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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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#1
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sorta-OT Small Engine stalling
Hi, guys:-
I have a relativley new Husqvarna 130BT 29.5 cc 2-stroke backpack leaf blower and it has a stalling problem- runs for some time (maybe 30 seconds or maybe 5 minutes) then slows down and (usually) stalls or sometimes speeds up again. It pretty much restarts immediately with a pull. Fresh gas properly mixed with 2-stroke oil 50:1 as recommended. Cleaned the gasoline pickup, tried loosening the gas cap in case the vent was plugged. Any ideas? http://images.lowes.com/product/conv...88505029lg.jpg There's apparently no manual choke (the usual primer bulb) but a lever that has open and closed on it- it really only runs continuously in one position (and the compression seems to be gone in other position). The manual (such as it is- it covers three models) is silent on what should be done with it. Best regards, Spehro Pefhany -- "it's the network..." "The Journey is the reward" Info for manufacturers: http://www.trexon.com Embedded software/hardware/analog Info for designers: http://www.speff.com |
#2
Posted to rec.crafts.metalworking
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sorta-OT Small Engine stalling
On Sat, 15 Nov 2014 23:45:34 -0500, Spehro Pefhany
wrote: Hi, guys:- I have a relativley new Husqvarna 130BT 29.5 cc 2-stroke backpack leaf blower and it has a stalling problem- runs for some time (maybe 30 seconds or maybe 5 minutes) then slows down and (usually) stalls or sometimes speeds up again. It pretty much restarts immediately with a pull. Fresh gas properly mixed with 2-stroke oil 50:1 as recommended. Cleaned the gasoline pickup, tried loosening the gas cap in case the vent was plugged. It certainly points to a plugged vent condition. Are you sure you loosened the cap enough to clearly vent the tank? Any ideas? http://images.lowes.com/product/conv...88505029lg.jpg There's apparently no manual choke (the usual primer bulb) but a lever that has open and closed on it- it really only runs continuously in one position (and the compression seems to be gone in other position). The manual (such as it is- it covers three models) is silent on what should be done with it. Loose carburetor screws might cause that. The flange could warp as the engine warms and cause a lean mixture and stall. -- I started out with nothing and I still have most of it left! --anon |
#3
Posted to rec.crafts.metalworking
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sorta-OT Small Engine stalling
On Sat, 15 Nov 2014 23:45:34 -0500, Spehro Pefhany
wrote: Hi, guys:- I have a relativley new Husqvarna 130BT 29.5 cc 2-stroke backpack leaf blower and it has a stalling problem- runs for some time (maybe 30 seconds or maybe 5 minutes) then slows down and (usually) stalls or sometimes speeds up again. It pretty much restarts immediately with a pull. Fresh gas properly mixed with 2-stroke oil 50:1 as recommended. Cleaned the gasoline pickup, tried loosening the gas cap in case the vent was plugged. Any ideas? http://images.lowes.com/product/conv...88505029lg.jpg There's apparently no manual choke (the usual primer bulb) but a lever that has open and closed on it- it really only runs continuously in one position (and the compression seems to be gone in other position). The manual (such as it is- it covers three models) is silent on what should be done with it. Best regards, Spehro Pefhany I had this problem twice occuring to a 4 stroke Ryobi weed eater. The problem was in the carb. In both cases I carefully took apart and cleaned the carb using the carb cleaner that comes in a spray can and has that litle red tube that is really good for blasting the cleaner through tiny passages. When I looked at the carb internals I could not see where or what the contamination was except that there was a sort of brownish residue coating various parts of the internals. All I know for sure is that in both cases the thing would start losing power and then die. I could do the restart thing a few times but then the engines would only idle, and would die as soon as I pulled the throttle trigger. Eric Eric |
#5
Posted to rec.crafts.metalworking
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sorta-OT Small Engine stalling
Spehro Pefhany wrote:
