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Author Topic: ms880 dog  (Read 1227 times)

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Offline doc henderson

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ms880 dog
« on: February 10, 2019, 02:11:41 PM »
so I have the ms 880,  It is not fully broke in yet, and I got the 5 foot bar and have a skip tooth chain.  wanting an update on how to get more power.  In a big cut, it will bog down in the cut.  I was told before I got it, that they were kind of a dog, and I should buy the big husky.  I am stubborn.  Have read about a bigger sprocket, about engine porting and waiting on a call back.  also about putting on a ignition with out a limiter.  I have been told it skips a spark every so often.  It is heavy and I don't like fighting it just to keep it running in the cut.

Offline sawguy21

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Re: ms880 dog
« Reply #1 on: February 10, 2019, 02:56:36 PM »
How many tanks of gas have you run through it? Maybe the dealer can fine tune it  once it's broken in. No way around it, the 880 is a heavy beast
old age and treachery will always overcome youth and enthusiasm

Offline doc henderson

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Re: ms880 dog
« Reply #2 on: February 10, 2019, 03:31:01 PM »
only 2 or 3.  I tend to not use it cause it is frustrating.  It is a good workout.  I have the 3 foot bar on, maybe I should put the 25 inch on and use it more.  Like shooting skeet with a 10 g pump!  and yes I have done that.

Offline doc henderson

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Re: ms880 dog
« Reply #3 on: February 10, 2019, 03:34:43 PM »
how many tanks until you would consider it broke in?

Offline lxskllr

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Re: ms880 dog
« Reply #4 on: February 10, 2019, 04:13:54 PM »
The internet said 6-10 tanks for my 362cm. Dunno how widely that applies across the lineup, and I'd be a liar if I said I could tell a difference between new performance, and tenth tank performance. I was concentrating on not cutting my leg off, and not how the saw was performing though   :^D

Offline doc henderson

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Re: ms880 dog
« Reply #5 on: February 10, 2019, 04:25:16 PM »
I think it just did not meet my expectations.  will have to see, maybe lower my expectations.  There was a guy on this forum who does the mods.  thought about sending my 046,  do not remember his name.  I spoke to him back in october and have not heard back.  i will cut some wood today and get it out.  

Offline Air Lad

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Re: ms880 dog
« Reply #6 on: February 11, 2019, 05:21:02 AM »
so I have the ms 880,  It is not fully broke in yet, and I got the 5 foot bar and have a skip tooth chain.  wanting an update on how to get more power.  In a big cut, it will bog down in the cut.  I was told before I got it, that they were kind of a dog, and I should buy the big husky.  I am stubborn.  Have read about a bigger sprocket, about engine porting and waiting on a call back.  also about putting on a ignition with out a limiter.  I have been told it skips a spark every so often.  It is heavy and I don't like fighting it just to keep it running in the cut.
It might just be me but a freshly sharpened chain seems to cut better after a few slices. 
It is widely said that they go better after a number of tanks through from new
but I never noticed on a smallish Husky I bought new. At the time but I would not have been too aware of performance. 
But if there is going to be much difference you wouldn't expect it to be a great deal . I owned a prawn trawler for 12 yrs and the saying was...There is no substitute for horsepower.
Big saws I have little knowledge of but I feel your pain doc
Hope you get some satisfaction mate
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Offline mredden

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Re: ms880 dog
« Reply #7 on: February 11, 2019, 07:22:04 AM »
Ten tanks then re-tune in the cut at a place of your average cutting elevation. I think that's traditional thinking.

Is it neccessary with modern saws? I dunno, but I always reserve judgment until a new saw reaches that point.

Offline teakwood

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Re: ms880 dog
« Reply #8 on: February 11, 2019, 07:26:15 AM »
at least 15-20 tanks 
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Offline doc henderson

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Re: ms880 dog
« Reply #9 on: February 11, 2019, 11:25:23 AM »
Here is me and the 880, vs a little cottonwood.  




 


Maybe I just wanted to venture into "mod" territory.  I have opened up exhaust on my 046, any concerns with porting as far as longevity or starting a saw?  The above is by the lake at camp, the 5 foot bar made it about 6 inches out the other side.

Offline Somewhat Handy

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Re: ms880 dog
« Reply #10 on: February 11, 2019, 11:33:51 AM »
Did you say you were looking at a bigger sprocket? To me, bogging sounds like a torque issue. If you want more torque to power through, then I think the smaller sprocket will reduce your RPM max but give you a little more grunt. This is just what I've read on this site and elsewhere. I'm sure those who know will pipe up.

Offline doc henderson

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Re: ms880 dog
« Reply #11 on: February 11, 2019, 11:36:59 AM »
yes that makes more sense there is no big flywheel to build momentum.  Had read that in the past when I was making my decision to buy

Offline HolmenTree

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Re: ms880 dog
« Reply #12 on: February 11, 2019, 11:50:39 AM »
Doc, from my experience those big saws can take a couple hundred tanks of fuel to fully seat the rings and bearings to maximum power.
They're built for longevity.
What were you using the 5 foot bar for?
Ranchers here used those long bars to cut round hay bails  in half  I used mine to cut paper rolls.
Best way to break that 880 in is put it on a Alaskan mill or better yet one of those stand up mills one of our sponsors sell here.


