To receive maximum performance and satisfaction from your STIHL chain saw, it is important that you read and under-stand the maintenance and . You can stall even a gas chainsaw by applying too much pressure. stihl chainsaw has too much compression . Back them off 1 complete turn (counter-clockwise) Screw (LA) - Turn (LA) Idle Speed screw until the chain stops. The minimum compression reading for chainsaws should be in the range of 112 to 112. Jan 23, 2014. A Measure of Pressure Compression is measured by using a simple screw-in gauge. If I put the spark plug in, even just barely hand-tight, and yank on the starter cord, it binds up within the first half-to-3/4 pull. I never thought of the breather system, yeah it could be that alright. Back to top derwen1959 Long Time User Part. Try blowing the crankcase out with air. My MS290 had develop a condition where at times it is impossible to pull the recoil; as if the saw is locked up. #. Stihl ms170 chainsaw will not start. Compression problems. If the saw has compression, the engine will make a whirring and chugging noise. Cutting through some logs that were around 12 inches thickness the saw started getting stuck in the cut, ie there was not enough power to allow the chain to cut as it would normally do and it . Mar 20, 2007. Very unpleasant and painful. The newer professional Stihl saws have a compression release. Little two stroke motors as on chainsaws have to have a lot of compression to make the needed power. At every attempt to start the saw, the pull-cord handle was nearly pulled out of my hand. Welcome to OPE. The Stihl 025 C compression release will need to be replaced if it is broken or has significant carbon build-up. Use the Allen wrench to remove the muffler's cover. Some individual engines may run a bit higher or lower and the temperature of the tool can affect readings. The compression gauge hooks up to the cylinder via the spark plug hole. nk14zp, Stihl 041S and RedFir Down. Pull on the starter cord to determine if your saw has compression. mountainlake. But when I did it's first start it was so stiff with the plug in, that I need to use both hands and have my foot on top of the body. A compression gauge works much like a tire gauge, reading the pressure inside the engine. The timing is fixed on these saws, but a seizure or sudden stop can cause the crank/flywheel key to shear. Advice: Too much compression making it almost impossible to start. Next. Using it a lot will cause sawdust to stick to that oil. Runs as it should with great compression, kept well maintained and used only 91 octane fuel, no issues whatsoever with the saw, don`t have a use for a saw this big anymore. To Check for this is rather easy, simply take out the spark plug and pull on the starter cord between 5-15 times. Taking the plug out the saw pulls normally. During a two day softwood (Spruce) milling session, I recently experienced severe kickbacks from the pull-cord, when trying to start my MS 660. Dec 30, 2021. Stihl chainsaws and (hand held) leaf blowers, I was told that 100lb is the minimum. Applying leverage with spikes adds control, but go easy and listen to the pitch of the motor. I just bought an 075AV and it was delivered without a compression release. it has fresh gas and bar oil. Sem categoria. A cool chainsaw runs low, while a hot engine that's been running for awhile will usually be higher. Jun 2, 2015. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators . If the compression is too high or too low, the engine won't start. Replace if old or too dirty to clean. The saw was warm at the time. All parts that fit a 025 Chainsaw. Decompression Valve : Vents compression in the engine cylinder, making it easier to start. The early designs had a 10mm piston pin, and the later ones were 12mm. The temperature of the tool can affect the readings on the engines. Rollomatic E Light guide bars . February 22, 2011. stihl chainsaw has too much compression. Of those, we really like the Stihl MSA 220 C-B for its excellent power and runtime (over 40 minutes with an AP 300 S battery). This is when I try to pull fast to start the saw; you can pull the recoil slowly through each compression stage. Once spark plug is put in and the saw has compression the saw will not crank. But don't wanna put any money into them if there's not enough compression. FRANCE. TikTok video from Stefan Antoni (@stef.antoni): "Wouldn't