On Sun, 16 Nov 2014 08:07:11 -0800, the renowned wrote: On Sat, 15 Nov 2014 23:45:34 -0500, Spehro Pefhany wrote: Hi, guys:- I have a relativley new Husqvarna 130BT 29.5 cc 2-stroke backpack leaf blower and it has a stalling problem- runs for some time (maybe 30 seconds or maybe 5 minutes) then slows down and (usually) stalls or sometimes speeds up again. It pretty much restarts immediately with a pull. Fresh gas properly mixed with 2-stroke oil 50:1 as recommended. Cleaned the gasoline pickup, tried loosening the gas cap in case the vent was plugged. Any ideas? http://images.lowes.com/product/conv...88505029lg.jpg There's apparently no manual choke (the usual primer bulb) but a lever that has open and closed on it- it really only runs continuously in one position (and the compression seems to be gone in other position). The manual (such as it is- it covers three models) is silent on what should be done with it. Best regards, Spehro Pefhany I had this problem twice occuring to a 4 stroke Ryobi weed eater. The problem was in the carb. In both cases I carefully took apart and cleaned the carb using the carb cleaner that comes in a spray can and has that litle red tube that is really good for blasting the cleaner through tiny passages. When I looked at the carb internals I could not see where or what the contamination was except that there was a sort of brownish residue coating various parts of the internals. All I know for sure is that in both cases the thing would start losing power and then die. I could do the restart thing a few times but then the engines would only idle, and would die as soon as I pulled the throttle trigger. Eric Eric Thanks, Eric & Larry- I was afraid of that. Bad memories from working on lawnmowers. I'll take the carb apart and blast it with carb cleaner, prob next weekend. New carbs are too pricey to consider ($130+ with shipping). Does it pump gas through the black hose (with filter attached) and return unused fuel through the clear hose that's just hanging in the tank? Best regards, Spehro Pefhany That's the way most of them work . I've had pretty good luck finding replacement carbs on ebay for my small engines at around 20 bucks or so . Looked for yours , found only complete blower units and a couple of carb kits plus some misc parts . Before I took anything apart though I'd run some seafoam or B12 chemtool thru it . Sounds to me like intermittent plugging from gunk getting loose in the passages . -- Snag |
#6
Posted to rec.crafts.metalworking
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sorta-OT Small Engine stalling
On Sat, 15 Nov 2014 23:45:34 -0500
Spehro Pefhany wrote: Hi, guys:- I have a relativley new Husqvarna 130BT 29.5 cc 2-stroke backpack leaf blower and it has a stalling problem- runs for some time (maybe 30 seconds or maybe 5 minutes) then slows down and (usually) stalls or sometimes speeds up again. It pretty much restarts immediately with a pull. snip We have mud dauber wasps around. They like to build their mud-nests in the exhaust, plugging it quite effectively. I tore the carburetor apart and cleaned it twice before it finally dawned on me that it didn't sound right when it did run. Felt really stupid when I spotted the mud-dauber nest. Poked it out with a screw driver. Got so I would leave something stuck in the exhaust port so they couldn't build a nest there. Just something else to look for... -- Leon Fisk Grand Rapids MI/Zone 5b Remove no.spam for email |
#7
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sorta-OT Small Engine stalling
On Sun, 16 Nov 2014 15:48:40 -0400
Leon Fisk wrote: Nice write up here on those little carbs: http://www.baja5b.lv/wp-content/uplo...r%20Theory.pdf -- Leon Fisk Grand Rapids MI/Zone 5b Remove no.spam for email |
#8
Posted to rec.crafts.metalworking
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sorta-OT Small Engine stalling
On Sun, 16 Nov 2014 13:06:26 -0600, the renowned "Terry Coombs"
wrote: That's the way most of them work . I've had pretty good luck finding replacement carbs on ebay for my small engines at around 20 bucks or so . Looked for yours , found only complete blower units and a couple of carb kits plus some misc parts . Before I took anything apart though I'd run some seafoam or B12 chemtool thru it . Sounds to me like intermittent plugging from gunk getting loose in the passages . -- Snag Hey, great idea Snag, I have a can of seafoam on the shelf. Best regards, Spehro Pefhany -- "it's the network..." "The Journey is the reward" Info for manufacturers: http://www.trexon.com Embedded software/hardware/analog Info for designers: http://www.speff.com |
#9
Posted to rec.crafts.metalworking
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sorta-OT Small Engine stalling
On Sun, 16 Nov 2014 15:56:45 -0400, the renowned Leon Fisk
wrote: On Sun, 16 Nov 2014 15:48:40 -0400 Leon Fisk wrote: Nice write up here on those little carbs: http://www.baja5b.lv/wp-content/uplo...r%20Theory.pdf Thanks, Leon. I'll read that before ripping it apart if it comes to that. Found an exploded diagram for P/N 504116101 http://images.partstree.com/?l=husqv...6\18\0010&z=40 Best regards, Spehro Pefhany -- "it's the network..." "The Journey is the reward" Info for manufacturers: http://www.trexon.com Embedded software/hardware/analog Info for designers: http://www.speff.com |
