No way is it a 750 yamaha with an upswept pipe...

I think Bill's right,... 750cc oil...
it's maybe a 250cc engine...

Lots of time and money,... and if you have to ask us what it is,... you probably need more experience with bikes...  maybe even have to hand machine some of the replacement parts...
I couldn't do it...

then maybe 175cc or 350cc , or 125cc....   Just definitely not a 750cc...

...  It was fun to look at... Thanks..

My bet is a 175 cc sold as an Enduro back in 1971. I believe the designation was a CT1.
If you get the VIN numbers off the frame neck & post them, I'll see if someone on the Yamaha forum can identify it. The VIN will be a lot shorter than what we have now.

Okay,...  I just reread the thread from the start...

Throw all logic, and past assumptions to the side, and carefully read this link...
http://suzukisavage.com/cgi-bin/YaBB.pl?num=1251932429
I've had this problem twice on two Savages, and know the petcock and it's misery's intimately...
If you can afford $30.00, just go ahead and buy the recommended Raptor 660 petcock and eliminate the possibility forever, and  very likely fix your problem..
If money is too tight for that,... seriously and carefully follow the testing instructions to the letter...

I'm 90% certain this will fix your problem, so do it... even if you think you've already eliminated it,.. do it again...
Because if you are wrong,.. you'll kick your own ass forever tryin' to work this out...
...if I'm wrong,... it's only a simple test or a $30.00 investment,...  and wouldn't you rather be pissed at me, than pissed at yourself?...
Seriously,... this is your best likelihood for fixing your bike.. and trying other things, is just opening up the possibility of creating a second problem...
Do it...
...

Don't look at me like that... just do it... ...

Kero,.. get this sucker running, so you can join the Scavenge hunt... ...

Serowbot wrote on 03/27/10 at 23:07:59:

I'll try again, but the problem isnt riding the bike, it's more... why doesnt it want to start... and continue running... and it doesn't matter what position the petcock is set ot (Res/Prim/On), but I have nothing to lose at this point, I can test it... cost's me to keep driving back and forth.

Serowbot, what is the immediate fix so I can get it home? IF the issue is the petcock, is there any way to "patch" over the problem so it can ride 39.2 miles, so I can get home and work on it there?

Alan

Petcock is not leaking, nor did the bike run any better... in fact.. died just like before

I sucked on the tube, nothing came out and suction was there...

battery is fully charged, im draining the gas right now, going to replace it just for shits and giggles...

kerosene wrote on 03/22/10 at 23:25:24:

Ok, so you gotta new2u carb, one that's been sitting in a unknown condition for who knows how long.  We're back to square one.
add seafoam, let sit. try again.
since you had the carb in your hands... did you clean it before?
what jets are in it?
how is the idle mixture screw set?
I think the petcock is a mute issue, you got it set to prime, pull the hose and plug the port.  remember to return it to "on" when you quit messin' with it.
BTW, there's still gas in the tank?  Cause I'd hate to tell to put the bike back in the box and return it to the store.