Joined Oct 28, 2008 Messages 26 Location enfield,ct. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. This season I had terrible bogging when throttle was applied. Stihl BG75 Blower surging at WOT. Handle frame . I would get it going again and the same thing would happen. For me its mostly about high side tune. I looked at the manual and tried what it suggested. I also replaced the fuel in it with the premixed Stihl gas. Last season (the first) it ran like a champ. I am now using 2 of them at a time to create some sort of seal at the edges when the cover is put on and locked down onto them. Checked the spark arrester, it's like new. Fuel filter is clean. Bent a hair and that little saw runs like a champ now. buy an adjustable walbro carb from ebay for about $15.00. This year however it starts fine but bogs down when I throttle. 3. 1,024 Posts #3 • Jan 1, 2008 (Edited) Have you checked the fuel filter? Only attachments supplied by STIHL or expressly approved by STIHL for use with the specific STIHL model are authorized. Intelligent engine management is active even during uncontrolled rich come-down at full throttle. YEAR 2004. I'm looking at getting either an ms170 or a ms180 and wondering what differences there is between other than engine size. Steve. Show off your Stihl equipment, jobs you've conquered, or get help with questions. The issue turned out to be very simple. My Stihl Weed Trimmer Is Dying at Full Throttle. I have a four-year-old Stihl SH 85C blower that has developed a problem the last three times I have used it. I use Stihl or Echo The 50:1 mix is usually recommended but in hot weather i go a little heavier with the oil like a 32:1 or around there. Reviewed in the United States on August 6, 2015. appropriate section of your instruction . It acts like it is not getting fuel. If its a tune fix then its the Low speed screw. So after experimentation with the places I buy my gas from, Shell is by far the best (by me). Its done by sound and its impossible with words to explain what 4 cycling sounds like. ... See the seller’s listing for full details and description of any imperfections. Dolmar 7900 24".... X27 and my Titan. Even then, give it some gas and it would just want to bog and die. Quite possibly right on through. When your Stihl MS 170 chainsaw drops its power under full load, it generally means there is an improper mixture of fuel and air in your carburetor. This new carb cured that issue. Thread starter iod0816; Start date Nov 4, 2011; Forums. Maybe I'm just lucky, but the gas I get around here all seems to be pretty good. I'll add roughly half the required amount of fuel to the can, it doesn't have to be empty if you are mixing at the pump. small engines blower bogging down at full throttle poulon ppbv25 blower has less than an hour use ... of it when i gave up the tank was half full but the next leaf blower bogs down on throttle ideas jump to latest when my stihl weed eater ran at idle but bugged down and died when i gave it it a little extra Over the past week, I ve noticed to power is WAY down. Muffler. Super Pro 125C,.404 General 30" roller nose bar, http://web.archive.org/web/20051018212959/www.madsens1.com/sawtune.htm. Weather is 30-50 when I'm cutting and I'm trying to run 40:1, 93 only. Fs 130 bogs down at full throttle after a couple seconds, replaced fuel filter assembly, carburetor is clean, throttle is adjusted right, what am i missing? Trimmer: Engine Will Idle But Dies At Full Throttle . Report abuse. Many times at GTGs we would tune each others saws while in a cut. It runs fine with the new air filter I have inserted. MS 170, MS 170 C, MS 180, MS 180 C. instruction manual.) Let it warm in the cab before cutting on the ride there, started 1st pull after first on pull choke. If you can swing the extra cash, the MS 250 is the best value in the “homeowner” line, and it will give you the best power to weight ratio for the money. share. 5 people found this helpful. Any difference in the sources of the gas from the first time and gas you used today? Damaging the carb with full throttle = no - no break in period. The engine boggs down under a load and when just reving the saw. 25 degrees out this AM. I d say the power is half of what it was when running great. You must log in or register to reply here. Carburetor C1Q-S57A. 14'' Chainsaw Guid Bar For STIHL MS170 MS171 MS180 MS190T MS211 MS230 MS2. tried fuel filter, spark plug, fuel cap. It happens after it's warmed up and at full throttle as well. i can get it to run but it is very touchy. P. panic101 ArboristSite Lurker. Stihl 290 revs full then bogs down. If you burn it over 30 days, big... Bogging was from 15 to 30 day old gas from cheapo mart... And there really isn't a price difference! its been stored inside for around 8 years in a case.prior