#10
Posted to rec.crafts.metalworking
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sorta-OT Small Engine stalling
On Sun, 16 Nov 2014 12:39:57 -0500, Spehro Pefhany wrote:
On Sun, 16 Nov 2014 08:07:11 -0800, the renowned wrote: On Sat, 15 Nov 2014 23:45:34 -0500, Spehro Pefhany wrote: Hi, guys:- I have a relativley new Husqvarna 130BT 29.5 cc 2-stroke backpack leaf blower and it has a stalling problem- runs for some time (maybe 30 seconds or maybe 5 minutes) then slows down and (usually) stalls or sometimes speeds up again. It pretty much restarts immediately with a pull. Fresh gas properly mixed with 2-stroke oil 50:1 as recommended. Cleaned the gasoline pickup, tried loosening the gas cap in case the vent was plugged. Any ideas? http://images.lowes.com/product/conv...88505029lg.jpg There's apparently no manual choke (the usual primer bulb) but a lever that has open and closed on it- it really only runs continuously in one position (and the compression seems to be gone in other position). The manual (such as it is- it covers three models) is silent on what should be done with it. Best regards, Spehro Pefhany I had this problem twice occuring to a 4 stroke Ryobi weed eater. The problem was in the carb. In both cases I carefully took apart and cleaned the carb using the carb cleaner that comes in a spray can and has that litle red tube that is really good for blasting the cleaner through tiny passages. When I looked at the carb internals I could not see where or what the contamination was except that there was a sort of brownish residue coating various parts of the internals. All I know for sure is that in both cases the thing would start losing power and then die. I could do the restart thing a few times but then the engines would only idle, and would die as soon as I pulled the throttle trigger. Eric Eric Thanks, Eric & Larry- I was afraid of that. Bad memories from working on lawnmowers. I'll take the carb apart and blast it with carb cleaner, prob next weekend. New carbs are too pricey to consider ($130+ with shipping). Does it pump gas through the black hose (with filter attached) and return unused fuel through the clear hose that's just hanging in the tank? If you really don't want to mess with it you could take it to a small engine repair place. Surely there's someone up there in the wilds of Canada that would do such work. (We have two local places around here that are both excellent -- so I'm spoiled). -- www.wescottdesign.com |
#11
Posted to rec.crafts.metalworking
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sorta-OT Small Engine stalling
On Sun, 16 Nov 2014 12:39:57 -0500, Spehro Pefhany
wrote: On Sun, 16 Nov 2014 08:07:11 -0800, the renowned wrote: On Sat, 15 Nov 2014 23:45:34 -0500, Spehro Pefhany wrote: Hi, guys:- I have a relativley new Husqvarna 130BT 29.5 cc 2-stroke backpack leaf blower and it has a stalling problem- runs for some time (maybe 30 seconds or maybe 5 minutes) then slows down and (usually) stalls or sometimes speeds up again. It pretty much restarts immediately with a pull. Fresh gas properly mixed with 2-stroke oil 50:1 as recommended. Cleaned the gasoline pickup, tried loosening the gas cap in case the vent was plugged. Any ideas? http://images.lowes.com/product/conv...88505029lg.jpg There's apparently no manual choke (the usual primer bulb) but a lever that has open and closed on it- it really only runs continuously in one position (and the compression seems to be gone in other position). The manual (such as it is- it covers three models) is silent on what should be done with it. Best regards, Spehro Pefhany I had this problem twice occuring to a 4 stroke Ryobi weed eater. The problem was in the carb. In both cases I carefully took apart and cleaned the carb using the carb cleaner that comes in a spray can and has that litle red tube that is really good for blasting the cleaner through tiny passages. When I looked at the carb internals I could not see where or what the contamination was except that there was a sort of brownish residue coating various parts of the internals. All I know for sure is that in both cases the thing would start losing power and then die. I could do the restart thing a few times but then the engines would only idle, and would die as soon as I pulled the throttle trigger. Eric Eric Thanks, Eric & Larry- I was afraid of that. Bad memories from working on lawnmowers. I'll take the carb apart and blast it with carb cleaner, prob next weekend. Be sure to look at the gasket to see if it shows any signs of dirt being sucked in past any portions of it. Note if either of the screws was loose, too. G'luck! New carbs are too pricey to consider ($130+ with shipping). Indeed. Does it pump gas through the black hose (with filter attached) and return unused fuel through the clear hose that's just hanging in the tank? Yup. -- I started out with nothing and I still have most of it left! --anon |
