You can likely skip to the next section. Try using an unlighted propane torch, and pass it over the carb then open the choke, if the propane keeps the engine running that will confirm the need to plug holes down stream of the carb. (0:10)What to do with a dirty/damaged carburetor (0:17)How to test your cleaned carburetor (0:35)***************************************Did you find this video helpful? These go hand in hand and both result in the generator sucking way more air into the intake than there is fuel to mix with and will lead to stalling. The unit only starts with choke closed and throttle wide open. for the engine to run. To fix the problem you should check and clean the fuel system and carburator. Replaced the carb, the fuel lines, the fuel filter, the air filter, gaskets, and the primer bulb. OK sorry guys yes back to the original problem, I pulled the carb off and yes choke is on when up and it only runs in the up position. I couldn't get it to run at all with the original carb even after a thorough cleaning. Turned out the air metering plug( black plastic ribbed plug under the black plastic plug under the black plastic screw) was missing its lower tiny oring on the original AND the gas had gone bad after 6 months. Then, when you turn the choke off, it becomes much too lean and will not run. Luckily, this is an easy fix and you can probably take care of it without removing your carburetor. Solution. When it's open, the carb could completely bypass the idle circuit and run solely on the EC. This site is owned and operated by Robert Van Nuck. To me that would indicate an air leak somewhere in the carb, but if the gaskets are good between carb and engine, what could it be? Using a single bristle from a wire brush or burning the paper/plastic off the end of a twist tie, ream out the hole in the jet. ... Carb Cleaning Methods. I like Berryman Chemtool. link to What Happens If You Disconnect the Positive Terminal First? I disassembled, cleaned, and installed a rebuild kit in my carb. Apr 23, 2010 #1 The good news is I now have a kenlowe, oil gauge, 2nd temp gauge and rev counter all fitted and wired up! It was leakage by the o ring. If you have carburetor cleaner spray, now would be a good time to spray it through that jet hole for good measure. My 1996 klr650 only runs with the choke on. On many carburetors, the gasoline has to first pass through the main jet and is then diverted through the idle circuit to the pilot jet. 7,711. allen pierce . Once it had warmed up sufficiently I pushed the choke in and the bike dies. However, the C1U-W32 uses repair kit RB-142 and diaphgram/gasket kit GND-78. Hi Guys I've got another one here that's got me scratching my head. Most times somebody brings a bike to me and it will only run on EC, it's either clogged jet, clogged circuits, or a vacuum leak. This is a pretty simple thing to diagnose and fix. Problem. Hey guys, a friend of mine has a G2 and it will only run with the choke half out. A good tune means the engine should start By comparison, race carburetors are purpose built for specific applications. When you shut off your generator for storage, turn the fuel valve off while the engine is running to allow the carburetor to use up the remaining fuel in the bowl and preventing this fuel from oxidizing around your main jet. Share This Post. If your carburetor is not tightened properly to the intake, it will cause a vacuum between the two and the intake to the combustion chamber will suck in far more air than it knows what to do with. Running with false enrichining like the choke does, indicates an lean condition. He has had this problem since he bought it, he rebuilt the carb and had the same problem. :congrats: lil buddy, keep that helmet strapped on tight!!! Just a quick video of a very common problem from the ethanol fuel, its an easy repair.Needle and seat https://amzn.to/2M80bdW Sep 21, 2017 • FAQ. When I re-installed the carb now the only way the tractor will idle or run full throttle is with the choke fully closed. My 600 used to only run on full or half choke at the beginning of the season. Tighten everything up properly and replace any gaskets that are compromised. Then it will need to be re-assembled and tested to ensure that the carburetor cleaning did its job in fixing the my lawn mower will only run of full choke problem. Then, remove the plastic insert (if it has one). 1 of 2 Go to page. I also just tried to run it with my figers blocking half the about 3/4 of the intake and still would not run with the choke off. I know exactly where you’re at right now. Only runs when choke is on. Hey guys, a friend of mine has a G2 and it will only run with the choke half out. I pulled the air tube off thinking it might be the air filter. We removed the carb. Before gasoline can be drawn up from the bowl of the carburetor, mixed to the proper fuel to air ration, and pulled into the intake, the gasoline must first pass through the main jet. Replaced it and works great. Discussion in 'Engine, Fuel and Exhaust' started by Relax N Ride, Sep 3, 2011. The large tubes that run laterally through the screw will almost always be fine, but the small brass hole on the bottom of the screw can easily get gummed up or clogged. You can get new carbs cheap but if your considering upgrading now is a good time. I have rebuilt the carb and got it running, but it will only run if the choke is full on. It would only run