How to Reset STIHL M-Tronic | STIHL M-Tronic Engine Management System | STIHL Maintenance | STIHL GB
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- เผยแพร่เมื่อ 3 ต.ค. 2021
- STIHL M-Tronic Engine Management System is designed to make sure that your petrol tool delivers an optimum performance, all day, every day, by making automatic adjustments to regulate the fuel and air mix to the machine.
There are a couple of instances where you may need to reset the STIHL M-Tronic technology on your machine. If you carry out any work on the fuel system, such as changing a solenoid valve, replacing or cleaning a carburettor or even just replacing an old fuel filter, you will need to do an M-Tronic reset. If you find that the chainsaw isn’t running as expected (for example, not revving to its full potential), it is always worth resetting your machine as this may offer a quick and simple resolution.
There are two methods to reset a petrol machine with STIHL M-Tronic as there have been a number of new and improved versions of M-Tronic launched over the years.
Method 1 is for petrol machines with STIHL M-Tronic technology 2.0 or lower, and Method 2 for Machines with M-Tronic 2.1 or higher. It’s easy to tell which version you have by looking at the C-E label. Machines with M-Tronic 2.1 or higher are shown on the label highlighted here. If it’s not marked on the C-E label as M2.1 or M3.0, then it is likely you have an older version of M-Tronic technology.
When using a STIHL chainsaw, even just for an M-Tronic reset, you should always wear the correct Personal Protective Equipment.
🔶 STIHL PPE: www.stihl.co.uk/STIHL-Product...
🔶 Method 1 for STIHL M-Tronic re-set: 🔶
1. Remove the scabbard
2. Put the machine in the ▲ Cold start position
3. Start the machine and run it in the ▲ Cold start position for at least 90 seconds
4. Do not touch the throttle or accelerate the chainsaw during this time
5. After 90 seconds, switch off the machine
6. Your machine is now re-calibrated and ready for operation
🔶 Method for resetting STIHL M-Tronic 2.1 or higher: 🔶
1. Remove the scabbard
2. Ensure the chain brake is on
3. Put the machine in the ▲ Cold start position
4. Start the machine and run it in the ▲ Cold start position for at least 30 seconds but no more than 60 seconds
5. Do not touch the throttle or accelerate the chainsaw during this time
6. Turn off the chain brake
7. Squeeze the throttle fully for at least 30 seconds
8. Engine speed varies noticeably during calibration
9. As soon as the engine speed drops noticeably, release the throttle
10. When the engine is back to idle speed, put the chain brake on and switch off your chainsaw
11. Your chainsaw is now calibrated and ready for operation
Always double check your Instruction Manual to make sure you are following the right reset procedure - you can find copies of STIHL Instruction Manuals at stihl.co.uk.
🔶 STIHL PPE
www.stihl.co.uk/STIHL-Product...
To find out more about STIHL M-Tronic, visit stihl.co.uk, or your nearest STIHL approved dealer using the links below.
shop.stihl.co.uk/pages/dealer....
🔶 STIHL Website: www.stihl.co.uk/
🔶 STIHL M-Tronic Technology: www.stihl.co.uk/stihl-m-troni...
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🔶 STIHL Blog: blog.stihl.co.uk/
#STIHL #STIHLGB #STIHLMTronic #STIHLMTronicReset #HowToResetSTIHLMtronic #MTronicReset #STIHLMaintenance #STIHLMTronicEngineManagementSystem #MTronicEngineManagementSystem #STIHLCarburettors #STIHLSolenoidValve - แนวปฏิบัติและการใช้ชีวิต
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Did this after I put a bark box on my 661-C and she’s claaaaaping! When the saws running the entire city knows what time it is
Thank you. Very clear and much clearer than the manual.
Very helpful thanks, my saw runs like new again.
Brilliant bit of info
Thanks, I hope.
