'15 Echo CS620PW Information

[Chris J.]

Oh Lord, don't mention his name. He's like a giant, smelly turd...when he walks into the room, everyone holds their nose and runs away. Thus, the name SawTurd.

His attacks on Echo in general and certain Stihl models aside,

SawTroll posts a lot of useful information. If I ever met him IRL I'd buy him a beverage of his choosing.

 

[CoreyB]

Ya some saws are real different in use then what specs say. I know that what you use them for is a real difference as well. Firewood is a bit different then logging. Logging you just take the limbs off fire wood you cut the limb ever 16" until it is down to 1-2" instead of making 4-6 cuts of the stem you make 40-100

 

[BGE541]

Thats a solid point...

 

[Atechguy]

Great info Not to jack the thread, Is it worth deleting the base gasket on the Cs400?? ,, M.M. done ,Carb tune probably need a little more tweaking , if there are any links for porting on the echo cs-400 or similar model pls . do tell. Thanks for great thread and testing.

 

[mountainlake]

A CS400 is a clamshell motor, doesn't have a base gasket. Makes plenty of power with a good muff mod and tuning. Steve

 

[BGE541]

I have alot of CS400 parts if anyone needs some or wants a fun project.

 

[Atechguy]

CS-400$ parts like...ported cylinder head?

 

[CR888]

Thanks for replies fellas, l always wonder whether a six series jug/slug would work as a bolt on upgrade to make the first hybrid 550p. Honestly when l run my 550, it by no means is weak, power is good and so is throttle response. lt would be a bit more comfortable with a thicker handle bar like some of the six series have but its no biggie. l am spoiled for saws and have several 50cc/60cc saws to choose from but when l run my 550p in wood up to say 18" it does the job well. lt was sold to me with a factory fitted .325 20" b/c which suits it well. l think the saw deserves a mag clutch cover not plastic but once again, no big problem. They give you good felt walbro fuel filters and some little things that you don't get with the major two brands.

 

[BGE541]

Got the 620 put back together. After months of not messing with it its always fun trying to remember where it all goes but once she had fuel it popped right off. Sounds good and runs well... ran the 385XP a good about yesterday and its an animal but I really like the way the 620 feels.

 

[BGE541]

CS-400$ parts like...ported cylinder head?

I can grind on one for you if youd like, but without your saw the #s wont be exact, I could also throw in a modded muffler.

 

[CoreyB]

Got the 620 put back together. After months of not messing with it its always fun trying to remember where it all goes but once she had fuel it popped right off. Sounds good and runs well... ran the 385XP a good about yesterday and its an animal but I really like the way the 620 feels.View attachment 463369

What did you do to her?

 

[BGE541]

What did you do to her?

This one was the saw that got smashed by a tree... the swapped from wrap to half wrap just to try it out. While I was messing around I did a base gasket delete and it already had a muffler mod. I really like how these saws hand and feel. Gonna try to get it in some wood soon!

 

[CoreyB]

This one was the saw that got smashed by a tree... the swapped from wrap to half wrap just to try it out. While I was messing around I did a base gasket delete and it already had a muffler mod. I really like how these saws hand and feel. Gonna try to get it in some wood soon!

Awesome hope you can get a video of it.

 

[BGE541]

TTT Echo fans

 

[Atechguy]

I can grind on one for you if youd like, but without your saw the #s wont be exact, I could also throw in a modded muffler.