start, too much compression. Gasoline to oil ratio for the Husqvarna chain saw. Most chainsaws will operate well with compression readings that range from 100 to 160 psi. #1. Oct 7, 2019. Now how much compression does the engine of a chainsaw needs depend upon the capacity of its motor and temperature. Runs as it should with great compression, kept well maintained and used only 91 octane fuel, no issues whatsoever with the saw, don`t have a use for a saw this big anymore. plug and see if the engine turns freely without the spark plug period that will let us know if there's an issue with too much compression. To start your blower: Connect the red starter cord to the 'S' on the body. The Stihl MS 880 MAGNUM is the most powerful in the Stihl professional chainsaw range. … read more Eric Noe Technician Stihl 251 chainsaw. If it were my chain saw I would drain out all gas and buy new gas and new oil mix if I had confidence in the spark being there. £8.16. Explanations of the purpose and value of a compression release valve on a chainsaw, and some advice on starting a stubborn saw with less pull-back on the rope. 37. I built a clone Stihl saw ms660. You don't need to remove the flywheel to see if it spun on the crank. Advice: Too much compression making it almost impossible to start. Você está aqui: Início. If they are still in line,that's not the problem. 0783 830 2000 - Stihl Tube Of Sealant Ht Red 70ml. stihl chainsaw has too much compression. View or download the MANUAL for the Stihl MS 880. The ideal pressure range of the Stihl chainsaw is between 90 and 110 psi. How much compression should a chainsaw have to run? I us. Push the decompression valve. If this does not solve the problem, it may be related to excessive fuel caused by problems in the gas lines and filters.The lines run from the tank to the carburetor and back again. The compression gauge hooks up to the cylinder via the spark plug hole. CapitaineHaddoc, Mar 23, 2017. The Stihl chainsaw is a two-stroke gas-powered tool that uses a substantial amount of compression to pull fuel from the tank, mix it with air and ignite it to produce energy that runs the chainsaw. But don't wanna put any money into them if there's not enough compression. What causes too much compression in an engine? Stihl MS 211/C with low compression issue. Overview. Here's a quick Stihl Chainsaw troubleshooting guide you can follow: 1. Report post. It will be at the top of the engine cover, somewhere behind the front handle. It has the compression release, so I will give it a try and see how . All went well with the build and it was a load of fun. Regular 87 octane is pretty much garbage. 3) new point's (set at .015) 4) replaced fuel line from tank to carb and pulsating line from carb to case. We'll put together a complete MS271 Farm Boss review shortly, but here is a quick rundown of this most popular and prevalent chainsaw in the Farm Boss . с the ratio of gasoline to oil is 1:40. . 662 views | Chaos Is My Life - The Exploited Pay special attention to the safety precautions outlined on pages 4 to 22. With luck a new ring would get it done, but good luck getting to it on those stihls. Step #4: Gauge the Starter Rope. If a chainsaw has a 2 stroke engine, then the maximum compression it requires is 110-130 PSI. Stihl 044 - 70cc. Here's a few simple things you could try, if you have the tools. Weighing 5.9 kg (dry, no bar, no chain) with a 2.8 kW power output from the 56cc engine, this mid-range chain saw should pack enough power to accomplish the various sawing tasks found on gardens, farms, plantations and orchards. Mix up a batch of fresh fuel and let 'er rip! Adjust this screw too rich and the chainsaw will blubber, too lean and it will over rev. Pull on the starter rope until the compression reading maxes out. Low pressure, 20 to 30 pounds is all you need. Check and see if you have any water in the gas. Sometimes an adapter is needed. Just took it out of its case and attempted to start, and found it almost impossible to pull the rope. When it was put away last fall, it started easily and ran well. of compression. 