Vintage Chainsaw Collectors Lounge

[brandonstc6]

Someone responded to my Craigslist ad looking for old chainsaws and they have a good looking 034 super that won't run right and It dies when turned on it's side. I am thinking it is a bad crank seal. Will I be able to pull the seals out without splitting the case. He says the saw still runs and has good compression.


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[astnmacgto]

Someone responded to my Craigslist ad looking for old chainsaws and they have a good looking 034 super that won't run right and It dies when turned on it's side. I am thinking it is a bad crank seal. Will I be able to pull the seals out without splitting the case. He says the saw still runs and has good compression.


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I am no stihl expert

 

[LonestarStihl]

Snagged this bad boy today.

 

[Boomer 87]

Wow those sand cast poulans look nasty with bow bars. Is it a model 71 or 72?

 

[LonestarStihl]

Wow those sand cast poulans look nasty with bow bars. Is it a model 71 or 72?

It's actually a 68 per the tag.

 

[Boomer 87]

Ahh ok cool i got a white model 71, idk if you've ever run one but itll make your ears ring. You can look right into the "muffler" and watch the piston moving. Lol love it

 

[LonestarStihl]

Ahh ok cool i got a white model 71, idk if you've ever run one but itll make your ears ring. You can look right into the "muffler" and watch the piston moving. Lol love it

No sir never run one before. This one supposedly doesn't have spark so I have some work to do on it. But I have several in front of it too.

 

[Boomer 87]

Probly just needs a point file here is my model 71, 92.5ccs its a monster

 

[LonestarStihl]

Probly just needs a point file View attachment 540466here is my model 71, 92.5ccs its a monster

What fuel ratio do you use?

And that is a clean looking saw

 

[Boomer 87]

In that one i run semi synthetic 40:1 on 100ll avgas

 

[Boomer 87]

With good fuel and high quality oil you dont have to run super thick mixes anymore... but 32:1 wouldnt hurt it either.

 

[LonestarStihl]

Yeh I was thinking a 32:1 mix with the full synthetic but figured I'd ask. I do non ethanol as well

 

[Kensie1988]

I have two questions
1 - I run the orange bottle Stihl oil that mixes 50:1, is that okay? If not what should I use or how should I mix it until I use up what I already got.

2 - what's a good method to clean a fuel tank?

 

[Boomer 87]

I run 50:1 stihl ultra the silver bottle bc its synthetic. As far as cleaning a tank out, it depends on whats in it and how bad.

 

[Kensie1988]

I run 50:1 stihl ultra the silver bottle bc its synthetic. As far as cleaning a tank out, it depends on whats in it and how bad.

I'll have to see if I can get a photo of it. As for the regular Stihl oil in the orange bottle, how should I mix it? Should I keep using 1 bottle per gallon of non ethanol gas (50:1) or mix it to a lower ratio?

 

[astnmacgto]

I usually mix 40:1 100ll av gas for the old stuff and 50:1 100ll av gas for the new stuff. but honestly with good quality oil 50:1 should be fine.

 

[Kensie1988]

I usually mix 40:1 100ll av gas for the old stuff and 50:1 100ll av gas for the new stuff. but honestly with good quality oil 50:1 should be fine.

Ok good to know, I don't want to mess up anything I have.

 

[brandonstc6]

I've been running 32:1 but I don't use synthetic oil. Some of my saws smoke like a mosquito fogger too.


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[Boomer 87]

Its really personal preference i too run 40:1 in old dogs and 50:1 in my late models. 40:1 semi synthetic, 50:1 full synthetic. Just make sure the carb is tuned correct, it will be ok i wouldnt go any leaner than 50:1 though

 

[Kensie1988]

Its really personal preference i too run 40:1 in old dogs and 50:1 in my late models. 40:1 semi synthetic, 50:1 full synthetic. Just make sure the carb is tuned correct, it will be ok i wouldnt go any leaner than 50:1 though

And by making sure the carb is tuned correctly means making sure it's running and idling rich but leans out in the cut correct?