Yet Another Dual Port Muffler Question...

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weatherby guy

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I am getting ready to fire up my new MS660 for the first time this weekend and cut up some fresh fallen timber down south. I have read through the manual, spent time with a friend who owns a tree service and have all of PPE.

I just purchased a Dual Port Muffler Cover and ordered new limiter caps and the tool required to pull the exisiting caps. I have searched the threads and cannot find a definite answer to the following, "Can I run the DP Muffler without making a carb adjustment for the first few tanks of gas while I am waiting for the tool and new limiter caps?"


One more question, I have read the many many posts on chain sharpening. While the posts were very informative, in the end they left me with more questions. I will be running 3/8, .50 Ga Chain, low kick back Stihl Chain. Stihl sells a sharpening kit for this type of set up (files and guide), would this be adequate for a neophyte or should I just buy a few files (please recommend type) and go from there.

Thanks in Advance
 
My advice,,,,strictly jmho

Question # 1) Did you order or do you have a tach????

if you dont have a tach I would not install the DP muffler until you get one,,, and have your limiter cap removal/installing tool and new limiter caps,,, :monkey:

that NEW saw cost too much money to risk leaning it out.... :cry: :cry: :cry: oh I forgot about the Files,,, get your self a few extra chains so ya have one to swap out if you totally screw up your 1rst chain,,,,,, Oregon makes a file guide kit that has the top plate guide or setting your rakers,,, you should not have to touch the rakers for the first couple of sharpenings, and a file guide for the cutters,,, get your self a good file, a handle, and practice makes you better,,,, and if all else fails take the chains to someone with a grinder who knows what hes doing!!!! it is an art to sharpening chain really well,.....
 
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Dp muffler

I have a ms660 that i put a dp muffler cover on a few months ago and didn't change anything runs good i cut timber with it everyday and have no problems.But if you have a tach to set it up with i quess it wouldn't hurt as for the filing if you are not very good at it you should pick up a roller guide they work very well and fit in your pocket your saw dealer should have one good luck:chainsawguy:
 
Rat is right. More air makes the saw lean. You don't want a lean saw in the first place, let alone while you're breaking it in. If you don't know how to tune a saw, find someone who does to teach you. There are more saws on ebay and in pawn shops that were run lean and "don't run right," or whatever. Easiest way to cook a saw, other than running straight gas.

I assume that since you have caps on order you've got a dealer you're working with. He should certainly have the tool, be able to install the DP cover, and then retune it for you. It's his job. Hell, he should have caps in stock. Guess not.

As for your chain, the same applies. Learn how to sharpen a chain without any gizmos, just a file guide and chain file (not a rattail!). Learn that, and you're good to go. I'd also recommending ditching the safety chain when you're ready. You're running a 660, which is a serious saw in anyone's book, let it cut like it's meant to cut.

Welcome to AS.

Jeff
 
I am getting ready to fire up my new MS660 for the first time this weekend and cut up some fresh fallen timber down south. I have read through the manual, spent time with a friend who owns a tree service and have all of PPE.

I just purchased a Dual Port Muffler Cover and ordered new limiter caps and the tool required to pull the exisiting caps. I have searched the threads and cannot find a definite answer to the following, "Can I run the DP Muffler without making a carb adjustment for the first few tanks of gas while I am waiting for the tool and new limiter caps?"


One more question, I have read the many many posts on chain sharpening. While the posts were very informative, in the end they left me with more questions. I will be running 3/8, .50 Ga Chain, low kick back Stihl Chain. Stihl sells a sharpening kit for this type of set up (files and guide), would this be adequate for a neophyte or should I just buy a few files (please recommend type) and go from there.

Thanks in Advance

Are you the dude that has never owned a saw before?????
 
I think you will find that with the duel port muffler you will end up needing to richen the mix. The limiter caps wont stop you in that direction. Whatever you do don't run it too lean, it will sound like its running at its best but you will burn it up. Being a newb I would suggest keeping it on the rich side, or drop by a dealer and let a tech adjust it. Spark plugs are cheaper than cylinder kits.
 
right on!

Rat is right. More air makes the saw lean. You don't want a lean saw in the first place, let alone while you're breaking it in. If you don't know how to tune a saw, find someone who does to teach you. There are more saws on ebay and in pawn shops that were run lean and "don't run right," or whatever. Easiest way to cook a saw, other than running straight gas.

I assume that since you have caps on order you've got a dealer you're working with. He should certainly have the tool, be able to install the DP cover, and then retune it for you. It's his job. Hell, he should have caps in stock. Guess not.

As for your chain, the same applies. Learn how to sharpen a chain without any gizmos, just a file guide and chain file (not a rattail!). Learn that, and you're good to go. I'd also recommending ditching the safety chain when you're ready. You're running a 660, which is a serious saw in anyone's book, let it cut like it's meant to cut.

