Detailed and Complete reassembling of Stihl Chainsaw (MS390)

Тәжірибелік нұсқаулар және стиль

Reassembling of a MS 390 Stihl Chainsaw in detail, step by step.
This video might help those who are about to DISASSEMBLE their saw as well, as I'm going into depth of some "tricky" areas.
Overhauling the motor is NOT part of my video, you will find a few good ones here on youtube.
As with any machine, being through and always checking the assembled parts before continuing is essential for a smooth work flow and successful rebuild.

Пікірлер: 88

  • @garypage2994
    @garypage29944 жыл бұрын

    You are a star!!! So helpful! I had a stroke after dismantling my saw and then 2 years later tried to put it together. Could not have done it without your video!! THANX!!!!!!

  • @twosparkstroke9870
    @twosparkstroke98702 жыл бұрын

    Dude, thank you so much for your technique to extract the chain guide stude. It saved me to extract mine, when rebuilding an MS 290. I took the liberty of making a little video on the stud, using your technique. Because I only found it in your video by chance. thank you from France!

  • @Michael-rz7ic
    @Michael-rz7ic2 жыл бұрын

    Jens, Props to you man. I have owned my MS310 for about 22 years, recently ‘pulled’ the spark plug end off accidentally. By following your disassembly/assembly videos I have achieved so much, and really learned about my saw(how difficult this model is to replace ignition module/coil😏). There was plenty of detail, too:like how to use paper to set the flywheel gap from coil. Reassembly went so much better while watching the routing of spark plug wire/ground wires. And with the tear down I was able to actually clean the saw which now looks like a new saw with faded covers. Thanks again for taking the time to do the MS310 videos. Best wishes!

  • @francesbehr8082
    @francesbehr80824 жыл бұрын

    This video was very useful. Answered my questions, that the local Stihl shop wouldn't. Thank you ever so much Mr. Schnabel.

  • @ScrapPileRepair
    @ScrapPileRepair4 жыл бұрын

    Best reassembly video out there. Took my 290 apart 6 months ago. Couldn't have got it back together without your help. Thanks!!!

  • @allanbeaulieu164
    @allanbeaulieu1646 жыл бұрын

    Jens, I don't usually comment on youtube but this video really saved my bacon. I tore apart my ms310 in October with the intention of rebuilding it as a 390, then got busy for five months. Without your video it would have taken a very long time to rebuild that project. Thanks from British Columbia.

  • @stevieg.4816
    @stevieg.48163 жыл бұрын

    I know it's 2021 but I never had this issue to tackle before. Best F'n step by step video on this ever. I dismantled the saw and had to wait a few days for the engine to come and was feeling like holy crap looking at all the parts and trying to remember them. The overwhelming feeling of all the parts made me want to sweep them into the garbage and go buy a new saw.. Used you on your video in my shop to rebuild mine and got the same results you did, only maybe plus a few well chosen cuss words. Thank you.

  • @CopperPingu
    @CopperPingu8 жыл бұрын

    I took apart my MS290: had to replace the piston & rings. I used your video to put the chainsaw back together (along with pictures and notes I took). Very helpful. I really appreciate you taking the time to make this. Thanks again!

  • @jasonspickler4496
    @jasonspickler44963 жыл бұрын

    Thanks for the help , I am putting my MS 310 back together now.

  • @pickleberryyum404
    @pickleberryyum4043 жыл бұрын

    Subscribed right now. Major respect thank you soooooo much. There are so many tear down and piston replacement videos on youtube but nobody ever has the thought to just leave the camera on as they take it apart or put it back together. Your a saint!

  • @eariamjh71
    @eariamjh717 жыл бұрын

    I just finished rebuilding my MS390 and I would not have been able to complete the job without your excellent instructions. A sincere thank you for taking the time to make this video. Excellent job!!

  • @jlwilson1988
    @jlwilson19889 жыл бұрын

    why cant more people put together excellent videos like this! keep it up

  • @alexmaxwell5823
    @alexmaxwell58234 жыл бұрын

    Thank you Jens, I changed the motor in my Ms310 and it fired right up. Great video

  • @texputter7928
    @texputter79286 жыл бұрын

    Excellent step-by-step video, thanks for making it. I took my saw apart a month ago, I would have never gotten it back together without a little help! Great job!