2, There's probably too much 2-stroke oil in the petrol. Hi, 1. To solve this, you can remove the rope and oil it, or take it to a professional to have it replaced. Most chainsaws will operate well with compression readings that range from 100 to 160 psi. The ratio of gasoline to oil used is influenced by the power of the available chainsaw. My advice on ring seating. If your Stihl chainsaw is hard to start, check the gas in the tank initially. Page 1 of 2. Just enough to start when cold, and not run once hot. But lowly homeowner Husqvarna Ranchers (e.g. Check the Spark Plug . Rollomatic E guide bars - MS 211, MS 211 C. Reduced kickback STIHL guide bars (with green label) Bar lengths: 30, 35, 40 cm (12, 14, 16 in.) It has not been used in almost a year. Posted November 21, 2019. Keep holding onto the unit while . The Stihl chainsaw is a two-stroke gas-powered tool that uses a substantial amount of compression to pull fuel from the tank, mix it with air and ignite it to produce energy that runs the chainsaw. I built a clone Stihl saw ms660. It's simple to check if you want to give it a try. Você está aqui: Início. Your Stihl chainsaw most likely has a decompression valve. To Basket. Question. According to Stihl USA, the minimum compression reading for their chainsaws should be around 110 psi. When this pressure, or compression, is too low or high, the chainsaw . How a Small 2 Stroke Engine Decompression Valve WorksA simple explanation of how a small engine decompression valve works. Even local authorities might find the MS290 useful for light maintenance work. If the rope is too difficult to pull, there may be high compression. Turn it on and press down on the safety lock with your other hand while pulling on the starter cord. Oct 7, 2019. As a homeowner I didn't . Aug 8, 2015. (there is some play when flywheel on shaft (nut not attached) 3. tank and oiler vents are operating 4. exhaust has been removed and spark arresting screen checked (clean) 5. piston/walls checked.. no scarring Only show this user. But being hard to pull sounds like light seizure problem. If the compression is too high or too low, the engine won't start. Screws (H) & (L) - Turn the adjustment Screws (H) & (L) down onto their seats (clockwise). The chainsaw has an oil reservoir which lubricates the chain in use. A dirty air filter or a faulty ignition coil An excessively loose chain tension, oil leaking from the bar, and a worn-out spark plug are other common causes of poor chainsaw compressions Stihl chain saw too much compression I had to take it apart… My Stihl 290 chain saw cord pulls back real hard while My Stihl 290 chain saw cord pulls back real hard while trying to start it. Price. More posts from the Chainsaw community. What is the minimum compression for my STIHL chainsaw? As standard, the MS 180 CPG comes complete with a piston pin, two piston rings, and two retainer rings. A cool chainsaw runs low, while a hot engine that's been running for awhile will usually be higher. Just wanna get a 2nd opinion. Jan 25, 2009. Posted by 5 days ago. The Stihl 064 was the first saw I bought in 2000. I have a couple of blowers that are about 70 to 80lbs. If I pull on the starter cord without the spark plug in place, it will turn over with a nice, smooth motion. on each additonal pull the saw cranks less until it nearly locks up L Lawnranger Well-Known Member Joined . 2. All went well with the build and it was a load of fun. It has a slightly better power-to-weight ratio than the . These valves are mostly used on ch. When starting, slowly pull the rope to where it pulls hard before starting your actual starting pull. Chainsaw Compression Release. I built a clone Stihl saw ms660. stihl chainsaw has too much compression . 1. saw has new carb 2. flywheel has been removed and key inspected. Some individual engines may run a bit higher or lower and the temperature of the tool can affect readings. It also has the ability to accommodate either a 14″ or 16″ bar. Step 1 of 15: Before starting your chain saw, the chain brake should be activated by pushing it forward (see picture). The Stihl 034 Super compression release will need to be replaced if it is broken or has significant carbon build-up. Pull on the starter cord 10 to 15 times, or until the compression gauge needle hits its maximum level. It should support 7 pounds for 7 minutes. Here is what I've done: 1) new plug 2) complete carb clean several times..and all new gasket kit. The ideal pressure range of the Stihl chainsaw is between . . Always change the gas at the start of a new season. Saw has never been problematic - till now. Don't do anything special. The cause of any chainsaw problem may also be the chainsaw