Jonsered 670 champ specs. Help identifying

[Vicegrip86]

Hey everyone. I’m 100% a chainsaw noob. I just bought this 670 champ for $50(pics below) and it’s my first chainsaw. Im not new to small motors. So initially I tried to start it and it’s not firing up. So immediately I want to check and put in the right octane fuel and oil/ratios, spark plug plus the chain oil. I’ve been looking hard for an owners manual but not having much luck. I’ve read that it’s the same as the “super II”? If anyone can tell me anything about this and maybe help me find a owners manual it’s be greatly appreciated. I know it’s in rough shape but don’t judge me. I have a few small trees that need to come down after I rebuild it.

 

[cus_deluxe]

yeah thats a little jacked up, but mostly stuff that doesn't matter. first thing should be taking the muffler off and posting a picture of piston on here.
@ray benson is a guy who may have what your looking for in terms of manuals etc...

 

[Vicegrip86]

I will have to pull it apart a little bit on the weekend. For the mean time I do have 2 other pics I didn’t post. Not sure if it helps

 

[woods works]

Spec sheet from service manual. I believe the "champ" name was mainly marketing.

 

[woods works]

Parts PDF

 

[ray benson]

Hey everyone. I’m 100% a chainsaw noob. I just bought this 670 champ for $50(pics below) and it’s my first chainsaw. Im not new to small motors. So initially I tried to start it and it’s not firing up. So immediately I want to check and put in the right octane fuel and oil/ratios, spark plug plus the chain oil. I’ve been looking hard for an owners manual but not having much luck. I’ve read that it’s the same as the “super II”? If anyone can tell me anything about this and maybe help me find a owners manual it’s be greatly appreciated. I know it’s in rough shape but don’t judge me. I have a few small trees that need to come down after I rebuild it.

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