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Tips on improving stihl RM chain

Xr650jkallen

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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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huskyboy

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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.
 

Flint Mitch

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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.
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
 

Xr650jkallen

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

huskyboy

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

mitchm1

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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



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Xr650jkallen

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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.
 

huskyboy

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

Xr650jkallen

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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.
 

huskyboy

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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.
 

Xr650jkallen

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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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CR888

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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.
 
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