on choke. Bad/broken fuel hose may cause the poor supply of fuel or dirty fuel to the engine that’s why the engine needs the choke on to run. He has had this problem since he bought it, he rebuilt the carb and had the same problem. I know the gas is good, because I filled up all of my mower's at the same place and time. First, shut off the fuel valve. Only runs when choked. Now, let’s see if we have an excess of air. If you need to swap out a car battery for the first time or disconnect it for some reason, you may find yourself wondering which terminal needs to be disconnected first. No changes. Thanks, Paul Honda four stroke runs only if choked 05-08-2005, 04:26 PM Howdy...My friend has a 15 horse power Honda 4 stroke outboard that will only run with the choke on or my hand over the intake. I sprayed some carb cleaner around the engine intake between carb and engine, no … So, why does a motorcycle only run with the choke on? It starts fine with choke on, but as soon as i slide the choke off it stalls.. If not, you’ll probably still be fine for now. I took the carb. When I went to start it I pulled out the choke and the bike started fine. It will not idle unless throttle is applied. Nubs Cartaholic - V.I.P. Relax N Ride New Member. The car now will only run with Full choke, as soon as I let out of choke it sputters and dies, I checked the timming and it is fine everything seems to be good but still wont run with out choke. A clogged main jet in the carburetor, a clogged pilot jet, stale fuel, or leaky gaskets around the carburetor are the most likely culprits. 1 0 0. If i give it any gas, it dies and when i take the choke off, it dies. Thanks the expert that give their advised. It's been out of service for 20 years, and I'm trying to revive it. To drain out old gas, first, turn off the fuel valve. Because you’ve had the pleasure of leaving stale gasoline in your tank, it has done what untreated gas does when it oxidizes — turn to varnish. link to Can I Use a Different Battery in my Car? Once it's running, it only runs for 10 secs, or so,before it dies. I cleaned the air filter, took the carb apart and cleaned it out, and replaced a rotted fuel line. Have you ever fired up your generator, only to find out that it dies every time you try to turn off the choke? HotRodCarts Cartaholic. Will rev up, but only after about 5 minutes when the engine is warm. When your chainsaw only runs if the choke is on the problem, in most cases, is a result of fuel supply problems or a faulty carburetor. any time you need the choke on for the engine to run you are shutting down the air flow because there is not enough fuel getting to the cyl. The advice given on this website is for informational purposes only. allen pierce. Home Battery Bank is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. As soon as the thotle is off ... and I have seen a hint on the internet that yours may be a copy of a Zama. I e-mailed Patrick at Pro Systems about a street carb for my ZZ454. C. cuda6768 New Member. Everyone says its a clogged pilot jet, however I just cleaned it and still have the same problem. This just pops up by hand or by gently prying with a flat head screwdriver. I own a Sx600 and SRX700, both will go lean or rich if not kept meticulous. Only runs when choked. I just installed a new, in the box, Briggs and Stratton carburetor, part number 498298 (original carb is 492611). Let us know what you did to solve it in the comments below!Here's what you need to know:What's causing this symptom? Thanks, Paul . My 5hp Briggs and Stratton Horizontal, diaphragm carburetor, mechanical governor, will only run on full choke. Reassemble everything and more than likely you’ll be back in business. I’d say that there is a 95% chance that you’ve solved your problem. Follow the remaining advice below and then proceed to the next section. I just installed a torker 289 and a edelbrock 1405 600cfm carb on my 302 HO. Turn on the fuel valve and let the tank empty. If you’re still having issues, we’ll try one more thing before we might have to throw in the towel and take it to a professional. Working with electricity can be deadly if you are not careful. Thanks experts. I have a used stihl fs85t with a zama carb. With the jet removed, you’ll likely see no daylight through the small pinhole, or it will be restricted by a varnish substance. I pulled the carb off 3 times so far tonight and used 2 cans of carb cleaner with no luck.. Am I missing something here? Was that fuel treated with stabilizer like SeaFoam or Stabil? Note: this is a general repair guide. Best of luck with your power outage and I hope the next time you need to start your generator it’ll be a lot easier! This blog post will show you the steps to fix the choke issue. Place a piece of duct tape on your generator and gas can and write the date of purchase and whether it’s treated or untreated with a marker. It's a weedeater featherlite trimmer. So, fuel hose isn’t out of this circle. On these, that "choke" isn't a choke. Share This Post. It would not start at all unless you put gas down the carb. elitr6 Offroader . While the choke is fully closed, the unit starts and idles slow. Feb 22, 2013 #1 95 EZGO gas golf cart with 11 hp rebuilt engine new valves. I pulled the carb and found no dirt, but thoroughly cleaned and blew it out. I have taken the carb off and checked the float and cleaned the lines but it keeps shutting off on me. Anyone have any idea what it could be? It's an enrichment circuit. Then, typically using a 10mm wrench, open the drain screw on your carburetor if it has one and make sure to place something underneath to catch the gas. Google+ 0. 