Welcome to AS.

Jeff

Right on jeff! You hit the nail on the head with that post!:rock: :)
 
Are you the dude that has never owned a saw before?????

That be he.

That's a hell of a saw for your first one! Go big or go home, eh? I wouldn't worry about the muffler mod right now. Run it for a while and get used to it.

I thought you were just knocking down some tops left over from a logging operation? That's a whole-lotta-saw for slashing up some tops! Keep the safety chain on it for now and get the feel of it.

And be careful!! I'm sure there are lots of spring-poles in the mess of tops. They can be tricky if you're not paying attention, especially with a saw that big!

An MS660 for your first saw...Wow!

Jim
 
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No problem,,, for a first time saw user

I am the 'dude' that has never owned a saw this big/powerful before.


safety chain is a good way to start,,, once you learn about kick back and how to avoid them & get used to running it a bit you will be more comfortable with it,,, then you could step up to regular RMC Rapid micro chisel,,, or RSC 33,,, for what you described in you initial post cleaning up some downed tops and sprung spars,,, the safety chain will serve you well....
it actually cuts surprisingly well,,as long as its sharp,,,, Heck thats true of all chain for that matter,,,, be safe out there,,,,,, especially around any blowdowns that have a sprung load on them,,, they can get you in a bind,, 9 lined, if YOU let them,,,,,

Keep tha chips flying and check your chain on that new saw,,, Dont over tighten It either,,,, That saw should last you a very long time...... it is a great saw,,,,,
If it feels like it its not cutting as fast when you started and your chips are getting smaller (pay attention to your chipsize),,,time to change it out or sharpen

good luck and happy cutting,,,,,,,,,,,
 
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That be he.

That's a hell of a saw for your first one! Go big or go home, eh? I wouldn't worry about the muffler mod right now. Run it for a while and get used to it.

I thought you were just knocking down some tops left over from a logging operation? That's a whole-lotta-saw for slashing up some tops! Keep the safety chain on it for now and get the feel of it.

And be careful!! I'm sure there are lots of spring-poles in the mess of tops. They can be tricky if you're not paying attention, especially with a saw that big!

An MS660 for your first saw...Wow!

Jim

I actually stated "The logger left all the huge tops and surprisingly some big trunks. ". Agreed its a overkill for cutting up tree tops. The loggers won't be back in my lifetime, however very large trees have been known to fall down on my piece. There are a few very large rotting trees that I am guessing were brought down by foul weather some time ago.

No question about the 660 being more saw that I am likely to ever need. While I admire those who have the stones to take down large trees as well as those who have the business acumen to run a logging outfit and/or a tree service, I have no interest in switching professions. That said good deals do interest me. I was able to purchase a brand new 660 for 800.00. If the saw proves to be too much for me I can dump it and worst case break even.
 
Weatherby,

Don't listen to all the sissy's around here about "too much saw". My first saw was an 041, about a week later I got a 2100 Husky (99cc's and 25+ lbs) and got rid of the 041. If I could change anything about it I would never have bothered with the 041. Its like anything else thats dangerous, just approach it with caution.
 
That said good deals do interest me. I was able to purchase a brand new 660 for 800.00. If the saw proves to be too much for me I can dump it and worst case break even.

If you decide its too much saw for what you need,,, Dont you worry,,, I'll give you all your money back and make you a deal on a good same brand smaller saw that will get it done!!!

and dont listen to Ultra!!!!!!!!!!!!!!


Ha ha ha ha good luck and be safe :chainsawguy: :cheers:
 
FWIW... I ordered a DP cover for an MS460 and when that came in, bought the 460 (yeah, ordered a part for a saw I had yet to purchase, picked it all up at once), and installed the DP cover right away. As it turned out in MY case with MY saw, the hi-side screw turned all the way rich against the stop was right on the money with the burble and tach reading. I did cut the limiters for future adjustability, but it was not needed at my initial "dual port cover-required richening"...

Of course, YMMV... and likely will.

Werd.
 
On the 460, the adjutsments for dual port can be close as the outlet in the added port is fairly small. On the 066/660 it's relatively huge.... and adjustment will be requried both on L&H. How much depends on the type of muffler you are ADDING the dual port to. The older the muffler the larger the existing port, and the less you'll need to compensate.
 
Novi, Michigan

Well, I was going to say that if you were nearby you'd be more than welcome to roll by and put a tach on the saw to see what it's doing. But I reckon that it's not worth a trip from Novi to East Lansing just to tach a saw...

You'll be content with that saw. Despite its weight it handles pretty well with a 20" bar, and as long as you're not going to be carrying it all over creation the weight won't be the end of the world.

Where are you doing your cutting? The Novi area?
 

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