  • @TheBadbrad9
    @TheBadbrad94 жыл бұрын

    Excellent video, very precise and clear presentation, I've an old MS 310, very similar construction, you'll be a great help to me in getting this saw fixed and back together, thank you so much!

  • @machine950
    @machine9508 жыл бұрын

    Thanks for the post it really helped me rebuild my ms290.

  • @dustindircks6647
    @dustindircks66478 жыл бұрын

    thank you for taking the time to make this wonderful step by step video.

  • @ulrikebusch3032

    @ulrikebusch3032

    7 жыл бұрын

    dustin d h.helmling@helmling-baumaschinen.de ircks

  • @chrisstokley7687
    @chrisstokley76873 жыл бұрын

    great job:nice -slow.. showed all needed . really good video .. detailed! thx

  • @elsalaplante137
    @elsalaplante13710 жыл бұрын

    Great video! I was able to reassemble my ms290 with you by my side, coaching with every step. This was my first time working on a chainsaw and your video was an absolute life safer. Thanks.

  • @redseriesinoil

    @redseriesinoil

    9 жыл бұрын

    Excellent. You're very welcome.

  • @ryananderson1517
    @ryananderson15173 жыл бұрын

    Excellent video. Thank you

  • @smittysmit-smit1177
    @smittysmit-smit11779 жыл бұрын

    Awesome, this was by far the best video. I took my computer to my work bench and followed your instructions step by step. I had the same results, works perfect! Thank you. You saved me a ton of cash!

  • @thejohner1962
    @thejohner19626 жыл бұрын

    Thanks Jens . this is a brilliant video and you are a generous man to share it. my 390 is back in one piece thanks to your excellent guidance.

  • @chriscox52282
    @chriscox522829 жыл бұрын

    Thank you very much for the time you took making and posting this.Its exactly what im looking for for reassempling a MS-290. "Grommet" is the word your looking for when referring to the rubber piece that seals the ignition coil wires. Also you're supposed to pull up on the bar while tightening it.

  • @dales1240
    @dales12409 жыл бұрын

    Well done Jens! Very informative and some good tips. Just finished my conversion of a 310 into a 390 project!

  • @century80
    @century807 жыл бұрын

    Jens, thanks so much for this very excellent and detailed video. I successfully changed the cylinder on my 290 watching it. Thanks again! Roger

  • @dalemann7486
    @dalemann74869 жыл бұрын

    Great video. Thank you for taking the time to do it. You should be a teacher. Very informative.

  • @samueljhardiman
    @samueljhardiman7 жыл бұрын

    thank you, ive looked at a few vids for working on my stihl 290 and this is the best one by far!

  • @skipproctor8979
    @skipproctor89796 жыл бұрын

    Great video. I have the 039. Build is exactly the same. I would not have been able to do it without your guidance. Thanks Jens!

  • @TheRealDRDR
    @TheRealDRDR6 жыл бұрын

    Excellent Video! Thank you for taking the time to make it!.

  • @RG-wy1ol
    @RG-wy1ol2 жыл бұрын

    Thanks a million for making this video very helpful and educational 👍🏽👍🏽

  • @trouts4444
    @trouts44445 жыл бұрын

    Your video is very well done in explaining in detail what goes where. The camera work is excellent. You take the time to setup the camera or move out of the way for the viewer to get a look at what is being done. That along with great explanations of what is being done makes a great video. Thank you. UPDATE: Back watching it again as it has so much useful information.

  • @shadetree43
    @shadetree438 жыл бұрын

    Excellent video......Great job ....very detailed and really helpful.....Thank you..

  • @pierreghabache2407
    @pierreghabache24076 жыл бұрын

    Thank you so much, it helped me a lot. The service manual is no very clear and, thanks to your video, I was able to rebuild my chainsaw. Encore merci :-).

