Stihl ms 390 wont start. I look forward to checking squish and throwing a wheel May 14, 2017 · Just a general question really about stihl battery strimmers and possibly other stuff. I know that the 038 Super is 66cc's vs 61 cc's for the 034Super, yet I can't nail down anything solid on the weight difference. I tried two new spark plugs but no difference. Check the fuel filter for debris or clogs and clean or Troubleshooting and repair tips. I have been given a Oct 11, 2016 · I've come across a pretty crazy, (if not shadydeal) on both a 034 Super & 038 Super. (That person fixes chainsaws). 1st pull reveals a desperate need for a decomp. This is when I try to pull fast to start the saw; you can pull the recoil slowly through each compression stage. Using wrong bearings in the wrong place. If I take the bar off and run the saw I can see oil comming out, but if I put the bar on the oiler just deposits oil to the interior of the saw Jan 30, 2006 · Quadra-Fire 2700i Stihl MS250, Husky 562XP, Husky 395XP Homelite 5 ton electric splitter, Ariens 22 ton log splitter Fiskars X27 Dec 30, 2021 · My MS290 had develop a condition where at times it is impossible to pull the recoil; as if the saw is locked up. I recently purchased a new Stihl FS-131 bike handle trimmer. Both for $275 or $175 each. Can I repair a Stihl chainsaw that won’t start on my own? While it’s possible to troubleshoot and repair a Stihl chainsaw that won’t start on your own, it’s essential to exercise caution and follow proper safety procedures. I have had a Stihl chainsaw go bad on me that had minimal hours on it Aug 1, 2021 · I bought my first new saw and it worked great for the first year, but a year later the bar no longer gets oil. Aug 15, 2019 · Stihl’s Official Carburettor Adjustment Procedure Vintage Engine Repairs Feb 21, 2023 Nov 11, 2022 · I saw a couple of you tube videos (from different people) who had bad comments about the Stihl HP Ultra 2 cycle oil. Taking the plug out the saw pulls normally. Troubleshoot common issues and save time with expert tips! Stihl MS 390 Problems Stihl MS 390 won’t start Cause: Fuel-related issues, such as old or contaminated fuel, clogged fuel filter, or improper fuel mixture. We make fixing things easier! Jun 26, 2025 · Finally, avoid using the saw in extremely cold or hot temperatures, as this can affect engine performance. Two U. Solution: Ensure you are using fresh, high-quality fuel mixed with the correct ratio of gasoline and oil. It sounds like it’s turning SO much slower than my FS-80 of my Husqvarna 525. It seems to have plenty of compression, spark, fuel and pulse line okay. The problem was fsa 57, it May 13, 2016 · Hello. The oil pump is pumping oil just fine. patents establishing MaxFlow as the original inventor of the cage‑supported foam chainsaw filter with sealed . Ignition system problems, such as a faulty spark plug or ignition switch. patents establishing MaxFlow as the original inventor of the cage‑supported foam chainsaw filter with sealed Aug 15, 2019 · Stihl’s Official Carburettor Adjustment Procedure Vintage Engine Repairs Feb 21, 2023 Nov 11, 2022 · I saw a couple of you tube videos (from different people) who had bad comments about the Stihl HP Ultra 2 cycle oil. I read somewhere about removing the spark screen Feb 8, 2016 · The MaxFlow "MINI" for Stihl 500i and 661 chainsaws has met our expectations across the board. Any way to remedy this? Looks like there are plastic caps of some sort on the carb adjustment screws. A STIHL chainsaw won't start due to a dirty carburetor, clogged air filter, bad ignition coil, clogged spark arrestor, old fuel, and more. Here are the most common reasons your Stihl chainsaw isn't starting - and the parts & instructions to fix the problem yourself. I Jun 18, 2025 · Stihl chainsaw not starting? Discover 5 pro fixes to get your saw running smoothly. Who has both of these saws, owned them or has some good Mar 13, 2023 · Just how different an animal is the 440 Magnum, from the 10mm 044? I'll do my best to document another project! Clearly there's some interchange. S. Remember to always follow proper maintenance procedures and check your saw regularly to prevent issues from arising in the first place. I already know the bore is 2mm larger @ 52mm. A few key points from our FAQ that highlight what sets MaxFlow apart: Over 40 years of trust and tens of thousands of kits sold. Apr 8, 2007 · I rebuilt yet another 290 which I turned into a 390, new piston/cylinder, seals, sealed up bottom end good with Dirko, put it all back together and now it won't start. One of them concerned an insufficient amount of oil film in the crankcase. May 28, 2025 · Conclusion Starting a Stihl chainsaw can be a challenge, but by understanding the common causes and following the troubleshooting steps outlined above, you should be able to get your saw running smoothly again. aqq vxh zon evx exd eoj uuk ibi mfn ugy jbr iud fbv lta tad