to that it was barely used. If the filter significantly changes the air flow, the mixture must change. No bogging and just cut a cord of black locust... Can it really be that sensitive to the amount of oil? I had to feather the throttle just to get the RPM's up there. You need to ease into the trigger and build up the rpm's. If your saw has a limiter on it you might only be able to adjust in the cut (with the help of an assistant) or with times tests. My first thought was that the gas went bad but other tools with the same gas are running fine. Cylinder. Did you say you got NEW 93 and remixed? When my Stihl Weed eater ran at Idle but bugged down and died when I gave it it a little extra trigger, my problem was just a simple matter of the gas having gotten too old. I'm having trouble with my Stihl MS180 C-BE chainsaw. Bar nose sprocket turns easily. I replaced the carburetor, spark plug, and fuel filter, but no change. Ok, oh great wizards of small combustion engines, I have a problem that really has me confused. When I am filling for a fishing trip for the 9.9 merc I mix 3 gallons and fill other containers with that. The top end tune is very important. Only time a I get crazy about tune is timed cuts at a GTG. The repair and symptom guide will help you better identify the part needed to be replaced and how. I'd just take it apart and clean it. Ah hell, got inside the carb but while removing the little brass jet, which was screwed in, Fine sawdust is very unlikely to build up in the parts of the carb exposed to the intake air. 2.0 out of 5 stars Don't try holdinng your breath until it arrives, and then allow extra time to repair it. Excellent aid to anyone looking to clean their MS170 carb: if particles are going into the carb through the air filter that won't plug up carb. Ms170 vs ms180. And for plain ole firewood cutting it mostly just a summer winter thing. Verified Purchase. It's not very old. The STIHL MS 170 is a small chainsaw that packs a punch It is perfect for cutting firewood and for general garden chainsaw tasks. Since the tune, I've ran about 2-3 and noticed with this particular can it's been bogging and stalling. I had an 017 at work that would do the same but eventually just wouldn't start, I took the carb apart and cleaned it but had to throw it back together because more important things came up, sent it to a dealer who said it was dead, year or so later last month pulled the carb apart and found out needle valve lever didn't have enough bend to open the needle valve. Point the tip of the chain saw blade at a light-colored surface and allow it to run at full throttle for 45 seconds. I. iod0816 Member. These kinds of carbs cannot hold a constant fuel/air ratio as air flow changes. Stihl chainsaw carburetors usually have three adjustment screws: one each for idle, low speed and high speed. Do not operate the throttle, run the equipment only at idle speed until the engine stops!) tank, Husky 359, Ryobi splitter, Mean girlfriend(good dancer though). ... WE LIST THIS AS SPARES OR REPAIRS AS IT BOGS DOWN ON FULL REVS AND UNDER LOAD , SO WILL REQUIRE SOME SERVICE WORK AND TUNING UP. I have a stihl blower that starts and idles fine but bogs down and cuts off when I try to throttle up. I have replaced the spark plug (properly gapped), rebuilt the carb, replaced the fuel line and the fuel filter, cleaned out the chain brake and the clutch and cleaned the fuel tank air pressure stabilizing valve. Verified Purchase . if all good then yr filter is choking it. The throttle position sensor is key to getting the desired power and fuel efficiency from your vehicle in any driving situation. Status Not open for further replies. It may not display this or other websites correctly. After a year of use the thing was completely fouled up. A Stihl mechanic on here said its a carb issue, mostly from ethanol in fuel. Probably don't even need a kit. Will have to learn how to carb adjust myself definitely tho! Our repair guide can help you identify the right part to stop your chainsaw’s engine from dying at full throttle. Noticed the fuel line was seriously degraded. It idles great (would idle all day if I let it). 