#12
Posted to rec.crafts.metalworking
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sorta-OT Small Engine stalling
Through the years I've gotten away from ethanol for mowers and 2 stroke tools....anything that may sit for extended periods. Some of the stations sell 100% gas for a premium. Others I know use additives to overcome ethanol use. I've had the fuel and return lines deteriorate thru time to the extent the intank filter came loose from the line. A severe crack or break is pretty evident...a smaller one could cause the intermittent problems you describe. |
#13
Posted to rec.crafts.metalworking
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sorta-OT Small Engine stalling
On 11/16/2014 11:07 AM, wrote:
On Sat, 15 Nov 2014 23:45:34 -0500, Spehro Pefhany wrote: Hi, guys:- I have a relativley new Husqvarna 130BT 29.5 cc 2-stroke backpack leaf blower and it has a stalling problem- runs for some time (maybe 30 seconds or maybe 5 minutes) then slows down and (usually) stalls or sometimes speeds up again. It pretty much restarts immediately with a pull. Fresh gas properly mixed with 2-stroke oil 50:1 as recommended. Cleaned the gasoline pickup, tried loosening the gas cap in case the vent was plugged. Any ideas? http://images.lowes.com/product/conv...88505029lg.jpg There's apparently no manual choke (the usual primer bulb) but a lever that has open and closed on it- it really only runs continuously in one position (and the compression seems to be gone in other position). The manual (such as it is- it covers three models) is silent on what should be done with it. Best regards, Spehro Pefhany I had this problem twice occuring to a 4 stroke Ryobi weed eater. The problem was in the carb. In both cases I carefully took apart and cleaned the carb using the carb cleaner that comes in a spray can and has that litle red tube that is really good for blasting the cleaner through tiny passages. When I looked at the carb internals I could not see where or what the contamination was except that there was a sort of brownish residue coating various parts of the internals. All I know for sure is that in both cases the thing would start losing power and then die. I could do the restart thing a few times but then the engines would only idle, and would die as soon as I pulled the throttle trigger. Eric Eric Zima carb? I think there is a replacement made by somebody else that is much better. I hear nothing good about Zimas. |
#14
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sorta-OT Small Engine stalling
On 11/16/2014 12:39 PM, Spehro Pefhany wrote:
Thanks, Eric & Larry- I was afraid of that. Bad memories from working on lawnmowers. I'll take the carb apart and blast it with carb cleaner, prob next weekend. New carbs are too pricey to consider ($130+ with shipping). Does it pump gas through the black hose (with filter attached) and return unused fuel through the clear hose that's just hanging in the tank? Best regards, Spehro Pefhany Look on ebay. |
#15
Posted to rec.crafts.metalworking
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sorta-OT Small Engine stalling
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#16
Posted to rec.crafts.metalworking
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sorta-OT Small Engine stalling
In article ,
what says... Hi, guys:- I have a relativley new Husqvarna 130BT 29.5 cc 2-stroke backpack leaf blower and it has a stalling problem- runs for some time (maybe 30 seconds or maybe 5 minutes) then slows down and (usually) stalls or sometimes speeds up again. It pretty much restarts immediately with a pull. Fresh gas properly mixed with 2-stroke oil 50:1 as recommended. Cleaned the gasoline pickup, tried loosening the gas cap in case the vent was plugged. Any ideas? Total novice here but the symptoms sound pretty close to what happend with my chainsaw earlier this year. Does it have a spark arrestor and if it does, is the spark arrestor clogged with carbon? --- This email is free from viruses and malware because avast! Antivirus protection is active. http://www.avast.com |
#17
Posted to rec.crafts.metalworking
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sorta-OT Small Engine stalling