  • @MtrePierre
    @MtrePierre8 жыл бұрын

    thanks, with your help I just rebuilt my old 039 for around 70€ of spare parts (spy, bearings, membranes, gaskets, etc)

  • @James-cs4zk
    @James-cs4zk6 жыл бұрын

    Great job - thanks for producing such a great video

  • @ambroseteas
    @ambroseteas3 жыл бұрын

    Dude ur a bad ACT big thanks. Great video!!! Well done !!

  • @indianracer111
    @indianracer1118 жыл бұрын

    Great video, thanks a lot, helped me rebuild a MS390 that had a bad piston. Everything is complete except for the circlip at 48:30 in your video. Can't get it to lock into place. Tried 7 or 8 times before the clip was lost. Won't lock into groove, tried pushing down with a screwdriver and a small socket. Went ahead and started the saw, started on the second pull and runs great.

  • @chrishapp4742
    @chrishapp47429 жыл бұрын

    Great video Jens! Nice work.

  • @ianscott1970
    @ianscott19703 жыл бұрын

    great video to reassemble to

  • @Ron-ds2ob
    @Ron-ds2ob4 жыл бұрын

    Thanks for the time to make this very informative video. One thing I would not suggest, is to start a newly rebuilt saw, and after 15 or 20 seconds, pin it wide open, just to check for oil flow from the chain. You need to let it "break in" a little first, or at least warm up. Also, the carb needs to be properly adjusted, to make sure you are not running too lean and to make sure you are not over revving it.

  • @jacobstevenson8995
    @jacobstevenson89954 жыл бұрын

    This video helped alot for my ms310

  • @wichywoo
    @wichywoo6 жыл бұрын

    thanks for taking the time to make this video, its very informative . top job ;o)

  • @robertandrews7143
    @robertandrews71437 жыл бұрын

    Hi Jens. Great video. Found that it is much easier to fit that powerful clutch spring back on, before you connect the clutch drum brake. Removes risk of a hernia!

  • @alanross3435
    @alanross34353 жыл бұрын

    Thanks so much for the video. Very well done SIR!👍🏻👍🏻✌🏻️

  • @TheCrittercam001
    @TheCrittercam0014 жыл бұрын

    Excellent work on that saw Jens.

  • @joew9392
    @joew93928 жыл бұрын

    It's easier to install the pulse hose if you hook it to the engine first then pull it through the hole in the handle with a hemostat after lubricating the end of the hose with soap or silicone.

  • @redlense4
    @redlense49 жыл бұрын

    Great vid! Thanks Jens!

  • @redseriesinoil

    @redseriesinoil

    9 жыл бұрын

    You're welcome.

  • @lagoonrd4173
    @lagoonrd41733 жыл бұрын

    Nice video... very well done 👍🏽👍🏽

  • @flatpicker1234
    @flatpicker12348 жыл бұрын

    Best video I have watched on youtube concerning chainsaws. ps... I hate my ms290. I have to much gas in the cylinder. It looks like there is spark, but it will not even fire more than one time even after sitting all night to dry out. Great video though.

  • @johnclarke6647
    @johnclarke66475 жыл бұрын

    I think Stihl uses Locktite green on that rear bolt. I tried everything to remove that rear bolt but ended up welding the nut to the bar stud and then turned it out. I am sure the heat from the welding helped, but I got it out and replaced the bar stud and the nut. When I put it back in I put oil on it, so I could get it out in the future. If it ever loosens up I tighten it back. It will not come out, so I wonder why Stihl puts such a strong sealant on it. It may loosen over time but a pair of vise grips will easily retighten it. I spent several hours trying to get it out before I welded a bar nut on the end of it. Bar studs and bar nuts are cheap, compared to elbow grease and skinned knuckles.

  • @johnbvanveen
    @johnbvanveen8 жыл бұрын

    Thank you! Sincerely JBV

  • @eduardkinast2887
    @eduardkinast28876 жыл бұрын

    Danke Jens!

  • @andrewrolfe4263
    @andrewrolfe426310 жыл бұрын

    Great video. Demystifies the "clam shell" rebuild. MS390/039 are great saws that the "Pro" crowd gives little credit. In the last steps I noticed that you could benefit from a muffler modification. A few extra holes in the muffler body and open the deflector will let it breath. This simple procedure in conjunction of retuning the carb will really wake up performance.