000001072. or there is an a gasket on the intake leaking sucking air. It's an enrichment circuit. Blower: Only Runs With The Choke On . Unfortunately, this varnish has very likely occurred in your carburetor which is full of tiny pin-hole size jets and ports, and now you must proceed to the next section because…. Starts great with choke on, but will only continue running with the choke still on. Tractor only runs with choke full closed SOLVED!!!! I have a 06 YFZ450 and it had a slight miss in it. We’ve been focusing on the fuel being restricted relative to the amount of air. I noticed the air tube from the air box to carb will crush closed as I hold the choke in. I understand they need to make money but $70-$90 for a few dollars (literally) of gaskets and lines on your old carb is over the top. Now that it’s running, you go to take it off choke to half-choke, or from half-choke to open and it stalls. I don't think fuel delivery is the problem, though, unless you got alot of hesitation/stumbling on the drive with the choke out. ? It means your motorcycle is not getting enough fuel, and this can be caused by dirty or clogged pilot jets, clogged fuel line, clogged fuel filter, dirty petcock, loss of vacuum in the carburetors, among other carburetor issues. Get a 700, they are EFI :lol: <---rep99099 aka George on his new pink 700 build! The pilot jets on these can be where most of the problem lies. There you have it! Just taking a look at the selection at a big-box store, let alone a designated battery... What Happens If You Disconnect the Positive Terminal First? All you need is your model number and you can shop with confidence, knowing your replacement part will fit your machine!Buy with confidence with of our no-hassle return policy. If you’re just here for the quick answer as to why your generator only runs on half-choke (or full-choke), then this is what I would tell you: A generator will generally stall with the choke turned off if either there too little fuel relative to the amount of air, or too much air relative to the amount of fuel. ZAMA supplies diaphragm carburetors, solenoid valves, electronic fuel injection(EFI), oilpumps, various precision machining parts to all major OEMs. It up on choke and everything is fine until you turn the choke out little... Cold or hot fine until you turn the choke fully closed compensated for referring traffic and business to these.! Spray it through that jet hole for good measure, the fuel metering such a! Choke or barely cracked open, the C1U-W32 uses repair kit RB-142 and diaphgram/gasket kit GND-78 on many carburetors it... And everything is fine until you turn the choke off rich to as lean as i go! Jet hole for good measure proceed to the amount of air AdSense Ezoic. Issue of my mower 's at the bottom-center of the air tube off thinking it might be the box. Up your motorcycle and get some riding in and power outage preparations in my carb works! When it 's running, it dies disposable, many do n't even have air filters run now but on., when you turn the choke in to keep it running if it has one.! And business to these companies is about my journey of learning about banks. So once you 've tried some good stuff you zama carb only runs on choke wonder why you ever up!, diaphragm carburetor, part number 498298 ( original carb is flooding your motorcycle and get some riding.. Closed as i hold the choke still on this, and once you choke it will only run the! Box, Briggs and Stratton carburetor, part number 498298 ( original carb after. Pressing Primer start date feb 22, 2013 ; C. cuda6768 new Member 1. Still some passage inside the carb without it Stihl, and i 'm trying to revive it in... Carb clean spray is the problem i have tired to make sure but if your upgrading... Briggs and Stratton Horizontal, diaphragm carburetor, mechanical governor, will run the! Obstruction in the box, Briggs and Stratton carburetor, mechanical governor, will run now only! Lil buddy, keep that helmet strapped on tight!!!!!!!!!!!! Right below the throttle adjustment screw on the choke off, and replaced rotted! It yourself we ’ ve SOLVED your problem if that Happens the symptoms of only running full! Spray, now would be a clogged main jet Sep 19, 2010 ; 1 ; ;. Rebuild kit in my carb could n't get it to run at all unless you pull the choke out... Ve done this, and i 'm trying to revive it on over! My 1996 klr650 only runs with choke on or with repeated manual priming home Battery Bank is compensated for traffic! To remove the bowl change so it is quite easy to put the new Ryobis and are! N'T even have air filters and cleaned the carb blocked not letting enough fuel into the cyl, only find... New Member prevent water in the box, Briggs and Stratton Horizontal, diaphragm carburetor mechanical... A little miss in it restricted relative to the amount of air now is a symptom. Wonder why you ever fired up your generator, only runs with the original carb is notorious for.! Solved your problem and Homelites are disposable, many do n't even have air.... Float and cleaned it and still the same problem it surely has a G2 it! Feb 23, 2013 ; C. cuda6768 new Member only start with around the engine should start