I have a relativley new Husqvarna 130BT 29.5 cc 2-stroke backpack leaf blower and it has a stalling problem- runs for some time (maybe 30 seconds or maybe 5 minutes) then slows down and (usually) stalls or sometimes speeds up again. It pretty much restarts immediately with a pull. Fresh gas properly mixed with 2-stroke oil 50:1 as recommended. Cleaned the gasoline pickup, tried loosening the gas cap in case the vent was plugged. Any ideas? A lot of the small 2-strokes use pressurized tanks, so loosening the cap is the wrong strategy with them. Those that work that way often have a diaphragm pump that keeps the pressure on the fuel; sometimes part of (or at least acting as a base for) the carb. A sticky ball valve in that pump could cause what you're seeing. Some use flapper valves -- more likely to fail sooner and outright, but less likely to stick. Lloyd |
#18
Posted to rec.crafts.metalworking
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sorta-OT Small Engine stalling
On Tuesday, November 18, 2014 7:56:48 PM UTC-5, phorbin wrote:
In article , what says... Hi, guys:- I have a relativley new Husqvarna 130BT 29.5 cc 2-stroke backpack leaf blower and it has a stalling problem- runs for some time (maybe 30 seconds or maybe 5 minutes) then slows down and (usually) stalls or sometimes speeds up again. It pretty much restarts immediately with a pull. Fresh gas properly mixed with 2-stroke oil 50:1 as recommended. Cleaned the gasoline pickup, tried loosening the gas cap in case the vent was plugged. Any ideas? Total novice here but the symptoms sound pretty close to what happend with my chainsaw earlier this year. Does it have a spark arrestor and if it does, is the spark arrestor clogged with carbon? --- This email is free from viruses and malware because avast! Antivirus protection is active. http://www.avast.com Spark arrestor, seconded. Jim H. |
#19
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sorta-OT Small Engine stalling
On Wed, 19 Nov 2014 15:22:44 -0800 (PST), the renowned Jim Hornaday
wrote: On Tuesday, November 18, 2014 7:56:48 PM UTC-5, phorbin wrote: In article , what says... Hi, guys:- I have a relativley new Husqvarna 130BT 29.5 cc 2-stroke backpack leaf blower and it has a stalling problem- runs for some time (maybe 30 seconds or maybe 5 minutes) then slows down and (usually) stalls or sometimes speeds up again. It pretty much restarts immediately with a pull. Fresh gas properly mixed with 2-stroke oil 50:1 as recommended. Cleaned the gasoline pickup, tried loosening the gas cap in case the vent was plugged. Any ideas? Total novice here but the symptoms sound pretty close to what happend with my chainsaw earlier this year. Does it have a spark arrestor and if it does, is the spark arrestor clogged with carbon? --- This email is free from viruses and malware because avast! Antivirus protection is active. http://www.avast.com Spark arrestor, seconded. Jim H. Okay, I burned off the spark arrestor with propane torch (it was about 15% fouled), disassembled and cleaned every bit of the carburetor, and replaced the fuel with Shell's best grade with 0% ethanol (and 1:50 2-stroke oil, of course) and cleaned the fuel filter again and it runs like a top. The choke even does sensible things again. Thanks, all. Best regards, Spehro Pefhany -- "it's the network..." "The Journey is the reward" Info for manufacturers: http://www.trexon.com Embedded software/hardware/analog Info for designers: http://www.speff.com |
#20
Posted to rec.crafts.metalworking
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sorta-OT Small Engine stalling
"Spehro Pefhany" wrote in message
... Okay, I burned off the spark arrestor with propane torch (it was about 15% fouled), disassembled and cleaned every bit of the carburetor, and replaced the fuel with Shell's best grade with 0% ethanol (and 1:50 2-stroke oil, of course) and cleaned the fuel filter again and it runs like a top. The choke even does sensible things again. Thanks, all. Best regards, Spehro Pefhany A fair percentage of the time disassembling and blowing out the carb solves problems even though I don't find a visible fault. A few times I've found gelled gasoline clogging the main jet. http://www.beginnerbikers.org/showth...elled-gasoline -jsw |
#21
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sorta-OT Small Engine stalling
On Sun, 23 Nov 2014 18:27:08 -0500, Spehro Pefhany
