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Tips on improving stihl RM chain

Discussion in 'Just Chains' started by Xr650jkallen, Sep 13, 2019.

  1. Xr650jkallen

    Xr650jkallen Well-Known OPE Member

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    Picked up a new chain today and a loop of 33rm72 was the most aggressive thing the shop had. Is there anything I can do to help this chain out? The rakers seem rather large.
     

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    Last edited: Sep 13, 2019
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  2. huskyboy

    huskyboy Sorta a Husqvarna guy.

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    Your gonna get a lot of different opinions. It depends on what your cutting and the saw your running it on. I cut hardwood like hickory, ash and oak. Usually takes me a couple filings to get a chain dialed in. The RS and oregon EXL cut pretty decent for stock chain out of box as is in hardwood.
     
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  3. Flint Mitch

    Flint Mitch Pinnacle OPE Member

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    I have been just taking a couple light strokes on the rakers on new chain, but I don't bore. Then check again and usually take more off when I give it its first real sharpening. I like a hungry chain though
     
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  4. Xr650jkallen

    Xr650jkallen Well-Known OPE Member

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    Mostly cutting oak, hickory, and some walnut. I'm running a 20" bar on a 056 magnum ii.
     
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  5. huskyboy

    huskyboy Sorta a Husqvarna guy.

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    Drop the rakers a swipe and punch the gullet out a tad. See how you like it. It’s easy to do more if it needs it after a test cut, not easy to add material to the chain if you make it too aggressive ;).
     
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  6. Xr650jkallen

    Xr650jkallen Well-Known OPE Member

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    I'll give it a try tomorrow. Appreciate the help guys!!!!
     
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  7. mitchm1

    mitchm1 Well-Known OPE Member

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    Get a .30 raker gauge and keep the trimmed down
    A gauge is great it keep them equal so in really hardwoods you don’t the jerking it’s more smooth
    I all ways knock new chains down straight out of the box
    And have never had the right raker take the same strokes as the left
    No matter what brand



    Sent from my iPhone using Tapatalk
     
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  8. Lightning Performance

    Lightning Performance Pinnacle OPE Member

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    Dirty wood....your good. Faster cutting....trade it in for RS.
     
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  9. Xr650jkallen

    Xr650jkallen Well-Known OPE Member

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    I wanted RS but we don't have alot of loggers around my parts, so most dealers only stock consumer chains. I'm going to work on it a bit today and see what I can make it do.
     
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  10. huskyboy

    huskyboy Sorta a Husqvarna guy.

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    Get some oregon EXL from frawleys... loggerchain.com, very good price and free shipping.
     
  11. Xr650jkallen

    Xr650jkallen Well-Known OPE Member

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    Ill check them out . I need a 36" bar anyways, so I'll order a good chain for that.
     
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  12. Xr650jkallen

    Xr650jkallen Well-Known OPE Member

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    I'm glad this saw is heavy lol I don't even have to look at lightweight bars.
     
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  13. CR888

    CR888 Pinnacle OPE Member

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    That RM is far from a consumer safety chain lol. Have you actually cut with it yet? Pretty sure its yellow tagged pro chain, its just semi chisel. What exactly is it that you don't like about the way it cuts?
     
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  14. Xr650jkallen

    Xr650jkallen Well-Known OPE Member

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    I just feel like it could be more aggressive, I'm going to work on it a little and see what happens. Its definitely a good chain I think it's just a little on the conservative side.
     
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  15. mitchm1

    mitchm1 Well-Known OPE Member

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    My 16,20,25,28” bars all wear them
    Deep gullets
    Low and even rakers
    RM’s a forgiving when it come to dirty wood


    Sent from my iPhone using Tapatalk
     
  16. huskyboy

    huskyboy Sorta a Husqvarna guy.

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    RM cuts ok and good for dirty firewood but it’s slow in clean wood compared to full chisel chain, it’s also not as smooth either. Semi also doesn’t bore cut worth a *s-word if your felling timber. Comes down to what your using the chain for. I used to use RM all the time for dirty firewood.... swapped to full chisel for logging.
     
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  17. Xr650jkallen

    Xr650jkallen Well-Known OPE Member

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    I dropped the rakers just a tad and it got better for sure. I cut some cedar and then some oak. Definitely better than strait out of the box. Gonna do some gullet massaging and see what happens. What's yalls thoughts just by looking at the chips?
     

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  18. CR888

    CR888 Pinnacle OPE Member

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    The original pics of the chain look pretty good, for out of the box its not too bad. Chips look fairly good. Keeping it sharp with the right sized file is what I'd recommend over changing too much. Its just as easy to make a chain worse than it is better lol. Eyes are your best tool once you know what cutters 'should' look like.
     
  19. mdavlee

    mdavlee Hillbilly grinder

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    I set some semi chisel up with 30 degree top plate angle and more hook. It made it not bad at all to use for bucking firewood
     
  20. drf256

    drf256 Dr. Richard Cranium (“RC” to Muh pals)

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    I tried some stock and promptly removed it from the saw. Then I was told the factory rakers are way high.

    It didn’t cut well at all, felt like a dull chain after using RS.
     
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