starter rope. Take off the muffler or the carb to get access. Similarly a 4 stroke engine needs 2 times more compression than the 2 stroke engine that is around 180-210 PSI. Actual cutting length will be less than listed bar length. Pull some rope through your starter handle and tie a knot to make it shorter . According to Stihl USA, the minimum compression reading for their chainsaws should be around 110 psi. Most 2 cycles need a minimum of 100psi to run, some will run with less, some won't. A quick check is to pick the saw up by the recoil handle, if the saw drops thru the compression stroke, it needs serious work. Pull rope comes out about 6 inches on the first pull and stops. Joined: May 2010. #1. The Stihl 066 chainsaw uses the same type of engine most gasoline-powered yard tools use, a two-cycle combustion engine. If A two cycle engine gets flooded BADLY, oil can separate from the gas mix, accumulate in the crankcase and creates an hydrostatc lock. Carboned rings will decrease not increase compression. 1,988. If it is a plugged breather,,,,I have fixed this issue by getting a vented fuel cap, problem solved. The dimension of the CPG of the chainsaw is determined by the diameter of the piston, the cylinder is slightly larger. I have a couple of blowers that are about 70 to 80lbs. If you see a bunch of gas shoot up, then your chainsaw was flooded. Closes automatically as soon as the engine fires. . Cleaned the head & cilinder, here she goes! My Stihl 290 chain saw cord pulls back real hard while trying to start it. Local Time: 2:17 AM. STIHL MS880 Magnum chainsaw for sale. I have a 55 rancher that is always giving me fits to crank because it has too much compression for me to easily pull the saw to start it. Carbon build-up can result from too much oil in the gasoline [mixed rich] or from using fuel of poor quality [fuel that has become stale]. The most likely candidate would be failing/worn piston rings, but it could also be problems with the intake or exhaust valves or their valve seats, the threaded fitting that the spark plug (and likely the compression test fitting) screws into, or even a crack in the head of the pistons. Carbon build-up can result from too much oil in the gasoline [mixed rich] or from using fuel of poor quality [fuel that has become stale]. This relieves engine compression and makes it easier to pull the recoil starter. However, this will vary by model and compression readings alone are not enough to determine the condition of the engine. MS211 Cutting attachments. Our aftermarket suitable replacement Stihl 034 Super chainsaw compression release parts . Turn the engine to get under the piston and blow the crankcase out. #3. Our aftermarket suitable replacement Stihl 025 C chainsaw compression release parts meet or . safety instructions for all STIHL 026 series power saws. Yes, some of the mid-size pro Stihls have compression release valves, and all of their big saws have it now. my 025 stihl chainsaw gets way too hot and . Some experts will tell you that 90 psi compression reading is right at the border of pass-fail. 1 Any small engine mechanic worth their pay would have pressure tested that carb after the rebuild. I can't offer much in the way of compression specs- though if I had to guess, I'd expect to see at least 120lbs. #stihlchainsaw #stihl #metalhead #meanmachine #chainsaw #fyp". Check the Gas. In other words, you need 25 ml of engine oil diluted in 1 liter of fuel. To one side of your Stihl chainsaw, you'll find a small, translucent plastic bubble. This presumes that the reading was taken accurately- it's easy to mess up things and get erroneously low reading. Unscrew the spark plug using a ratchet and screw the compression gauge in its place. While holding the unit, press down on the throttle trigger with your first hand and pull through with a swift jerk of the arm. Trust me, you'll love it! Forums > Equipment Repair and Operation > Chainsaws > Too Much Compression? I am having a starting problem with a Stihl 032AV chainsaw. Pitch: 3/8″ P (9.32 mm) Groove width: 1.3 mm (0.050 in) Sprocket nose: 9-tooth. I would think a chainsaw would be the same. kwschumm Join Date: Feb 2003 Posts: 5764 NW Oregon Pics: . Click to see full answer. Sem categoria. Shop at Stihl USA. You will notice the compression less. It's not a problem, better too much than too little. Compression should reach at least 90 PSI if