Echo CS-400 runs hot and smokes ?

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roscoe7803

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I just bought a cs400 chainsaw for $50. I cleaned it up and it runs but it runs hot and smokes. The exhaust muffler looks like it has been scorched / burnt.
Looking for any help i can.
The serial # is 10013003449 and says Kioritz Corp.
What year was this built?
I am trying to find a new exhaust muffler.
Some posts mention carbon build up. I will take the exhaust muffler off this weekend and see.

I would like to locater a service manual if it is available.

Thank you
Roscoe
 
I just bought a cs400 chainsaw for $50. I cleaned it up and it runs but it runs hot and smokes. The exhaust muffler looks like it has been scorched / burnt.
Looking for any help i can.
The serial # is 10013003449 and says Kioritz Corp.
What year was this built?
I am trying to find a new exhaust muffler.
Some posts mention carbon build up. I will take the exhaust muffler off this weekend and see.

I would like to locater a service manual if it is available.

Thank you
Roscoe
Check your inbox. M.Acres site says the 400 was introduced in 2019.
 
Check your inbox. M.Acres site says the 400 was introduced in 2019.
Remove the catalytic converter from the muffler (it's not easy), remove the carb limiters and get correct carb adjustment. You'll see a thirty percent increase in cutting times and see a HUGE drop in muffler and cylinder operating temperature. I was stunned by the improvement when I did that.
 

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