Buen video 👌
Does this apply to the Stihl FS410 Clearing saw/Brush cutter. Mine is of 2014 vintage and it won't rev up at all. It doesn't have a spark arrestor so I presume it's a carb problem.
Hi, thanks for your comment. M-Tronic was introduced to the FS 410 in 2016 so won’t feature on your 2014 machine. This could be a carb related issue, or may also be due to the condition of the filters or fuel. We recommended taking your machine to a STIHL approved dealer who will be able to advise on the cause and offer a repair. Thanks, STIHL GB
I’m just wondering if I would have to reset my sthil ms 261 cm when I switch from winter to summer mode ? And if I am putting a 20” bar on the chainsaw?
Hi, thanks for your comment. You shouldn't need to perform a reset in those circumstances. You should generally do it just when changing a component within the machine, but if you feel that the machine isn't performing as intended, you can try a reset then as well. Thanks, STIHL GB
Thanks for your help on this matter 👍😁
Hello. Is the decompressor pressed before starting?For ms 462 c-m.
Hi, thanks for your comment. If you have a decompressor, that can be pressed before starting. Thanks, STIHL GB
@@STIHLGB Thank you!
Hi, I Like your proper explanation how to reset a mtronic, but my chainsaw doesn't run at idle because I need to reset. But how can I reset the chainsaw if it doesn't idle, it only runs while you open the throttle.(half to full)
I think it has run on low fuel. So the mtronic has prevented an air leak, by raising the mixture level?
Please help.
What to do now???
Greetings Eelco Zijlstra from the Netherlands.
Hi, thank you for your comment. We do have this M-Tronic blog that may be of use to you: blog.stihl.co.uk/perform-m-tronic-reset/
Our technical team have advised visiting your local STIHL Approved Dealer in the Netherlands who can inspect the machine and check that there isn't an underlying issue. It is difficult for us to diagnose an issue online. You can find your local STIHL Approved Dealer here: www.stihl.nl/nl/dealers
Thanks, STIHL GB.
I have a MS441C-M and wonder when I do this reset, per the correct revision, how often does this need to be done? Does it matter if I use the saw and then don’t use it for a month or two? Is there any reason to do a reset special as for if changing a muffler or air filter type? Thank you.
Hi, thanks for your comment. You only need to do an M-Tronic reset if you change a component such as carb or solenoid. Alternatively, if you have a running issue, it’s also worth trying an M-Tronic reset to see if that will fix it. Thanks, STIHL GB
@@STIHLGB thanks
I have a question, do I have to reset it every time I use it or only the first time I use it? thanks
Hi, thanks for your comment. No, you don't have to reset it every time but there are a couple of instances where you may need to reset it. Firstly, if you carry out any work on the fuel supply system, such as changing a solenoid valve, replacing or cleaning a carburettor or even just replacing an old fuel filter, you will need to do an M-Tronic reset. Secondly, if you find that the saw isn’t running as expected (for example, not revving to its full potential), it is always worth resetting your machine as this may offer a quick and simple resolution. I hope that helps, thanks, STIHL GB
У меня ms 241c 2021 года
I’m wanting to do this to my 661 but I’m worried I’ll blow it up on the full throttle with no load is it true Mtronic will adjust in 4 or 5 cuts or no
Hi, thanks for your comment. The correct procedure for a reset of M-Tronic is to use the ones shown in the video rather than 4-5 cookies cut on a log. I hope that helps, thanks, STIHL GB
@@AM-qu4og apologies, yes you are correct, the MS 661 changed to M-Tronic 3.0 in spring 2020. Thanks, STIHL GB
Do you have to shut it off after the 30seconds of full rev? Or Can you just run it after that period
Hi, thank you for your comment. Yes, once the engine is calibrated it is ready for operation. During the 30 seconds you are holding the throttle trigger down you will notice that the engine speed varies noticeably while it is calibrating.