4. After running at full power for about 10 minutes, the engine speed slowly decreases until it barely runs. If your trimmer engine idles, but stalls on throttle, check the following parts: the gasket, primer bulb, fuel filter, air filter, fuel vent, fuel line, and carburetor. P&P: + £5.99 P&P . Re: Stihl trimmer bogs down Fitted new carburetor and we went to boggin down again.Spoke to small engine mechanic last night and he said you got sent a bad carby. Carburetor C1Q-S137 BR. My trusty (10 yr) old Stihl 16" chainsaw is starting fine (have to choke once until it kicks - which has always been the way) but it will only run for 20 or 30 seconds and then dies. If you just pull the trigger quickly and try to go full throttle it will bog down. stihl fs-80 bogs down when I go full throttle, also sometimes will just shut off. Complete with the same design features the professionals depend on, the MS 170 is lightweight with just the right amount of power— perfect for residential cutting and trimming of small trees, firewood or storm clean up. Spark plug and chain are new. Carburetor C1Q-S57A. Is it the weather? I have big saws but now only use this small chainsaw because a back injury means I cannot handle the heavier ones. Bet there is some crud in there. Stihl MS 170 Chainsaw (MS170D) Parts Diagram Select a page from the Stihl MS 170 Chainsaw diagram to view the parts list and exploded view diagram. The purpose of the carburetor is to mix air and fuel before it's ignited in the chamber. Saw has been mine and only mine since new. If you discover that you have enough fuel but your machine does not start, then examine the fuel tubes. Would take 2 to 3 together to work right. Oct 19, 2009 #1 i just purchased a stihl ms170. For a better experience, please enable JavaScript in your browser before proceeding. Well suited to domestic users, the MS 170 chainsaw has been fitted with the STIHL anti-vibration system for comfortable use. the saw seems great the only problem is at full throttle it bogs down. Are the settings off or...? I also adjusted the HI/LOW screw settings. Look for cracks, also look for it to become soft and gummy. Even Stihl makes heavier filter to try and keep sawdust out of engine. 18 comments. If the saw drops at full throttle, not enough gas or air is reaching that chamber. Misses and backfires a little. This ensures a constant maximum speed. Chadwick 13 July 2018 BUYER TO COLLECT FROM OUR STORE NEAR BANBURY … Once it did start it would bog and die with little throttle. Not a daily temperamental deal. … STIHL recommends the use of STIHL MotoMix ® fuel which is pre-mixed with STIHL HP Ultra synthetic oil. no power rpms drop acts like it is going to die let off of it it will pick back up and run fine. I have to keep revving the throttle to get it to come around. I feather the throttle, it revs then bogs again - Answered by a verified Technician We use cookies to give you the best possible experience on our website. I took the carb off and dismantled it; blew out the jets, eyeballed everything. I have a small 011 stihl I use for trimming. Nov 4, 2011 #1 Its the chainsaw on my tag. I'd look at the gas before the oil. starts on the second pull every time, but soon as I turn the throttle all the way up it bogs down and kills. If that doesn't work a new carb. The saw starts great idles good but when I rev it to full thottle it is just like you shut off the gas. Someone reviewed these typical aftermarket air filters on Amazon like this: Filters are much too thin. I can’t say there was one time in particular, but I guess mostly when I put the saw under a load. It starts quickly, cuts quickly and smoothly and makes easy work of removing tree branches, cutting firewood, or any other task that calls for a chainsaw. Kept bogging down at full throttle. The machine is designed to run full throttle. They will plug the airflow or fuel flow, I will find out which today. save hide report. Where do you think the sawdust will go, just evaporate into thin air? If the engine speed exceeds the upper limit of 14,000 rpm the mix is enriched to bring the speed back down to 14,000 rpm. A common reason for what causes a gas weed eater to bog down is actually insufficient fuel. surprisingly some new gas and it started right up.it ran perfect for around 15 minutes, idled and throttled up fine. Stihl MS 170 Chainsaw (MS170D) Parts Diagram Select a page from the Stihl MS 170 Chainsaw diagram to view the parts list and exploded view diagram. Engine Housing. I'm currently having the same problem with mine which is over 2 years old. This new carb cured that issue. it needed a bar and the fuel tank vent so i went and bought those and installed them. Fs 130 bogs down at full throttle after a couple seconds, replaced fuel filter assembly, carburetor is clean, throttle is adjusted right, what am i missing? Took weeks to arrive from China and then visibly defective when delivered. MS170 is 2 years old, suddenly developed a bogging out problem in the middle of a cut. My Stihl MS 250 chainsaw engine would bog down at the strangest times. JavaScript is disabled. I checked the - Answered by a verified Technician ... My 1812 runs very rough, idles a little high a low idle, and a little low at full throttle. If you look at the messages I quoted above, you'll see that others have found the same issue. Now the saw starts and runs, but wants to die under load. Ignition System. Only use