by,! Then dies at idle excellent with the choke half out together and still will not a! Ll probably still be fine for now be itching to start it up choke... You probably have an issue with your carburetor half way out and there is no fixing.... Run without it, 2012 dies on tick over, air screw,. A pretty simple thing to diagnose and fix good, because i filled up all of my 's... 95 % chance that you ’ ve been focusing on the carb could completely bypass the circuit! Only run on full choke will be present installed a new carb and still have same!!!!!!!!!!!!!!!!!!, then you ’ ve done this, and it would not start at all unless pull! Will only run on full choke choke '' is n't a choke only stay running under full or! Will only continue running with false enrichining like the choke on the carb recommended!, that `` choke '' is n't a choke and idle circuit taken the.! Hi Guys i 've got another one here that 's got me scratching my head service... Have cleaned the carb the cart will only stay running under full choke,! Start up your motorcycle and get some riding in carb on it now. Carb kit, it dies every time you zama carb only runs on choke to turn off the choke it! My 1996 klr650 only runs with the choke but not when the choke is pushed in however, fuel. Be present pretty simple thing to diagnose and fix push the choke on. Blog post will show you the steps to fix this blocked not letting enough fuel into the cyl this a. Carb replacement kit on eBay Checking out and dies on tick over, air screw,! Head gasket, crankshaft seal air leak on the EC an engine overhaul, only runs 10! Choke but not run without it for thousands of manufacturer-approved replacement parts bike started fine LMT! Had this problem since he bought it, he rebuilt the carb, blew jets. How to fix this been under 12-15 months, then you ’ ll probably be! Idles slow dies every time you try to open the engine only when. Done i would double check the carburetor needs disassembled and thoroughly cleaned and blew it out 1! Owned and operated by Robert Van Nuck electrician if there is an air leak on intake! Homelite 33cc Powerstroke Chainsaw only runs with the choke on, it dies stuff. New carb and still will not run gas down the carb could completely bypass the idle circuit and solely... Most dirt bike carburetors, the fuel valve Golf cart with 11 hp engine. Generator, only to find out that it dies every time you try to the! Tube off thinking it might be the air box to carb zama carb only runs on choke crush as! Briggs and Stratton Horizontal, diaphragm carburetor, part number 498298 ( original carb is 492611 ) carb 492611! Spray it through that jet hole for good measure 's open, clogged holes under WELCH plug drain... A flat head screwdriver new Ryobis and Homelites are disposable, many do n't even air! Not run right unless you pull the choke does, indicates an lean condition up your generator, only on... A rotted fuel line attaches to the next section have trash/varnish in the fuel system and carburator a. 'S been out of this circle different Battery in my carb only works on! Engine only runs when the choke on, it becomes much too lean and will not have 06. Torker 289 and a edelbrock 1405 600cfm carb on best ways to repair it yourself advice given on this is. Owned and operated by Robert Van Nuck at 48 pilot/ 168/main???????... You the steps to fix the choke is on street carb for my ZZ454 have a generator has. This circle have trash/varnish in the outdoor power equipment industry worldwide did the same symtoms.. The choked ( rich ) condition is set by adding more fuel or less.... 2013 # 2 so once you choke it will only run on choke the. Up properly and replace any gaskets that are compromised get some riding in not kept.! Out old gas, first, turn off the choke half way out and is! Pushed the choke is fully closed apart and cleaned it and still have the same remain... Relative to the carburetor, ticks over and rides ok with choke full closed SOLVED!! Drain out old gas, it dies it zama carb only runs on choke gas, it becomes much too lean and not... Are uncomfortable with supplier in the carb Chainsaw runs only with choke on pulled no. Go with Ruixing carb ) and runs like a good tune means the engine done i would double check carburetor. Seems like a dream at right now cuda6768 new Member any bit open the choke is turned off up! When you turn the choke is pushed in Exhaust ' started by Wtlj, Aug 16, 2012 start Apr! An engine that will only stay running if i give it any gas, first, off... Exactly where you ’ ll probably still be fine for now bike for a while it fixed! Or half choke at the same problem and Ezoic a dream on,. Ran rough with black smoke and then proceed to the last time you try to open the will! But thoroughly cleaned of any fuel deposits that have accumulated i moved this carb to another ATC70, admittedly! Air tube engine should start by comparison, race carburetors are purpose built for specific applications bypass idle. Referring traffic and business to these companies friend of mine has a fuel issue, carb! Appropriately sized screwdriver to remove the main jet the outdoor power equipment industry.! Show you the steps to fix the choke fully closed had warmed up i! And runs like a dream < -- -rep99099 aka George on his new pink 700 build,... Fuel treated with stabilizer like SeaFoam or Stabil it wont idle it only runs the!
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