  • @redseriesinoil

    @redseriesinoil

    10 жыл бұрын

    Andrew, thanks very much for your feedback. Haha! Never crossed my mind - "putting a turbo on the machine". And yes, it is a really good saw, even with it's unmodified muffler.

  • @ericksonhooker6548

    @ericksonhooker6548

    9 жыл бұрын

    +Jens Schnabel I have an MS390 that leaks oil like a banshee and has been abused.I will buy a new engine housing from Germany and follow your video in my new shop. I like to re-engineer abandoned machines. Call it a Don Quixote complex. Wish you could join me for a nice German meal here in Oregon when it gets cold. Consider it a formal invite. My father is Swiss German and we have a lot of wood to cut.Thanks-- Erickson

  • @mikeparadise1114
    @mikeparadise11149 жыл бұрын

    Fantastic I've always been a handyman and I finally decided to fix my O29 stihl after it was sitting for over 6-years I cleaned out the gas tank and bought a new carb, filters and hoses and looked up your site on u-tube and you were very detailed that I had no problem rebuliding it, except for one issue I don't think I tighten the flywheel tight enough, and when I started it the flywheel snapped the bulit in dog I am not sure if I should spend the money on a new one, becouse I am not sure if it is something more serious, does anyone have a comment on this issue

  • @saeedalali9551
    @saeedalali9551 Жыл бұрын

    Thanks you so much

  • @axed1929
    @axed19292 жыл бұрын

    Great video. I have the same saw & im installing a new carb. Is there a base setting I can set the idle screws to pls?? Thank you

  • @timidater4803
    @timidater48035 жыл бұрын

    Great video!! would you recomend locktite on the bar stud when reinstalling?? also why did you replace your housing??? Thanks!!

  • @charlieheisig6928
    @charlieheisig69287 жыл бұрын

    Thank you for the tip to remove the guard bolt that goes into the block housing. I originally tried jamming the two nuts together, but this stripped the bolt as you warned others- I should have watched your video first. I have owned a couple Stihl saws and have had no problem starting. But the last two have ended up scoring the piston, do you think it is the ethonal mixture or do I need to add more oil to the gas mixture,- any ideas?

  • @damonjohns9918
    @damonjohns99183 жыл бұрын

    Thanks

  • @drajo123
    @drajo1233 жыл бұрын

    i had isues puling a part stihl 029, that stud is 2 part stud on that model

  • @user-ih7fo5md5n
    @user-ih7fo5md5n Жыл бұрын

    👍

  • @MrPadraigmccarthy
    @MrPadraigmccarthy8 жыл бұрын

    I noticed your MS390 has no compression switch for easier starting. thats unusual, what year is this saw..? Good Video.

  • @bigdolmar
    @bigdolmar7 жыл бұрын

    Ive on only worked on huskys, but in my experience if you dont use the clips to retain the wires properly they can get sucked into the flywheel and destroyed

  • @johnkosheluk1041
    @johnkosheluk10417 жыл бұрын

    nice job but no lock tight on the screws

  • @rihardsnolaukiem
    @rihardsnolaukiem9 жыл бұрын

    How do you put that ground wire below the intake? It kinda gets squeezed between carburetor and that intake ring. I imagine that this could create tiny air gap.

  • @redseriesinoil

    @redseriesinoil

    9 жыл бұрын

    Start at about 10:50 minutes into the video and you'll see that both wires, the short circuit and ground are going through a small rubber seal or rubber ring. Both these wires need to go through that ring. At 11:15 I briefly grab onto those cables (hanging off to the right top of the machine). Then I put the back cover on and here it is important to make sure those wires are in front of that cover as I say the cover needs to go behind these wires. At 12:15 you can see how they come out of that small opening to the lower left. At 13:20 you can see that there are 2 holes in the handle housing, the intake-boot hole and one below it. I refer to it as "little seal" that's the rubber ring holding both cables, short circuit and ground, which needs to go in that smaller hole. At 14:30 I pull the cables into place and pop the rubber ring into that hole. From there you simply keep those wires below the carburetor and feed them to the left, they should not interfere with any of the carburetor assembly. At 27:55 I attach those cables, ground and short circuit. You can see that I didn't pay attention and looped the wire behind the left carburetor bolt, so I have to loop it back around 28:30, I could have also detached the connector and readjusted it that way, of course. And that's pretty much it. I hope it helped to solve your problem.

