wyk
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Everything posted by wyk
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I can't complain, Bud. Things are going smoothly...mostly. Good to see you're doing well, too!
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Well, the choices in the 40cc market are sparse at the moment. The husky 543 is a rebadged Zenoah. So I would get the zenoah for 150 bills less if I had the option. The 545 is still a 50cc in weight and size. The 261 is well into 50cc territory(but it has gobs of power with just a few small mods). The Shindaiwa 40cc is a good little saw, but parts are a pain. Still, I would have chosen that over the 241 had I the option. The 241 fell in my lap, so to speak. So, basically, if ya want a solid build that will last and has good grunt, the 241 is it. I am going to port it next week. Well see how she goes. It's my personal saw, so the porting will probably be a bit aggressive. With a muff mod, she revs out like a 40cc is supposed to. They are a bit tame on the throttle for a 40cc saw by my tastes.
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Here's it with the timing retarded: https://www.youtube.com/watch?v=K-uMkEhRNAE And here's a pic of my lil ole 241:
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I dunno about autotunes, but the MTronic will reset if you let it idle on start for more than 60 seconds and then switch it off without touching the throttle.
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Neal(a bud of mine over at AS that sends me the weight images), told me that 575 had a bit of starter damage, if I recall. Thus the note
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BTW, I was thinking aloud because the muffler mod on an MS261 is the single biggest difference you can make with one(assuming you are willing to remove the baffle for it). I am curious to see how it affects the 201.
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Ahh yeah
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Obliged. Why am I not surprised. I'll pass that on to the owner. I got to say this new fangled MTronic business really knows how to run a saw. You don't get anywhere near the gains I did when you put that work in to a standard non MT saw. Unfortunately, it makes it a lot less fun to tear into them and mod them. It's all fiddly now. But I guess at least ya don't have to play with the timing.
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Do they make high discharge clutch covers for these things? This thing is crazy, and I would consider it mildly ported. Granted, I took a lot of advice from some good builders, but it's amazing what this thing can do with just a bit of a tickle. I think removing the baffle it the key. Unfortunately, it is also the key to noise.
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From the album: Stuff
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From the album: Stuff
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From the album: Stuff
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From the album: Stuff
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From the album: Stuff
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Wonder how it will do with an exhaust mod...
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Factor chain is set up to be as smooth and efficient for as many variables as possible. A chain set up for one job may not do another terribly well. Here is my 044 set up with a chain that I use for conifers and Rhododendron. Low rakers and less acute angle so it lasts longer cutting dirty wood. It becomes grabby in Beech: https://www.youtube.com/watch?v=K-uMkEhRNAE
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Looks good, tho...
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Exactly. And someone in forestry is going to lean towards 325 because that's what they have handy. When I use the 241, it will be for extended sessions for clearing rhodie etc, so a longer lasting chain makes a difference as well. Picco bars also just do not last long at all in a forestry setting before needing dressing or replacement.
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The more open a chainsaw's exhaust is, the easier it will be to start(assuming ignition timing and compression are reasonable). It also makes it easier to clear when it does get flooded. If I make the mistake of flooding one of my ported saws, I can usually get it to pop by simply moving it to the high idle and pulling on it a few times.
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The 261 with MTronic is in a completely different league from the standard model.
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242 has much better throttle response with a muffler mod. However, it has nowhere near the torque the 241 does. It is just a much better limber. With a good MM, the 241 comes in to it's own. It's just the price that scares me.
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I'll just leave this here: These puppies begin life loud. You do a mod like I just did, and it becomes easily the loudest 50cc saw I have ever used. And it also becomes, by far, the most powerful 50cc saw I have ever used with a simple muffler mod. In fact, it's like a 35% improvement in cut time in that wood(and the last few inches are with the bar buried). It is more powerful than the Echo CS520 I ported a few years back. I sort of want a 261 now...
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I have never seen a test on ported saws. However, the more power, the more speed, the longer the bar, the better it's chances are at getting ya. All those fibres have to wrap around the sprocket to stop a saw. If it is fast enough to cut some of them, and long enough to buy itself some time as the trapped fibres find their way towards the sprocket while it is cutting fibres... well... I have seen what an 88cc ported saw can do to chainsaw boots. It treats them like they are made of leather. That saw is just too hot for a work saw. She's in parts on my work bench as we speak. Bringing the timing back under control and checking a few things out.
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It's absolutely nuts. I am currently in the process of detuning it a bit. She has way high compression and ignition advance. She is running 11,500 to 12,000rpm in the wood there, and acting like she can pull an 8 pin rim in it. So she's a tad hot for a work saw.
