It works great, but is a real trick to start after sitting for several days/weeks. Any help would be appreciated. Yup, the MS 391 has a decompression valve....just like my 036 Pro. Most have tank vents but is a one way valve in most cases, so the tank will be pressurized. I take the plug off dry the plug restart it and the - Answered by a verified Technician. Butom MS170 Carburetor with Air Filter Tune Up Kit for Stihl 017 018 MS180 MS180C MS170C Chainsaw C1Q-S57A 1130 120 0603. With its sleek and modern design, the STIHL chainsaw carrying case is an ideal way to store or transport your STIHL chainsaw when the job is done. Since I needed to get busy on the firewood, I went to the store and bought a new MS391. With electronic fuel injection and the best power to weight ratio on the market, its cutting power is nothing short of extraordinary. Could be some dirt or something keeping it from seating. © 2010-2020 LawnMowerForum.com. Yeah, I suspect the problem is more ME than the saw. When cold starting a Stihl chain saw, move the master control lever to the half-choke position after the fourth attempt to start it to avoid flooding the engine. Every chain saw has an air filter connected to the carburetor, and if it gets clogged, your saw will waste gas, pollute more and perhaps run poorly. Starter rope keeps kicking back when trying to start chainsaw. This new 391 has two choke settings..."cold" and "warm", and is really a bit tricky to get the first "cough" without flooding. Keep in mind that the tension of the chain will change with heat. Take spark plug out and pull rope and fuel shoots out of exhaust and spark plug hole. Needle is seating properly. Once its ready to run, it will cut through anything, including a 70 ft oak tree...just like my old 036. For power equipment parts and accessories, think Jack's! Cleaned it out good. The trick I have used on various Stihl saws is crank until you hear the little pfft of start, and then take it off choke and continue cranking until it starts. JavaScript is disabled. Stihl - Aftermarket Chainsaw Parts Stihl - Aftermarket Chainsaw Parts: Jack's is your place! When a saw is flooded, put slider in this position and squeeze the throttle completely while pulling the starter cord. Thought it might be tank vent. I have found that after sitting for a few weeks, two pulls on "cold" choke, then switching to "warm" choke, for two pulls usually results in a "burp". It turned out that I had installed the wrong fuel pump diaphragm, allowing gas to enter the crankcase via the pulse hole. 5.0 out of 5 stars 1. Shouldn't build up that fast if at all. Most common problem with gas leaking is dirt under the needle valve tip preventing it from sealing or dirt will build up under the metering diaphragm cover preventing it from returning to the rest position and closing the needle valve. There seems to be a real fine line between starting and flooding the engine. The Stihl cut so many discs, we had to revert to the next smaller size of test material when it came time to run the Husqvarna. Of course when I brought it back the dealer informed me they are notorious for flooding. Fuel lines are good. There are two ways to start a chainsaw, on the one hand, the ground start and on the other side, the knee start. STIHL uses a green and yellow color-coding system to help you select a powerhead, bar and chain combination that complies with the kickback requirements of ANSI Standard B175.1 (gasoline-powered saws) and §30 of UL 1662/ ANSI Standard B175.1 (electric chainsaws). Once it runs for a few seconds, all is well, and I can cut for hours with no trouble. Stihl Chain Saw 015 015AVE Walbro HDC17 Carburetor K10-HDC Carb Repair Rebuild Kit. I knew that would be it on a 4 cycle but just never had it happen on a 2 cycle. ... Stihl ms 180 chain saw, new carb, spark plug, compression. The cold start of a Stihl chainsaw I bought an MS-250 three weeks ago and have the same issues. We have the Stihl - Aftermarket Chainsaw Parts you need, with fast shipping and great prices. If the spark arrestor is clogged, the chainsaw may run stall or run rough. STIHL is a German manufacturer that makes handheld power equipment like trimmers and chainsaws. Wow so glad you posted. The company specializes in forestry equipment and landscape maintenance and has designed several different lines of high-performance chainsaws for both professional and home use. The number one cause for flooding the two-cycle engine of a chain saw is improper cranking. I have a 15 yr. old Stihl 036 Pro that I have used all these years, and last Fall it blew a crankshaft bearing. Common issues: Sparkplug ; Rewind spring; Carburetor issues; Fuel intake Any help would be appreciated. Maybe go make a cup of hop tea while you wait. Still does it just sitting there. Zimmerman's board "Stihl chainsaw" on Pinterest. I installed the correct diaphragm and the problem went away. Fortunately it keeps rocking. stihl ms 180 chain saw, new carb, spark plug, compression 110, new gas, still won't start what next, piston is not scored. See more ideas about stihl, chainsaw, stihl chainsaw. Only 8 left in stock - order soon. I have tried several variations of choking, etc., and if I'm not real careful, I will flood the engine. Stihl Chainsaw starts then stalls. If you are using the chainsaw for an extended period of time, it is a good idea to stop every 20-30 mins to check and adjust the chain tension, if necessary. It is best to prevent this from happening, but if it does, it is a problem that can be fixed. Fuel lines are good. I doubt the saw has 5 hours of run time under its belt. Mar 31, 2017 - Explore M.D. No more than 4 pulls with the choke on. Many novice chain saw operators get over anxious when trying a cold start that leads to the engine flooding. The fix could be as easy as replacing a bad sparkplug, or drying the sparkplug off because the fuel has flooded it. Does anyone else have a MS391, and have any tips on starting one of these? Air purge I have a Stihl 026 chainsaw that is flooding every time I start it. I have 40 acres of oak forest, and heat with an outdoor wood furnace...generally, I cut about 8 cords of wood each year to feed the furnace. Watch this video to learn how to properly start your STIHL Chainsaw.Learn tips and techniques on what to do and what not to do when operating your chainsaw. The durable hinges provide added security, and two tie down points help to prevent against sliding during transport. Plus, these newer saws have more ""EPA" regulations imposed, so that also makes them a bit touchy. Pulling the rope more than two to three times in this setting