Author Topic: Poulan Pro 4218 AV  (Read 377 times)

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Offline ChipsAhoy

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Poulan Pro 4218 AV
« on: January 17, 2016, 09:43:35 pm »
I was give one of these this weekend with the statement "it's broke" you can have it.  Curiosity got the best of me today and I started checking it out. I started with the usual suspects, spark, fuel lines, quick look in cyl, so far so good. Pulled the cover off the bar and lo and behold the shaft the sprocket rides on is broken off where the clutch threads end.  He was right....it's broke.  I would have to replace the crank to fix it. Not worth messing with.

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Re: Poulan Pro 4218 AV
« Reply #1 on: January 17, 2016, 10:05:40 pm »
Well sometimes you can find something cheap on ebay that is used but will still work.   That would not be a first for me.
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Offline Chris-PA

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Re: Poulan Pro 4218 AV
« Reply #2 on: January 17, 2016, 11:10:48 pm »
Yup - keep and eye out on eBay and you can surely find a crank cheap.  There are a bazillion of these out there and very few have failed cranks, so those should be one of the more common things left when they are parted out. 

Offline ChipsAhoy

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Re: Poulan Pro 4218 AV
« Reply #3 on: January 18, 2016, 07:42:05 am »
Thanks, I've checked some of those out. I also noticed that complete saws were pretty cheap and a re-manufactured saw going for around $80. This saw is not that common (I've never seen another) in my neck of the woods, and I think trying to flip it will be a chore. My fear is putting more into it then it's worth.  If I fix this, what else will I need to fix  One thing leads to another and eventually your past the point of no return....literally.   I just don't want to go there.

Now if this was a Stihl or Husky I'd have a different viewpoint on the repairs. Those two are the major players up here in N Wisc. and fairly easy to flip.

Poulan gets a bad rap here as being a cheap WalMart saw, even though they make pretty decent homeowner saws.

Has anyone else seen this kind of damage? Is this a weak spot in design of clutch/sprocket drive?

Offline dannyupsolate

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Re: Poulan Pro 4218 AV
« Reply #4 on: January 18, 2016, 09:52:05 am »
not that common a problem. If saw is strato it,s likely any of strato engines will fit it. Other than 50 cc engine.

Offline Chris-PA

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Re: Poulan Pro 4218 AV
« Reply #5 on: January 18, 2016, 10:11:25 am »
I gotta believe someone went full gorilla on that as I've not seen any broken before.  Perhaps they didn't realize the clutch was reverse threaded?

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Re: Poulan Pro 4218 AV
« Reply #6 on: January 18, 2016, 11:13:45 am »
I have 3 of those Poulans and have modified a couple of them.   There is no weak spot with the cranks and they have pretty good antivibration and run very good with the correct modifications.   If your just a flipper then part it out.   I myself would rather have the Poulan 4218 for 40 to 50 dollars instead of a Stihl for 240 dollars.   
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Offline Cut4fun

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Re: Poulan Pro 4218 AV
« Reply #7 on: January 18, 2016, 01:02:42 pm »
I seen a pic of a 025 250 yesterday where the crank broke on the flywheel side.  Right at inner part of fly.  That was a first for me on fly side.
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Offline ChipsAhoy

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Re: Poulan Pro 4218 AV
« Reply #8 on: January 18, 2016, 05:37:35 pm »
I gotta believe someone went full gorilla on that as I've not seen any broken before.  Perhaps they didn't realize the clutch was reverse threaded?

It didn't break because of trying to remove the clutch. The extension of the shaft past the clutch is where the sprocket/clutch housing goes, and in held on by cir-clip. That's where it broke. It would be easier to understand if I'd had posted a pix. My neighbor wanted it so it's gone now.

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Re: Poulan Pro 4218 AV
« Reply #9 on: January 18, 2016, 06:34:43 pm »
Then it sounds like someone might have tapped it with a hammer.
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