572 updates

[Mastermind]

last summer I consistantly saw carb temps 30-40 degrees lower than 562's on hot days.

This is huge.....

 

[andyshine77]

I really wonder if there is a break in period programmed into the firmware.

I wouldn't be surprised,we know that the 572 has a soft limp mode if it gets too hot and what not.

 

[Mastermind]

I wouldn't be surprised,we know that the 572 has a soft limp mode if it gets too hot and what not.

Again. We are living in exciting times.

 

[RIDE-RED 350r]

I'd about guarantee there is set number of hours of runtime for break in before the AT turns up the wick. Way I see it, if the AT can keep track of engine hours, starts, tracks RPM etc, it makes perfect sense to me that there would be a break in period built right into the AT system...say about three hours of operation. Running the rough math on that, it should be around 9-10 tanks of fuel depending on the circumstances. After that set mile marker in engine hours is reached, AT starts optimizing combustion mixture for emissions and as a side effect, performance increases and the thing comes to life. Goes without saying I would think the same things apply to a Stihl with M-Tronic

I know my old school carbed saws "wake up" the most once I start twisting on the screws, not so much when I feel like the ring/rings have seated.

 

[shadco]

I'm not sure why sharing my actual, honest, albeit negative initial impression of a saw I bought and paid for is so hard to digest. If I'd have posted how it's awesomeness was out of this world, nobody would have questioned that.

Snippage.

Fwiw(lol): I spent no less than a half hour today fixing the presence lever on my uber cool new 572 so it doesn't bind on the throttle trigger. The opening in the tank is made too wide and it lets the op lever float around and the trigger will hit it if not centered. After modifying the mounting post and shimming the op lever with a piece of fuel hose to limit the travel it now actually feels smooth like my 550/562. Woot! Woot!

You wouldn’t happen to have a picture or two to share would you?

.

 

[concretegrazer]

I'd about guarantee there is set number of hours of runtime for break in before the AT turns up the wick. Way I see it, if the AT can keep track of engine hours, starts, tracks RPM etc, it makes perfect sense to me that there would be a break in period built right into the AT system...say about three hours of operation. Running the rough math on that, it should be around 9-10 tanks of fuel depending on the circumstances. After that set mile marker in engine hours is reached, AT starts optimizing combustion mixture for emissions and as a side effect, performance increases and the thing comes to life. Goes without saying I would think the same things apply to a Stihl with M-Tronic

I know my old school carbed saws "wake up" the most once I start twisting on the screws, not so much when I feel like the ring/rings have seated.

I don't know. My father in-law's 261 took around 8 tanks to wake up. My screwdriver didn't care how many hours was on it.

 

[brox]

I really wonder if there is a break in period programmed into the firmware.

All the new two stroke snowmobiles have a preprogrammed break in period in the computer. I would expect the same for these new saws.

 

[ABarrick]

You wouldn’t happen to have a picture or two to share would you?

.

I took a few. If I can figure out how to get them uploaded I'd be happy to share. My phone screen only functions on the bottom half so I can't click the button in the upper right corner to select the file to upload.

 

[andyshine77]

Shouldn't matter on Tapatalk as the add file button is on the bottom left. Scroll down hit Photos, Files and add the pic. Easy peasy.[emoji106]

 

[huskyboy]

 

[ABarrick]

I don't have tapatalk. I can get the whole way through til the picture selection and that screen won't rotate when I turn my phone sideways so I can't click the "done" button that is in the upper right corner. I'll try to get the pictures on a different device and get them posted later tonight.

 

[ferris]

Pls do that

 

[Spike60]

I really wonder if there is a break in period programmed into the firmware.

Gave some thought to that yesterday. Only 2 ways come to my mind on how they'd try that. Either more fuel, or less RPM's during a break in period. From what I've seen, the R's are still there. We measure break in by tanks, cause that's what easiest for us to count. But Husky thinks in terms of hours/run time. And as you know, they track hours minutes and seconds on those AY carbs. You got any ideas?

 

[huskyboy]

I’m gonna take a guess it’s like any other saw, takes some run time to free up the new bottom end, bearings and seals. Not just the p/c like many mention. I wonder if the tolerances are tighter in the 572 vs previous saws?

 

[Mastermind]

Gave some thought to that yesterday. Only 2 ways come to my mind on how they'd try that. Either more fuel, or less RPM's during a break in period. From what I've seen, the R's are still there. We measure break in by tanks, cause that's what easiest for us to count. But Husky thinks in terms of hours/run time. And as you know, they track hours minutes and seconds on those AY carbs. You got any ideas?

I'd bet IF they did that it would be a combination of fuel and ignition timing.

 

[andyshine77]

I’m gonna take a guess it’s like any other saw, takes some run time to free up the new bottom end, bearings and seals. Not just the p/c like many mention. I wonder if the tolerances are tighter in the 572 vs previous saws?

Every brand new saw that I've ran took 10 tanks to start really waking up, so who knows. Every now and then you get a saw that's really free from the get-go.

 

[huskyboy]

They say the 572 has a “soft” rev limiter in some of the videos, pardon my stupidity... but what do they mean by that? Must be different than “rev boost”?

 

[andyshine77]

They say the 572 has a “soft” rev limiter in some of the videos, pardon my stupidity... but what do they mean by that? Must be different than “rev boost”?

From what I can gather from all the videos, it protects the saw from hot and lean conditions. Basically it prevents the saw from damaging itself. I would imagine it limits RPMs and probably dumps in a lot of fuel.

 

[old guy]

Went down to the dealer today, handled them both side by side.
Couldn't tell the weight difference, 20'' bars, Stihl was nose heavy, bar went to the floor. Husky felt just like my 372's. I came away without buying, it was hard!

 

[MontanaTed]

Went down to the dealer today, handled them both side by side.
Couldn't tell the weight difference, 20'' bars, Stihl was nose heavy, bar went to the floor. Husky felt just like my 372's. I came away without buying, it was hard!

Your self restraint is admirable.