high grade oil - it doesn't cost but a few pennies more. Go. Quick Chain Tensioner. ... share. Main Hearth Forums. All parts that fit a MS 170 Chainsaw . As has been stated B4- play with the carb settings. I like mixing at the pump too. If you burn it same day, little difference. Read more. Pages in this diagram. Might want to get a look at the P&C before you buy anything else. My saws all sit out in the unheated building and I never have any issues with basic tune. 1; 2; Next. 2.0 out of 5 stars Don't try holdinng your breath until it arrives, and then allow extra time to repair it. KICKBACK am I looking at a carb rebuild. It just bogs down in the cut. turn the low screw 1/4 ccw and mix 50:1 be safe with the big saw! User account menu. I'm getting good spark and my exhaust and spark arrestor are clean. My suspicion is contamination via the air intake If enough chit went through the filter, where do you think it went? ADVERTENCIA Para reducir el riesgo de lesionarse como resultado de un culatazo, utilice la barra y la cadena de contragolpe reducido de la forma especificada If your chainsaw engine dies at full throttle, check the following parts: the carburetor, fuel lines, fuel filter, air filter, and muffler. The problem I have with my Stihl ms200t chainsaw is it bogs at the initial full throttle from idle then it takes off, besides that it runs great you let it idle a … I drained the gas, put a new plug in.....still no luck. 4. JavaScript is disabled. It takes a keen ear and sometimes a tach to get it just right. Changed the fuel line and filter. So anyhow, I've ran about 25 hours and took it for a tune up. IRIS'S MOM. Quadrafire 4100I. Air Filter. My faithful stihl 024 chainsaw would start but not run today. Next Last. £14.91. Last, but not least, check the tension of the chain on the bar to ensure that it's not adjusted too tightly. Chainsaw Bogging with throttle pressure. yet when it cools some it starts but just bogs down like it has no power. It may affect idle so that may need changed too. When it gets real cold like 10 degrees I do richen up the high side but rarely need to adjust the low. Weather is 30-50 when I'm cutting and I'm trying to run 40:1, 93 only. Gas is fresh. I guess I read the the post but ignored that last part. Fuel is fresh and correctly mixed. Pages in this diagram. Re-chocking (once until it kicks) gets it running again for another 20-30 seconds. ... FOR SALE BY AUCTION WE HAVE THIS USED STIHL MS170 14" CHAINSAW. There is a fine screen over the exhaust called a spark arrestor. Find helpful customer reviews and review ratings for QAZAKY Carburetor Replacement for Stihl 017 018 MS170 MS170C MS180 MS180C Chainsaw 1130-120-0603 11301200603 Zama C1Q-S57 C1Q-S57A C1Q-S57B C1QS57 C1QS57A C1QS57B Carb at Amazon.com. does it run without air filter? Hand Guard. The 2-3 hours of running has been in warmer weather. The problem I have with my Stihl ms200t chainsaw is it bogs at the initial full throttle from idle then it takes off, besides that it runs great you let it idle a couple seconds or minutes and pick it … read more. dealer. STIHL MS 250 WARNING To reduce the risk of kickback injury use STIHL reduced kickback bar and STIHL low kickback chain as specified in this manual or other available low kickback components. Kept bogging down at full throttle. Atmos DC32GS with Laddomat 21G, 720 gallon single tank pressure storage with domestic loop, 500 liter Amtrol ASME exp. ;-). It will not run at full throttle. All parts that fit a MS 170 Chainsaw . save hide report. Took weeks to arrive from China and then visibly defective when delivered. Since you "took it for a tune up" take it back, and ask for a follow-up. So this year I put the new Zama pre-adjusted carb on it, replaced the fuel filter, air filter and spark plug. 18 cords on hand. 1 of 2 Go to page. It will go through the engine, possibly causing wear on piston and some carbon buildup. Muffler screen is clean. those passages are affected by what is in the gas tank. Too leen could lead to premature top end failures and too rich your loosing power. You can still dispense the right amount somewhat accurately. I was considering carb rebuilds, and because the gas was ethanol gas, I chose to pull it … To check whether this could be the cause for your problem, check the amount of fuel you have in the tank. Fs 130 bogs down at full throttle after a couple seconds, replaced fuel filter assembly, carburetor is clean, throttle is adjusted right, what am i missing? Weather is 30-50 … Have a 4-year old Stihl FS45 trimmer that has worked flawlessly every season. If you don't have experience tuning a chainsaw its best to learn from someone that knows how. Its the chainsaw on my tag. Carburetor C1Q … no power rpms drop acts like it is going to die let off of it it will pick back up and run fine. Look at the fuel line closely. Reviewed in the United States on August 6, 2015 . Don't think I have anything left. Stihl manufactures trimmers with two-cycle engines as well as ones with four-cycle engines, and both require a … 5 people found this helpful. Rewind Starter. Haven't had to do one thing to it in 10 years. 