As soon as the engine speed drops noticeably, let go of the throttle trigger and the engine should run at idling speed. Your saw is calibrated and ready for use. We hope that helps, STIHL GB
What should one do if the control module and solenoid have been replaced ? which control modules go with which reset methods ? Thank you
Hi, thanks for your comment. The control module should have been replaced with the same module version as before. This means the reset procedure will not have changed. Thanks, STIHL GB
@@STIHLGB the original solenoid was black, and it wouldn't run with a white solenoid, and the original control module. The module was switched to a 1140 400 4705 B. original module was 4705A. It seems to be a common issue that the original modules for black solenoids will not operate a white solenoid. Where can one find such information ? (what modules work with which solenoids, and what procedure is used for which module ? ) Many thanks for responding. It is early morning, and I haven't reached my peak level of articulate communication, Sorry if I am unclear, please feel free to ask questions. Also, I only use OEM Stihl parts for everything.
@@thomasgronek6469 Hi Thomas, the original black solenoid valves had polymer valve seats. These have been replaced with a green valve (0000 120 5111) which is more dust resistant due to having a metal valve seat. White valves are included on the latest M-Tronic machines; however these cannot be used to replace a black or green valve due to a difference in specification.
We don’t recommend changing control modules, so the reset process depends on the M-Tronic version (2.0, 2.1, 3.0) displayed on your chainsaw. STIHL Approved dealers have full access to parts and compatibility information, so if your saw is still having running issues we recommend taking it to a dealer for inspection. Thanks, STIHL GB
@@STIHLGB Thanks, but that doesn't help when I'm in the middle of nowhere, and there are no dealers. I have had trouble with the information Stihl provides about the electronics, and as time passes, many of these saws will become obsolete as a result. The used saws will be worthless without this info, as one never knows whether the version on the label (which no longer exists), is a true reflection of what control module is in the machine, or what solenoid is in the machine. To the best of my knowledge, the green solenoid is no longer used in the United States due to failure, and that left the only option I had, which was to change to the white solenoid, and a compatible module. The next step will be a change-over to standard carb and coil, or I WILL switch to Husqvarna or Echo equipment. Sad to say, most of the Stihl owners I know have already done that. Unless Stihl makes the information available, the company will lose a lot of loyal customers.
@@thomasgronek6469 Hi Thomas, all spare parts are available for all M-Tronic machines, preventing them becoming obsolete. We recommend sharing the serial number of your machine with STIHL US or your preferred STIHL dealer who can advise on availability and may be able to supply the correct parts for your machine by post. Thanks, STIHL GB
I have a 241cm and was trying to recalibrate its computer. The rear handle says ICES-2/NBK-2. What version do I have? It would seem to be V. 2.0. Is that correct? Will Stihl update it for free?
Hi, thanks for your comment. You need to look on the label of the front handle where it will say the version of M-Tronic which is on the machine, just like in the video (at around 1.02 minutes). The MS 241 C-M you have is very likely to be version 2.0. We don’t offer updates to M-Tronic systems on our chainsaws and the current MS 241 is still working with version 2.0. Thanks, STIHL GB
@@STIHLGB mine is working fine after I cleaned the spark arrester. Why doesn’t Stihl provide firmware updates, like Husqvarna? I treat all my saws the same, generally and none of my other saws had completely blocked spark arrestors. They all are fed the same fuel, too. Iran Stihl Ultra at 50:1 with PNE gas. In all-of my equipment until January 2021, at which time I switched to Echo Red Armor at 50:1 with the same gas. Ultra is a filthy running oil. I never had a failure with it but it leaves a lot of ash unless you run the saw wide open all the time. I could not believe that Stihl does not produce a JASO FD certified oil, instead of an FB certified oil, which is an early 2000’s certification. FD is a so much better oil than FB, better lubrication and much cleaner burning.
