Jerry, I got a copy of the Classic Dirt Bike article on them that claims that the first TF1 was a 1980 model and was also the first one in orange.
Seems to add up as the original forks that came with it are orange as are the original footpegs.

Without any numbers though, it's hard to prove exactly what it is but I'd reckon 1980 TF1 would be pretty close.

At least I know it doesn't fit into pre 80 if I choose to ride VMX on it at all.

Thanks again for all the input, gentlemen.

Tim754 · « **Reply #11 on:** October 21, 2010, 07:15:33 pm »

JC is right!

JC · « **Reply #12 on:** October 22, 2010, 09:15:55 am »

Tony,

Nice find. I had a 78 RS-GS250 for a while. Suspension, handling & brakes were sweet. Engine was as crisp as a trials bike down low, but had a king-hit at about 7000rpm. Fastest 250 twinshock in a straight line that I ever rode, but that king-hit made it a bit of a handful in the bush.

However it had the short stroke engine & the long stroke engine (you have) was said to tame that. So will the extra capacity I should imagine

Enjoy it!

TT · « **Reply #13 on:** November 12, 2010, 05:05:03 pm »

FWIW, I've just seen a guy in Italy selling a 1977 250GS and it has the bendy swingarm like mine.

So maybe it is pre 78 after all!!

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