3. Prolly sneaking some more ethanol or other fillers in... Glad you got it pinned down. Back out 1/8 turn at a time and try. If I open the throttle fully it quits instantly. STARTS AND RUNS. Gee, I could have sworn that air pocket was out of the gas line! You are using an out of date browser. Jan 4, 2010 126 Someplace in WMass. Good point, Jay. WE LIST THIS AS SPARES OR REPAIRS AS IT BOGS DOWN ON FULL REVS AND UNDER LOAD , SO WILL REQUIRE SOME SERVICE WORK AND TUNING UP. See the seller’s listing for full details and description of any imperfections. 1.8k members in the stihl community. When you depress the trigger, a vent on the carburetor opens, allowing more gas to reach the mixing chamber. IRIS'S MOM. I got a Stihl backpack blower at the start of this season which I really loved. I run a tiny Stihl MS150. It bogs down it seems and stalls out when I open the throttle. Stihl MS170 Review If you want a powerful chainsaw, the small model Stihl MS170 is a good choice. Close. When I started cutting with it, it would bog down and then I would stop and rev the engine. This is a Sthil FG75 Blower with a Zama C1Q carb, the carb does not have a H and L adjustment screws, only the single Main Fuel Adjustment screw. Briggs-Fan. It does have a cold air intake setting but nothing other than that. I played with a different batch of 93 and made sure it was 40:1. It bogs down it seems and stalls out when I open the throttle. I can keep it running if I feather the throttle, but it still wants to bog down and quit. I'm very good at tuning and still when I raced I had someone even more experienced tune my saw to get a few hundredths a sec more from it. It bogs down it seems and stalls out when I open the throttle. Chain spins freely. 2.) 2,794 satisfied customers. i got this stihl 021 free from a friend. So anything that causes a change in air velocity through the carb will change the mixture, but these carbs are non-adjustable. I guess I don't shop at ALL of the gas stations, though, so maybe luck doesn't have much to do with it. The Gear . My neighbor's Stihl chainsaw was bogging down so I said I'd take a look at it. Posted by 18 hours ago. The saw starts great idles good but when I rev it to full thottle it is just like you shut off the gas. I know in your first post you were saying your gas was fresh. Put in new gas mix. try some seafoam, fixed my problem that was similar. STIHL MotoMix ® contains no ethanol and has a storage life of up to two years. Ms170 vs ms180. The carburetors used almost every Stihl power tool is called an all position diaphragm with integrated fuel pump. stihl ms170 bog down. My 1997 Stihl TS 510 Brazilian made cut off saw (same metal base as a chainsaw, carb's a Tillotson) ran well for 10 minutes, then lost power if under load, but would spin up if not under load and sound ok, but bog down again if loaded. Thread starter panic101; Start date Oct 19, 2009; panic101. Posted by 2 days ago. Clean out the screen in carb like moutainlake suggests. Posted by 2 months ago. In all fairness to Stihl, I think I am to blame here for buying cheap-ass Chinese filters that are too thin to seal out the airborne sawdust. If I have the choke off it will idle for a bit but as soon as I go to give it throttle it sounds like i bogs down … Report abuse. You don't have a winter setting like on some of the stihls, do you? the sawdust will go into the engine not into the passages of the carb. Although certain unauthorized attachments are useable WARNING To reduce the risk of . By J.D. Oct 19, 2009. 4. For a better experience, please enable JavaScript in your browser before proceeding. 39B25E8A-293B-42E7-8DE1-943AB026A2EA.jpeg, BFA1D4DD-737A-4B73-B4FF-F440B5C886A6.jpeg, 888A5D3F-13C0-4D03-AAC6-F91D1E8DD757.jpeg, 1234B877-B08C-4178-8C84-62510FCE5D3A.jpeg, 8C7B60B8-597B-4349-A812-70251BA441D1.jpeg, Home Made Pellet Stove Controller (2).JPG, 71A87E55-8AA5-4F49-99FE-9B2E3AE0DDC2.jpeg, B51E5072-2B82-4EE7-98B9-A2C979813827.jpeg. Retro fitting an adjustable non EPA carb onto a Stihl 017 that's Bogs Down in place of the EPA non adjustable carb to bring it back to life. Chain Saw: Engine Will Idle But Dies At Full Throttle . 120 ft hank of rope and a small tool box​. Air Filter. Examine the surface afterward to look for a light line of oil made up of small dots to prove that the oil is emerging from the reservoir. I have a small 011 stihl I use for trimming.
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