it's hot, and at least 100 PSI if it's cold. Also, be careful as to how old the 044 that you have is. Virginia. You can see the cutaway for the key on both the crank and flywheel just by removing the nut and washer. This will change the timing and cause the ~SNAP~ problem. It has been removed and the hole plugged. Iowa. Serial numbers after X29382283 should have the 12mm piston pin. Remember to top up the oil reservoir after each use with proper chainsaw oil. According to Stihl USA, the minimum compression reading for their chainsaws should be around 110 psi. A compression gauge works much like a tire gauge, reading the pressure inside the engine. Discussion in 'Chainsaws' started by redtractor, Mar 26, 2021. redtractor Super OPE Member. Chaos Is My Life. The following have been addressed. You need to replace the gas with a fresh one if you haven't used the chainsaw for a long time. Click to see full answer Hereof, why does my chainsaw have too much compression? As an example, in a mid-size saw, the MS261 has a compression release. Then turn counter-clockwise one quarter of a turn. By John Rainford, November 21, 2019 in Chainsaws. 5) pulled line and filter up out of tank and inspected very close..looks perfect as well as screen in filter. Owner of the latest Stihl MS660 I got into the shop said the saw ran OK. . Compression gauges are not always accurate and different engines will provide different results. STIHL MS880 Magnum chainsaw for sale. I fixed and checked several other things as requested but not much . M. mountainlake . Aug 21, 2012 #1 Stihl 031 av cranks and pull rope extends fully when spark plug is removed. It assists with firing the engine and starting your chain saw. Stihl ChainSaw Won't Start, Reason 2: [Flodded] A Flodded Saw means that there is too much gas in the combustion chamber. 122cc with fairly new 36 inch bar and brand new chain, can run up to a 59 inch bar. Pull on the starter rope until the compression reading maxes out. To properly check, tug the rope. It's not refined like the new plastic saws, and not nearly as smooth, but damn, it's strong for the weight! how much compression should my chainsaw have? 122cc with fairly new 36 inch bar and brand new chain, can run up to a 59 inch bar. Old or bad fuel can cause lots of headaches with yard equipment. If the power of the tool is less than 2 liters. This will not make a saw die unless it is really dumping ridiculous amounts of fuel, it will make it hard to start. Re: Chain Saw Issue Stihl MS250 [ Re: tzone ] #15553696 12/21/20. All went well with the build and it was a load of fun. stihl chainsaw not getting fuel Posted on 5 June, 2022 at 8:14 pm by Even now, I think it's one of the best saw Stihl ever made. There are countless causes of poor chainsaw compressions but the most common ones include: A flooded carburetor or a broken crankshaft seal. Step 2 of 15: Always remove the bar cover before starting your chain saw. Generally the minimum is 110 lbs. When the rope is yanked from your hand, it's usually timing. On a Stihl 180 chainsaw, the piston group has a diameter of 38 mm. Remove the recoil cover, and the flywheel nut and washer. Clean the screen and replace if damaged. Select Page. Joined: Jan 16, 2016 Messages: 374 . A hot engine that has been running for a long time will usually be higher than a cool chainsaw. Description of the piston group Stihl 180 chainsaw. Just wanna get a 2nd opinion. #1. it has - Answered by a verified Technician . If it's the 10mm, neither the BB or OEM 460 parts will fit. Stihl chainsaws and (hand held) leaf blowers, I was told that 100lb is the minimum. Pull out the spark arresting screen from inside the muffler. 1,988. Many problems with compression are related to fuel. No extra oil, don't run it rich and no babying. Stihl Ms271 Farm Boss Overview. Once started it runs great. Next thing is to smell/look at fuel. Allow only persons who understand this Manual to operate your chain saw. Step 3 of 15: If your chain saw is fitted with a decompression valve, press it now. . #16. Replace the gas line and the breather system. It has not been used in almost a year. the 455) have CR, but he Stihl Farm Boss (MS290) does not. I'm trying to get a hand-me-down Stihl 032AV cleaned up and running, and have run into a bit of a problem. The saw retails for around $409 as a bare tool and carries a 2-year commercial or 3-year residential warranty.