may flood … Very disappointed. My 036 Pro fires right up on the 3rd or 4th pull with the choke, then settles down to a good run as soon as I release the choke. Still does it just sitting there. Thanks will try that out tomorrow. Just wouldn't consistently start. It has a Walbero carb . This method will work best with a mildly flooded engine. If you can access the air filter easily, without having to pull out a screwdriver, you’re more likely to keep it clean. Featuring an impressive power-to-weight ratio and STIHL M-Tronic™ engine management technology, the MS 661 C-M MAGNUM chain saw … When I bought this 391, I was seriously considering an 441 or 461, but I'm getting too old to handle that much saw. If your Stihl chainsaw is not starting, there are some common problems that you can look for, to diagnose what the problem is. Remember to always wear the proper Chainsaw Protective Apparel when using your chainsaw. The first is the easiest and most common method. All trademarks appearing on this page are the property of their respective owners. Stihl MS 360 Chainsaw If given the opportunity to flood, a two-cycle engine will do just that. I am working on a STIHL model 026 chainsaw the engine would not keep running so I bought a carb kit for it . A professional chainsaw with enhanced fuel efficiency and STIHL M-Tronic™ technology. This is got to have something to do with the tank vent and the tank building up pressure. The thing that is unique about the MS391 is that its carburetor has two butterfly valves...one for the choke, and the other for the run. This is a formidable power tool that competes directly with the Stihl. © 2010-2020 LawnMowerForum.com. During the winter, I tore the old 036 down, and rebuilt it, so now I have 2 great chainsaws...if I can just figure out a technique to start this 391 more easily. This can be quite frustrating. Clean the air filter to ensure the engine receives enough air. With an extensive range of powerful chainsaws, from lightweight all rounders, to powerful workhorses, there's a STIHL chainsaw for every job including the new and most advanced chainsaw in the world; the MS 500i. Sounds like the carburetor needle is stuck open. Stihl saws have one of the easiest covers to remove. Cleaned it out good. Be sure to read and fully understand your chainsaw's Instruction Manual for more in-depth instructions and safety procedures specific to your saw. It also has two choke settings, which feed different amounts of fuel during choke. A good rule of thumb to follow is to remember that when placing the switch control to the full choke setting, more liquid fuel and less air flow into the combustion chamber in order to create a higher chance for ignition. Then, if I'm lucky, it will catch and start to run if I give it full throttle. The MS391 has the piston decompression on it. OK, I seldom run into this with a new Stihl chainsaw, but I have a real problem with an MS251C. No more than 4 pulls with the choke on. Let your chainsaw sit for 15-20 minutes to allow the fuel to evaporate from the engine and then to repeat the starting instructions. 01 - Spark Arrestor. Once its warmed up, it fires right up on the first or second pull....it is just the cold start that is an aggravation. I just had this same problem on a Troy-Bilt blower. Before starting the chain saw, make sure that there is enough fuel in the correct ratio in the chainsaw and that the chain oil is filled up. The older saws would run a couple of seconds with the choke on, but the new ones just slightly fire, and if you miss it, it will flood on the next pull. The trick I have used on various Stihl saws is crank until you hear the little pfft of start, and then take it off choke and continue cranking until it starts. Common solutions for: Stihl Chainsaw starts then stalls. JavaScript is disabled. The spark arrestor is a small screen that prevents the engine from emitting sparks. When professionals need to fell large trees in large quantities they reach for the saw they know has the power to get the job done – the MS 661 C-M MAGNUM®. I have a Stihl chainsaw 028 that just fills up with fuel. Power in Your Project: STIHL Chainsaws. I was looking to upgrade my little ms-170. I've got a couple of big oak trees in the yard that didn't survive the Winter, so when the Spring yard work settles down a bit, I'm going to get in some more "practice" with the new saw, and get it figured out before I start the serious Fall firewood cutting. But noticed that while carb was off fuel was coming out of the fuel line coming from the tank. Additionally, check the guide rail and the chain tension. I opened the fuel cap and fuel went down. You must log in or register to reply here. 98. For a better experience, please enable JavaScript in your browser before proceeding. For a better experience, please enable JavaScript in your browser before proceeding. Wouldn't hurt to take the carburetor off , disassemble and clean it. Take spark plug out and pull rope and fuel shoots out of exhaust and spark plug hole. To clean the air filter, press in on … Fuel coming out of the fuel line on a two stroke engine is normal. FREE Shipping. The case is manufactured from high density polyethylene with double wall construction. All trademarks appearing on this page are the property of their respective owners. I have a Stihl chainsaw 028 that just fills up with fuel. It has the new pull cord start assist mechanism that drives me a bit crazy. Common Stihl Chainsaw Problems. It pulls fine with spark plug removed. Over time, the spark arrestor can become clogged with soot. Regardless, this saw refuses to start using the typical procedure discussed in the Operator's Manual. I have found other people who have had the same issue, but they say that once it gets 20 or 30 hours of run time, and breaks in good, it generally starts much better. Well took carb off and cleaned. The fuel has to be removed from the combustion chamber, which on the surface sounds complicated. As the chainsaw is used and the chain heats up, it will become loose. The only thing is that it is about room temp. It is not flooded - Answered by a verified Technician. You must log in or register to reply here. To crank from a cold start, turn the throttle open, turn the switch to the on position and pull the start cord three to four times or until you hear a “pop.” Then stop. Long story, short, I returned it today. ... keeps the water out of the ethanol, and helps to keep the fuel from oxidizing. This is the run position on my little Stihl 170. $14.98 $ 14. Thought it might be tank vent. 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