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Offline doc henderson

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Re: ms880 dog
« Reply #13 on: February 11, 2019, 02:53:48 PM »
I like to make cookies.  so I got the 880 after had problem with the 661 not starting after warm. They never figured it out, so I went up a size.  I feel like it turns slow enough that it gets caught up in the cut, kind of like a cheap 110 volt electric that just kinda drags.  I had huge expectations, and everyone tried to tell me it would be clunky and recommended Husky at that size saw.  It is mine now, so will try to use it more often, but it is not my favorite saw thus it is not nearly broke in.  I was told the ignition depowered the saw, like a rev limiter. skipping a spark on a regular basis.  I don't want to waste money on "upgrades" or "mods" if they will not help.  Sounds like I should take it to Georgia in april and let every one put some hours on it and see what they think of it.

Offline RockChucker30

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Re: ms880 dog
« Reply #14 on: February 11, 2019, 03:01:43 PM »
I noticed some improvement in my 880 after three tanks.  It's still pretty new, need to get out in the next couple weeks and run a few more tanks through it.

I had issues with bogging in the first couple cuts, but since then it's gotten a lot better.  I set the dogs in and let the saw work without forcing it.

I bought it primarily for milling, so I'm hoping for longevity.  Don't plan to do any mods at all, but certainly not until the warranty is up.
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Offline HolmenTree

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Re: ms880 dog
« Reply #15 on: February 11, 2019, 03:12:35 PM »
Brand new 880 on a 5 foot bar with big .404 chain in that big cottonwood is not like cutting cookies with the 661 :D
Put that bar and chain on your 661 and try it in that log, you'll be disappointed even more.

Take it back to your dealer and have him check it out, on warranty you got nothing to lose.
Making a living with a saw since age 16.

Offline stanmillnc

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Re: ms880 dog
« Reply #16 on: February 11, 2019, 03:35:04 PM »
I destroyed my new 880 pushing it too hard and fast milling a 36" diameter dried hickory log. Deeply scored the cylinder; lost all compression, melted the clutch, etc. Stihl reluctantly agreed to put in a new cylinder under warranty as a one-time deal since my dealer convinced them I was a valued customer with multiple saws....but they cautioned me that they don't warranty their saws when used for milling. 

So I guess my advise would be not to push it too hard too quick until broken in and I also run a richer oil mix (~35:1), instead of the standard 50:1 and only use high quality synthetic two cycle oil in hopes of improving lubrication (recommended by my dealer). It's been okay since, but I have been a little disappointed in performance through the huge hardwoods I'm milling with it - it bogs down easily even at slow feed rates. It could be I don't sharpen my chains as well / often as I should however, so I probably shouldn't blame the saw!

Offline smoked

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Re: ms880 dog
« Reply #17 on: February 11, 2019, 11:17:27 PM »
I don't know if I read it here or somewhere else but don't run you mix rich.  Synthetic yes!  Premium non ethanol fuel, yes. But running rich changes the intended octane and that can cause detonation.  Sorry I don't have a link.  

Side note. my 661 has done great milling and I am happy.  I admittedly lust a little after the big saws but looking at specs, it seems to me the HP gain for weight ratio on the giant saws does not seem that great.  

I hope that once broken in that 880 starts getting it done for you.  I have a friend with an 090 that loves it and would not part with it for anything.
Hobby woodworker/wood burner
If I screw something up, it is free heat next winter:-)

Offline ehp

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Re: ms880 dog
« Reply #18 on: February 12, 2019, 08:18:42 AM »
the husky 3120 is no better , if anything its not as good . Both saws have limited coils . I have owned/ported Im sure well over a 100 of these saws. But in stock form both kind of suck . A 5 foot bar running .404 chain is asking a lot thou so it will not have the power if you dogged the spikes in hard and pull . I have sold quite a few 880's the last couple years running 47 inch bars to guys in Toronto that are milling table tops . No I have none for sale and Im not looking for porting work , Sorry .

Offline mredden

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Re: ms880 dog
« Reply #19 on: February 12, 2019, 08:23:05 AM »
How is your oiler set?

I wasn't happy with my 390xp the first couple of tanks. Bogged some in the cut.  Then, I noticed the chain wasn't very oily and the sprocket housing was much too dusty rather than greasy.. Checked the oiler setting and it was on the lowest setting. Turned it wide open and the bogging went away even when I buried the tip of my 36" inch bar in very hard live oak. (Getting a 43" this week)

I kept the oiler on wide open til I had run about 15 tanks ( the last 10 tanks were milling red oak and some live oak)  then turned it back to the medium setting. I'm in love with the saw now. Probably gonna tune slightly richer now than the factory settings because it will be primarily a milling saw.


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