Hi @@johnclarke6647 STIHL HP Super is a JASO-FD certified engine oil, however it doesn’t look like this is available in the US unfortunately. We also don’t have spark arrestors fitted in GB - as the temperature is significantly cooler it’s not a requirement for us. As you can see this doesn’t put us in a great position to give you reliable advice on this topic, however STIHL US or your nearest STIHL dealer will be glad to help.
Rather than firmware updates, it may be possible to upgrade the solenoid valve of your MS 241 C-M to a harder wearing version but this would need to be confirmed with your nearest STIHL dealer. Thanks, STIHL GB
@@STIHLGB I know about as much as my local dealer. They do not even support -Mtronic because the test equipment costs to much money. Most of my Stihl saws do not have spark aresstors, either. They have dual port mufflers on them. I do have several that do have them and I burned them clean last week. I am of Prussian descent. They were from Richenbach, Liegnitz, Silesia, Prussia, southeast of Berlin and now part of Poland. Eich bein ein Richter, if I said it and spelled it right. I am a Richter. My family immigrated to the US in early 1800’s, via Bergen, Norway and St Croix, USVI. They were merchants, judges in Prussia.
Hello, for 3.0 M-tronic does the saw needs to be warm or cold before calibration?
Hi, thanks for your comment. It can be either. If you have changed the components, then the saw will often be cold, which is absolutely fine. Thanks, STIHL GB
@@STIHLGB so it's ok to start a warm /hot saw in a triangle position?
@@gravityloose yes, it is. Thanks, STIHL GB
Same for brushcutter?
Hi, thanks for your comment. Yes, that is correct - the process is the same for brushcutters. The correct procedure can be found in the Instruction manuals for each machine here: www.stihl.co.uk/owners-manuals-safety-brochures.aspx
Thanks, STIHL GB
The dealership I bought my saw from said it was not m-tronic; the price tag said "MS-661C-M" but the power head
just says "MS-661C". How do I know if it has m-tronic?
Hi Mark, thanks for your comment. The power head for the MS 661 do all just have the C on them, but we have only ever sold the M-Tronic version of the MS 661 here in Great Britain so yours will definitely be M-Tronic if you bought it in Great Britain. Thanks, STIHL GB
It won't have carb adjustment holes on the back cover either thata a tell tale sign
Has the STIHL M-Tronic Engine Management System been discontinued ?
Hi, thanks for your comment. No, it hasn't been discontinued - we are definitely still selling M-Tronic machines here in GB. Thanks, STIHL GB
@@STIHLGB Thank you.
Как заглушить если нельзя газовать. ?Рычаг не переходит в положение stop пока не нажмёшь на рычаг газа
Hello, this is the TH-cam channel for STIHL Great Britain. You can find contact details for all the STIHL subsidiaries and distributors around the world here: www.stihl.com/default.aspx
Thanks very much, STIHL GB
@@STIHLGB I from London
@@STIHLGB как перевести рычаг управления заводкой в положение стоп не гащуя на 241см?
@@qazmlp555 I'm afraid we're not sure what you mean. If you are having issues with the tool that you can't resolve by resetting M-Tronic, we recommend taking it to a STIHL Approved Dealer who will be able to look at it for you. Thanks, STIHL GB
Здравствуйте а у меня ничего не написано
question for stihl-gb , why cant the people at rocky mountain stihl set me up as a dealer??/ they said it takes 10-20k investment . i told them i was thinking 40-60k , wont even call me back. when someone wants to spend that kind of money is that how corporate treats them????? if it is Ill sell my 4 stihl saws and buy huskys
Hi, thanks for your comment, but we're really not able to comment on you being set up as a dealer. This is the STIHL Great Britain TH-cam channel and so we are responsible for sales of STIHL in Great Britain. We don't have any involvement in the set up of new dealers anywhere else other than Great Britain I'm afraid. If you have any questions about becoming a STIHL dealer in the US, please could you contact STIHL USA? You can contact them here: support.stihl.com/en-us/write-email/
Thanks, STIHL GB