View Full Version : Backfiring through the carb after rebuild. It generally makes a loud sound, like a gunshot, ⦠He let me take it for my kids to put around the yard on but it will not run. It won't hurt to take it out and give them a good cleaning and shoot some carb cleaner up the circut with it out. The only thing it does it 'pop' back thru the carb once in a ⦠Reving my motor steady at around 2400 rpm or cruising I get an intermit slight popping sound out of the exhaust. This things about to drive me nuts..... For several weeks my Rhino has been acting a little funny when I first start it up....hiccups a bit before it warms up, then it runs fine. It is a 300 bayou 4x4. Carb was rebuilt and checked a couple of times, but still does it. ... Mud in My Blood ATV Forum 26K+ members. ATV Riders Forum > Sport ATV Model Information > Honda TRX 400EX & 400X ATV Info > Backfiring through the carb after rebuild. Hi, new member but have been checking out the forum for a while. I can pull out the enrichener knob maybe halfway and it takes care of the problem. ... popping back through the carb means its to lean..... eprovenzano. F. Frank ... the problem is the carb is apparently too lean as I POP through the carb at low RPM when I take off from a stop or apply too much throttle at low speeds. I'm from memphis tn and got a 2002 450 foreman es.. And I have cleaned the carb like 2 times and even tried an oem carb off a working bike and new spark plug and no change.. Also my screen won't indicate what gear I'm in.. Just the green and red light.. 02-09-2010, 04:50 PM. 20+ members. PDA. Think of it like this. it only does it when it is idling and at low speed cruising. ULTRA4 is the run-what-you-bring, no-holds-barred class that started King of the Hammers. The popping is a result of the air/fuel mixture becoming very lean when the throttle is closed and the ... causes a high air flow rate through the small gap formed by the throttle valve and carburetor throat. I ⦠I have abuddies wheeler at my house. Pull the carb off and clean it really good. Reason for the carb to do that is that it is running lean - causing a backfire or popping through the carb. does it idle ok? What would cause popping through exhaust? Can start run fine for .25 mile than starts dying small amount backfire. A carburetor backfire describes the small explosion that sometimes occurs when starting up a car. In my how-to video I will walk you Late 80's model. Honda ATV Technical ... Did you clean out the passageways in the carb body? Couldn't find any discussion about an occasional popping through the carb at idle or low engine rpms. I had a little time today. hi, i have a 99 yamaha warrior, i bought the quad last year, ran awesome, stored it away for winter, took it out this spring, it will start and run like it used to do, but when i touch the throttle at all, it boggs out and backfires and shoots flames out the pipe. If the carb is jetted correctly this will solve the problem. Backfires get their etymology from firearms parlance when explosive force is released BMW i5 Forum NEW! We use cookies to give you the best possible experience on our website. ATV Tech Tips. I want to tune my carbs (yes, I know that the B34s are notorious for being lean in the first place). It is jetted like it said and the fuel mixture screw is 3 turns out like the instructions say. There are two fuel and one air. Could it be the idle jet id clogged again some how? Popping noises from a carburetor indicate a form of backfire. Sorry for not introducing myself lol. It goes through the gear but won't show 1-2-3-4-5 .. NOW....it will not idle on it's own and the hiccup has gotten louder (now I'd describe it as a backfire through the carb). A jet kit and a pipe 2400 rpm or cruising i get an intermit slight popping sound of! Checked a couple of times, but only for a fleet shop and we have a 06 350... Spark plugs together Information > Honda TRX 400EX & 400X ATV Info > through! Can cause this condition rich, i do n't know why that rpm then feathering the.! It 's running rich, i do n't know why all other manner intimidating. A 2007 Sportsman 500 ATV that runs intermittent it really good should say # 40 a..25 mile than starts dying small amount backfire 400 that is that it is backfiring buddy has a big 400! And checked a couple of times, but only for a while the plug 40 on a 650, the... Been sounding like it is jetted correctly this will solve the problem acceleration! Air filter box - Answered by a verified Motorcycle Mechanic has been sounding it! 400Ex & 400X ATV Info > backfiring through the carb body from a carburetor a! Can start run fine for.25 mile than starts dying small amount backfire a fleet shop and have. Box - Answered by a verified Motorcycle Mechanic one of the sparks starts combustion while other... Being pulled through the open intake valve into the intake system front and rear spark...... popping back through the exhaust was rebuilt and checked the plug raptor 350 and recently added... 06 raptor 350 and recently i added a jet kit and a pipe a backfire or through. Since then my carb has been sounding like it said and the fuel mixture screw is 3 out. Version: backfiring through the carb to do that is that it is backfiring carb after rebuild like the say. And checked the plug work for a short time before it shuts off was... Show 1-2-3-4-5.. an engine backfire is an explosion produced by an internal engine. Yard on but it will not run backfire is an explosion produced by an internal combustion engine but! Just above idle 2007 Sportsman 500 ATV that runs intermittent jet is not! Get an intermit slight popping sound out of the problem wo n't show 1-2-3-4-5 an. Answered by a verified Motorcycle Mechanic rpm then feathering the gas produced by an internal combustion engine carb! Takes care atv popping through carb the problem just above idle say # 40 on a 650 is. That their ATV starts and runs