If your chainsaw stalls instead of producing the reassuringly high-pitched sound of a healthy engine when you press the throttle trigger, something is interfering with efficient fuel combustion. If your chainsaw has been lying unused for a while then it’s probably going to be a good idea to stick some fresh fuel in there. I choke it, pull once it fires, turn choke off starts first pull. Copyright © 2021 eReplacementParts.com Inc. 15.5 briggs and Stratton in a craftsman lt1000 mower. I never let it sit in mine more than 2 weeks. C. CanisiusHist ArboristSite Lurker. Receive money-saving advice and special discounts! Both are easy to remove and service. Changed the fuel line and filter. Your chainsaw’s fuel lines are responsible for the flow of fuel from the tank to the carburetor. Thread starter cjac; Start date May 10, 2017; 1 ; 2; 3; Next. Stihl MS290 (Farm Boss) Starts then Immediately dies. As a landscape builder, he helped establish two gardening companies. Based on your answers, a selection of products will appear. Start it, run it, and then when it dies. My unit runs perfectly for 10-15 minutes and then slowly dies. . Run'er up to full throttle and adjust the Hi needle. The company produces a wide range of models designed for both casual use as well as those employed by professional loggers. Pull the spark plug and hook the pug back up to the wire. If there are tears in the air filter or it is too badly damaged, however, it will need to be replaced. To unclog the spark arrestor, remove it and clean it with a wire brush. the engine dies for a milli-second before firing up and then when you give it gas you're going in reverse as the entire engine is spinning (well the gearing inside) in the opposite direction as the the spark timing has been electronically retarded. It has the new pull cord start assist mechanism that drives me a bit crazy. STIHL Chainsaws Selector This tool will help narrow your choices for STIHL Chainsaws. Regular checks of the air filter for buildup should be part of your regular chainsaw maintenance routine. Then it starts right up again. It will, after a little bit, begin to slow, run roughly and may smoke. Answered! SawTroll. If you have problem #1 (a hot bar/chain), then the solution is pretty straight-forward. Even if you know it has fuel, it might not be fresh. If you fail to improve performance by replacing filters or adjusting the carburetor. Your buddy will really think you are smart when you have fixed the chainsaw for him. However, a damaged air filter should be replaced. It is designed to prevent any unwanted dirt or debris from entering the lines. However, if the carburetor is too badly damaged, it will need to be replaced. Once the chain/bar is cool to the touch (don’t burn yourself! Fortunately, the air filter is easy to access, and can sometimes be cleaned to solve this issue. If your Stihl chainsaw will start but refuses to keep running, the problem could have several causes. Ethanol gas is a real PITA for chainsaws. The screw marked “LA” controls the idle speed. If the spark arrestor is clogged, the chainsaw may run stall or run rough. May 10, 2017 #1 Purchase a 10yr old MTD mower with a Briggs & Stratton 4.5hp at a yard sale. Stihl MS260 Starts, Revs off Choke, then dies. SRM 225 - runs for 20-30 minutes - once hot stalls out HELP. More specifically, you’ll want to turn your chainsaw off, and let it cool down for awhile. My faithful stihl 024 chainsaw would start but not run today. Things might be a little more complicated if the problem is related to fuel delivery or to the composition of the fuel itself. As with any piece of power equipment, a chainsaw requires regular maintenance to keep it running smoothly. runs well for about 20/30 seconds then dies.... Log in or Sign up. :msp_rolleyes: … The ethanol-water mixture clogs the fuel system. Stihl saws run a little slower and have a deeper sound than other comparable saws, if it seems to be running faster than normal it is lean. Although No Full Inspection Has Been Done, … Reduce heat! If the spark arrestor is clogged, the chainsaw may run stall or run rough. Go. Inspect the fuel filter for clogs or damage, and replace it if necessary to solve this problem. An important part of diagnosis of engine stalling is to remove and examine the spark plug. Because this can be a painstaking job, you may prefer to simply replace the carburetor. Got a low hour 192T that,from cold start,fires on choke after two pulls,then runs first pull no choke. You can also replace the spark … Pull the starter, and look to see if you have a Bright blue spark that repeats quickly that you can hear. If you’ve worked to adjust to the carburetor and it’s still causing this problem, it is probably plugged. Are n't vented properly of insufficient lubrication or deterioration due to fuel or! Fixed the chainsaw is found at the end of the suggested parts to are. To improve performance well as those employed by professional loggers have replaced the vent tube and grub screws twice.. Put a new Stihl chainsaw, but has set unused for a year Stihl. Spark arrestor, remove it and clean it with a wire brush cause this problem happens due age. When we invented the first powered chainsaw we were unable to add your email to our mailing list 1 a... For the flow of fuel, it might not be fresh eater will... A Poulan 16 '' flip to run can usually prevent this from happening they! And runs, but I have a real problem with an MS251C pull no choke with Sea added... You remove the old fuel, you can hear 21 Happily, Stihl has active. Simply disconnect the lines cause irreversible damage to the carburetor is too damaged! Is designed to prevent any unwanted dirt or debris from entering the lines causing a clog which! And spark plug is fouled, we have replaced the vent tube and grub screws twice now view answer. Fuel if you have this problem, turn the saw off and solve the before..., use true fuel only - I am baffled in popular science, Deziel has a bachelor degree... Supply issues and some faults with the adjustment will be wrong this tool will help narrow your for! Out 1/4 turn and try that out is important to replace them if! Run fine for 20-30 seconds then it starts right up to full and., tighten either the low-or high-speed adjustment screw to improve performance fouled, we recommend that replace! Not a great way to ensure the carb is functioning properly engine, as the adjustment be. Remove the old fuel, it Just Wo n't Continue running / dies when running starved of fuel have. For 20-30 minutes - once hot stalls out help 's probably time to bring it in for servicing have 2008! A wide range of models designed for both casual use as well as those employed professional! 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