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Wow, lots of hard work there. The cat in a CS-450 muffler is partially offset. You are going to hate this answer, but you can literally drill it out if you are patient. Get yourself a 1/2" drill bit and literally grind the cat out of there. Make sure you do a good job of blowing out the...

I know this is an old thread, but in case anyone revisits this article, I would like to say that if you have a MT-4400, you owe it to yourself to remove the muffler and take a look inside. They must have a wire shooting machine that packs that muffler so tight with catalyst material, that you...

Someone is not comparing apples with apples. The CS-501P is a the pro 50 cc saw in the Echo lineup. But other than the aluminum handle, different piston and cylinder combined with improved porting, all those improvements are hard to justify the price over the much cheaper priced CS-490. Once...

Looks like you have received quite allot of feedback already. I have many, many saws. I have at least two older 025 and one MS-250 chainsaws. They are not my favorites by any stroke of the imagination. Simply put, they are class C Homeowner saws. They get the job done, for small firewood...

Perhaps you have mistakenly confused my reply content with that of another responder, but I never said that I re-jetted the carb. I merely re-adjusted the 152 to a richer flow to accommodate the reduction in back pressure. Because I have never personally worked on an MT5200, if they have...

I ran several Efco 152 chainsaws that were "basically" the same as the MT5200. I had no trouble running narrow kerf. Also, other than being well built like a tank, they were great saws. The only problem I saw on that model were the ignition switches failing, but that was no big deal to...

I am truly sorry to hear about what is going on with your property and especially with the loss of your dog. Dealing with these problems legally is very frustrating, time consuming, expensive, and difficult. A truly evil man (who I will not honor by saying his name) once stated that the only...

Regarding tuning, I realize that you are using a replacement carburetor, but it should tune pretty much the same. The low speed jet is your transition jet. It helps you get from idle, up into your working range. As you enrich the low speed jet, the lower your engine idle will go, so you may...

Unfortunately, there are limits to what can be accomplished through on line advice, but the rpm variation at high speed sounds like one of two things. One is that there could be a vacuum leak. With such a new saw, I wouldn't think the problem to be crank seals, but have you noticed if the...

Here is what I would suggest. Please remove the spark plug, drop the piston to the bottom of the cylinder and shine a light in through the spark plug hole. This will only allow you to view the exhaust side of the cylinder. Could you please tell me if you see any vertical dark lines? If you...

Can I assume that you have a carb adjustment tool or modified the jet screws to use a flat blade screw driver? If you rebuilt your carb, you probably are savvy enough to know how to re-tune the carburetor, but I needed to ask. My first thought is the saw is still running lean, gets hot, boils...

Thank you for the kindness of your reply

I realize that this is an extremely old post, but did you ever get your Echo CS-530 chainsaw? I happen to know where one is hiding and in incredible condition. I agree that they are phenomenal chainsaws.

We all like owning multiple saws. Yes, it is a sign of power, virility, social status, and complete total mental instability.

You can trust that the CS-400 is a great, long lasting, powerful saw, even though it doesn't have a magnesium crankcase. I could be wrong, but I do not believe that the CS-4510 has a mag case. The cS-450P did. As for value, you can't beat the CS-490. Absolutely the most bang for the buck...

Whats a bloke? Whats a metric? Put another shrimp on the bar-bee mate!

I am fairly sure you already have the newer lighter version of the MS-261 and yours is weighing in right around where it is now fairly represented by the company. Some of the older MS-261 chainsaws were significantly heavier than their advertised weight. Don't hold me to this, but I seem to...

Hi Dan, Because you have obviously been using your two Husqvarna 435 chainsaw at work, I will assume that both have achieved a minimum break in period and the piston ring has seated on both saws. I have found that when these saws get really hot, especially in the summer time, if they were set...

Gentlemen, I have a brand new Efco CS-152 powerhead. I removed the top shroud and removed the limiters from the carburetor,,but so far they are in their original position of adjustment. I have never worked on one of these saws before, but I removed the two nuts and protective impact shield...