wrote: On Wed, 19 Nov 2014 15:22:44 -0800 (PST), the renowned Jim Hornaday wrote: On Tuesday, November 18, 2014 7:56:48 PM UTC-5, phorbin wrote: In article , what says... Hi, guys:- I have a relativley new Husqvarna 130BT 29.5 cc 2-stroke backpack leaf blower and it has a stalling problem- runs for some time (maybe 30 seconds or maybe 5 minutes) then slows down and (usually) stalls or sometimes speeds up again. It pretty much restarts immediately with a pull. Fresh gas properly mixed with 2-stroke oil 50:1 as recommended. Cleaned the gasoline pickup, tried loosening the gas cap in case the vent was plugged. Any ideas? Total novice here but the symptoms sound pretty close to what happend with my chainsaw earlier this year. Does it have a spark arrestor and if it does, is the spark arrestor clogged with carbon? --- This email is free from viruses and malware because avast! Antivirus protection is active. http://www.avast.com Spark arrestor, seconded. Jim H. Okay, I burned off the spark arrestor with propane torch (it was about 15% fouled), disassembled and cleaned every bit of the carburetor, and replaced the fuel with Shell's best grade with 0% ethanol (and 1:50 2-stroke oil, of course) and cleaned the fuel filter again and it runs like a top. The choke even does sensible things again. Thanks, all. Goodonya, mate. It's too bad, though, that you didn't think to try running it in between each process to figure out which was the true culprit. Chances are high that it was the carb, but I really like to know those things with my own equipment, knowwhatImean,Vern? It can save time the next time around. -- "Government is not reason; it is not eloquent; it is force. Like fire, it is a dangerous servant and a fearful master." --George Washington |
#22
Posted to rec.crafts.metalworking
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sorta-OT Small Engine stalling
On Sun, 23 Nov 2014 18:17:36 -0800, the renowned Larry Jaques
wrote: Goodonya, mate. It's too bad, though, that you didn't think to try running it in between each process to figure out which was the true culprit. Chances are high that it was the carb, but I really like to know those things with my own equipment, knowwhatImean,Vern? It can save time the next time around. Larry, I actually did between several of the processes, but it was not definitive- some things *changed* for the better but didn't fix the problem 100% until I got to the end. Next time if it acts up similarly I will follow this sequence: 1. Clean/replace fuel filter (and fresh fuel with 0% ethanol if there's any question) 2. Check/clean air filter and spark arrestor (they're both easy and fast) 3. Disassemble and clean carb completely (replace gaskets and perhaps check valves if old) (of course if it had seen a lot of use, I'd check the spark plug too and check fuel lines for cracks etc.) Best regards, Spehro Pefhany -- "it's the network..." "The Journey is the reward" Info for manufacturers: http://www.trexon.com Embedded software/hardware/analog Info for designers: http://www.speff.com |
#23
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sorta-OT Small Engine stalling
On Mon, 24 Nov 2014 02:11:25 -0500, Spehro Pefhany
wrote: On Sun, 23 Nov 2014 18:17:36 -0800, the renowned Larry Jaques wrote: Goodonya, mate. It's too bad, though, that you didn't think to try running it in between each process to figure out which was the true culprit. Chances are high that it was the carb, but I really like to know those things with my own equipment, knowwhatImean,Vern? It can save time the next time around. Larry, I actually did between several of the processes, Oh, good. but it was not definitive- some things *changed* for the better but didn't fix the problem 100% until I got to the end. Yeah, that points to lots of things contributing to the poor running, but it sounds like the major contributor was a clogged carb. Next time if it acts up similarly I will follow this sequence: 1. Clean/replace fuel filter (and fresh fuel with 0% ethanol if there's any question) 2. Check/clean air filter and spark arrestor (they're both easy and fast) 3. Disassemble and clean carb completely (replace gaskets and perhaps check valves if old) (of course if it had seen a lot of use, I'd check the spark plug too and check fuel lines for cracks etc.) Excellent list. -- "Government is not reason; it is not eloquent; it is force. Like fire, it is a dangerous servant and a fearful master." --George Washington |
#24
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sorta-OT Small Engine stalling
On Sun, 23 Nov 2014 18:54:24 -0500, "Jim Wilkins"
wrote: "Spehro Pefhany" wrote in message .. . Okay, I burned off the spark arrestor with propane torch (it was about 15% fouled), disassembled and cleaned every bit of the carburetor, and replaced the fuel with Shell's best grade with 0% ethanol (and 1:50 2-stroke oil, of course) and cleaned the fuel filter again and it runs like a top. The choke even does sensible things again. Thanks, all. Best regards, Spehro Pefhany A fair percentage of the time disassembling and blowing out the carb solves problems even though I don't find a visible fault. A few times I've found gelled gasoline clogging the main jet. http://www.beginnerbikers.org/showth...elled-gasoline -jsw All the more reason to put the ethanol into people and keep it out of small engines! --- Gerry :-)} London,Canada |
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