HI! BGE541,, What would the pros /cons be i have already done M.M. ,not sure how much squish room is on this Cs-400, for possible pop up piston , or can you remove a little off base cylinder to increase compression , and not do a pop up,, would the timing adjust it self or would a the key need a bit of a grind . Sorry throwing abit much all at once,, what is worth doing??,, the problem is i am in Ont. Canada and the U.S. /Can Currency is 3o percent difference ,factor in shipping and it may not be doable . What do do you think is best and what would it cost ,, I pretty well work on anything i own ,so am mechanically inclined . Thanks

 

[BGE541]

HI! BGE541,, What would the pros /cons be i have already done M.M. ,not sure how much squish room is on this Cs-400, for possible pop up piston , or can you remove a little off base cylinder to increase compression , and not do a pop up,, would the timing adjust it self or would a the key need a bit of a grind . Sorry throwing abit much all at once,, what is worth doing??,, the problem is i am in Ont. Canada and the U.S. /Can Currency is 3o percent difference ,factor in shipping and it may not be doable . What do do you think is best and what would it cost ,, I pretty well work on anything i own ,so am mechanically inclined . Thanks

Personally I think the CS400 is a great little saw. If you have done a good muffler mod and retune I would leave it. Advancing timing without other port work (increasing flow and timing) wouldn't get you much. The way the "clamshell" style is together doesn't leave a great way to remove material with out airgaps or stressing bearings. I wouldn't run a popup cause without bringing the cyl down you would be bringing the piston up (making a taller i.e. heavier piston) so I think the gain in compression might be counteracted by the extra rotational weight. I would keep it, maybe work on the muffler a bit more if you feel like it and tune it but if you want a fun saw grab a blown up 590/Timberwolf as they are plentiful and fun to work on.

Just my .02 on the matter. I sold a CS400 to my buddy as his first saw for little stuff and he loves that darn thing, it just keeps on going!

 

[Atechguy]

Personally I think the CS400 is a great little saw. If you have done a good muffler mod and retune I would leave it. Advancing timing without other port work (increasing flow and timing) wouldn't get you much. The way the "clamshell" style is together doesn't leave a great way to remove material with out airgaps or stressing bearings. I wouldn't run a popup cause without bringing the cyl down you would be bringing the piston up (making a taller i.e. heavier piston) so I think the gain in compression might be counteracted by the extra rotational weight. I would keep it, maybe work on the muffler a bit more if you feel like it and tune it but if you want a fun saw grab a blown up 590/Timberwolf as they are plentiful and fun to work on.

Just my .02 on the matter. I sold a CS400 to my buddy as his first saw for little stuff and he loves that darn thing, it just keeps on going!

After doing some more reading on the cs 400 and modding it , i believe its best do the MM and carb tune , like you said , i got the saw for $75.Can. Like new and was seized , i have an earlier post on it , i had running in 20min. and nothing looked scorn or damaged compression 148lbs. Really happy for my 1st chainsaw , will look for another project saw. Thanks again.

 

[mountainlake]

Personally I think the CS400 is a great little saw. If you have done a good muffler mod and retune I would leave it. Advancing timing without other port work (increasing flow and timing) wouldn't get you much. The way the "clamshell" style is together doesn't leave a great way to remove material with out airgaps or stressing bearings. I wouldn't run a popup cause without bringing the cyl down you would be bringing the piston up (making a taller i.e. heavier piston) so I think the gain in compression might be counteracted by the extra rotational weight. I would keep it, maybe work on the muffler a bit more if you feel like it and tune it but if you want a fun saw grab a blown up 590/Timberwolf as they are plentiful and fun to work on.

Just my .02 on the matter. I sold a CS400 to my buddy as his first saw for little stuff and he loves that darn thing, it just keeps on going!

Those pistons in a CS400 are a work of art, seems like they weigh about 1 oz. Steve

 

[Big Block]

Hey hey... yeah I would but some more... its just a saw right? What else you been doing to your saws?? I bet there still isn't much love for the Echos here huh? Maybe that means I need to post some more videos Id like to drop the jug on a 620 but the #s are too good to mess with! Your saw is pretty cool to me cause its come from a stock 590 to a franken-echo modified screamer lol Too bad your not at sea level you'd really have fun with it!

Ya I figured if I blow it up I'll just order a 620 jug and slug and have a real sleeper . I've been cutting firewood nothing video worthy I do have a huge piece of elm though I can't decide to test and tune with it or make it a chopping block. Decisions decisions. Glad you like my franken echo you helped thanks again.

 

[Big Block]

Bump