  • @rihardsnolaukiem

    @rihardsnolaukiem

    9 жыл бұрын

    Jens Schnabel Thank`s mate for so detailed response! I just kept looking at this orange housing and realised that there is a kind of groove just below intake where you can push in this yellow-green wire. Just couldn`t imagine that this wire needs to be twisted so severly. The second thing where I was strugling was this bloody handbrake spring. After 20 minutes of intensive sweating with no success I took off that clutch drum and it allowed the brake band to shrink more and I finally managed to put the bloody spring on! This was my first time when I took my chainsaw apart and succesfully assembled it back together. And your video helped alot!

  • @trouts4444

    @trouts4444

    5 жыл бұрын

    @@redseriesinoil I had problems in this are so your video and comments are very helpful. Thank you.

  • @georgeiceman867
    @georgeiceman8673 жыл бұрын

    Hi. The new housing is an OEM one or chinese one. Thank you.

  • @brianscottdubois7515
    @brianscottdubois75158 жыл бұрын

    Greetings! It appears you did not grease the needle bearing assembly that goes inside the sprocket bore and rides on the right (as viewed from the operator's position) end of the crankshaft. Stihl has a sprocket grease in a small plastic tube.

  • @kevinurubek7095
    @kevinurubek70957 жыл бұрын

    Good video I used the video to put my ms 290 back together bought a short block same problem any ideas burning piston on exhaust side ran for about 10 minutes . 50:1 fuel mixture .Dont see anywhere to attach picture pm me I will send picture chain saw got real hot .

  • @feez357

    @feez357

    7 жыл бұрын

    Too lean. Either you have an air leak or you didn't adjust your carb correctly. The air leak can be impulse line, carb boot or crank seals. Since it's only 10 minutes that means it was very lean. You should hear that. Look for other tuning videos.

  • @larryreno8293
    @larryreno82933 жыл бұрын

    Wow! That poor clutch just got fried to a crisp.

  • @knightlife98
    @knightlife986 жыл бұрын

    The one thing I needed to see and it wasn't touched...lol. Oh well, I liked the video, otherwise!

  • @booger37391
    @booger373917 жыл бұрын

    awesome video/ I copied as built mine!. last steps didn't show :>( ....I wanted see close -up of the brake end caps/and handle bar covers.. u left on table .. lol. if only gets a cap on the brake bushing,i think its a poor design .

  • @jakobschjerningandersen4754
    @jakobschjerningandersen47549 жыл бұрын

    can you do a 028 WB ;)

  • @redseriesinoil

    @redseriesinoil

    8 жыл бұрын

    +Jakob Schjerning Andersen Send one over :)

  • @matthewmilam286
    @matthewmilam2866 жыл бұрын

    Yep I got to the intake boot part just Brand new MS290 engine Bought everything new Then couldn’t get that damn clamp on after a hour I took a sledgehammer to This damn thing Threw it out the shop Then Ran it over with my forklift and I’m on my way to Lowe’s get a DeWalt 40V Electric saw Piss on these small Hard to get into spaces not gonna have this problem again

  • @DanDaBug
    @DanDaBug3 жыл бұрын

    14:30 it's difficult to focus on the chainsaw with THOSE HUGE GUNS in the way!

  • @kussifury
    @kussifury8 жыл бұрын

    and it is not good to work at higher revs and the brake is on a high friction and heats and smoking at you now

  • @outboardfixer
    @outboardfixer3 жыл бұрын

    Just look at what these people have done to these chainsaws. Try dismantling a homelite xl-12 or ANY vintage saw. Either they love paying a room full of engineers to just see how bad they can F..... up a saw or the idea is to STOP or DISCOURAGE their loyal customers from working on their own saws that they paid an arm and a leg for.

  • @usaisalwaysnumber1
    @usaisalwaysnumber17 жыл бұрын

    first IDIOT I ever seen crank a saw with the bar scabbard on it..LMAO

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