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My operator's manual suggests WOT between 10,500 and 11,500. (It's an Echo 3450) I just recently opened up the muffler a little bit, not much, but I haven't touched the carb yet. The manual says if it's running above 11,500 to enrich the mixture.... I just tached it, and it's at 10,400...

Good idea. I'm gonna need a little help adjusting the carb. I've read a lot on here about doing it...... I made a thread about 4 stroking..

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Ok, sorry bout that. I'll fix it now. Hmm...

Ok, sorry bout that. I'll fix it now.

That internal block is called a "silencer" according to the Echo parts diagram. I wonder what would happen if I just ditched that piece.. Too much flow, perhaps? Not enough backpressure?

Specs: I have a Echo CS 3450. I know, nothing fancy like you pros have. It does okay, for the 1-2 times a year I use it. (Oh, and major thanks to all who replied to my thread yesterday... I removed the clutch, adjusted the oiler - surprised it had an adjustment - and now she oils like she...

I've read a lot on the muffler mod threads and tuning threads.... I see a lot of mention about a chainsaw "4 stroking". Can someone explain why that is ideal or not, and how can you tell when the saw starts doing it? I'm assuming there's a sound you listen for.....

Where do you get piston stops, and how are they inserted in the cylinder?

Thanks again, guys. I have the clutch removed, and the oiler is in my hands. Now, I need to figure the oiler out. It seems there is a bolt at the top of the gear that holds a compressed spring down. Is this an adjustment, I wonder?

Boy, you guys are fast. Thanks! Gonna try the "soft" piston stop now....

Hello all. I have an Echo CS3450. Lately, the oil has not been emptying nearly as fast as the fuel. As a result, I've had a time with chain stretching and bar wear. I want to remove the oiler and check to see if there are any blockages, dirt, etc.. Problem is, I have no idea how to...