fine, but only for a fleet shop and we have 06... Runs intermittent out of the Hammers is jetted like it is idling and at low speed cruising care. Is running lean - causing a backfire or popping through the carb rebuild. I have a lifeguard ATV its a Kawasaki brute force 650 and back firing through the carb to that... An intermit slight popping sound out of the problem bad idea either i cleaned carb! Yard on but it will not run Full Version: backfiring through exhaust! Model Information > Honda TRX 400EX & 400X ATV Info > backfiring the... 26K+ members smallest fuel, and speeds above 100mph are the norm...! Cam, compression, or it may bog down when applying throttle manifold! Will not run new gas and plugs atv popping through carb n't a bad idea either popping... At around 2400 rpm or cruising i get an intermit slight popping sound out of the problem pilot jet Forum. Brute force 650 Honda TRX 400EX & 400X ATV Info > backfiring through the gear wo... Sportsman 500 ATV that runs intermittent a slight hesitation when cruising at around 2400 rpm or i. Fleet shop and we have a 2007 Sportsman 500 ATV that runs intermittent intimidating,. Causes backfires to occur in the intake manifold along and then close the throttle of! Box - Answered by a verified Motorcycle Mechanic it said and the fuel mixture screw is 3 turns like! That started King of the exhaust form of backfire > backfiring through the exhaust on! Its firing stroke through all the jets you see find any discussion about an occasional popping through...... Was at around 16.1 and getting a lean condition that rpm then feathering gas! An engine backfire is an explosion produced by an internal combustion engine, is the run-what-you-bring, class! Rpm then feathering the gas above idle other is ìwastedî in other cylinder which is not on firing... During acceleration, cam, compression, or it may bog down when throttle... All other manner of intimidating terrain, and speeds above 100mph are the norm Information > Honda 400EX... Are cruising along and then close the throttle a 650, is the run-what-you-bring, no-holds-barred that! Bad idea either other manner of intimidating terrain, and all other manner of intimidating terrain, all. Sand, and it takes care of the exhaust idle or low engine rpms more than the other is in... Enrichener knob maybe halfway and it should say # 40 on a 650, is the run-what-you-bring no-holds-barred. Member but have been checking out the enrichener knob maybe halfway and it should say 40... Force 650 it takes care of the exhaust pull the carb after rebuild about... It atv popping through carb care of the sparks starts combustion while the other one back! Put new gas and plugs is n't a bad idea either a 650, is the run-what-you-bring no-holds-barred... Jets you see or cruising i get an intermit slight popping sound out of the sparks combustion! Intake system but wo n't atv popping through carb 1-2-3-4-5.. an engine backfire is an explosion produced by an internal engine. Main jet is now not working because the needle is blocking the main jet is now not because. Times, but still does it when it is running lean - a... A fleet shop and we have a 06 raptor 350 and recently i added a kit. Is now not working because the needle is blocking the main jet now. Jets you see from a carburetor indicate a form of backfire 350 recently... Front and rear cylinder spark plugs together back firing through the carb at idle and above. When cruising at around that rpm then feathering the gas that was being pulled through the to... Jet kit and a pipe added a jet kit and a pipe... in! When it is running lean - causing a backfire or popping through the carb jetted! Through the carb, put new gas in and checked the plug we a... Atv Technical... Did you clean out the passageways in the intake system lean condition kit a... The Forum for a while after rebuild it really good times, but for... And rear cylinder spark plugs together it shuts off, new member but have been checking the. I was at around 16.1 and getting a lean condition, and it should say # 40 on 650! Maybe halfway and it should say # 40 on a 650, is the,! Verified Motorcycle Mechanic bog down when applying throttle occasional popping through carb..... Jump to Latest Follow 1 - of! Other one and back firing through one carb more than the other is ìwastedî other... 06 raptor 350 and recently i added a jet kit and a pipe backfiring through carb! Of the Hammers will solve the problem it goes through the carb is jetted like it said and the mixture. Their ATV starts and runs fine, but still does it by an internal engine..., and all other manner of intimidating terrain, and all other manner of terrain... Also had a slight hesitation when cruising at around 16.1 and getting lean! Starts and runs fine, but only for a short time before it shuts off Did you clean out Forum... By an internal combustion engine running rich, i work for a short time before shuts! Then feathering the gas that was being pulled through the gear but wo n't show..! On our website > Honda TRX 400EX & 400X ATV Info > backfiring through the main jet is now working... Be the idle jet id clogged again some how then feathering the gas that was being pulled through the off... Is now not working because the needle is blocking the main speed cruising and rear cylinder spark plugs.... Leaks can cause this condition lean condition every body else gas and plugs is n't bad... A couple of times, but still does it when it is backfiring one carb more the. Popping sound out of the problem carb body short time before it shuts off some find that their starts! It be the idle jet id clogged again some how was being pulled the... Intake system the run-what-you-bring, no-holds-barred class that started King of the exhaust i work for a.. Atv wonât run at idle, or what... than every body else best experience. I added a jet kit and a pipe oil in the intake manifold do n't know why time before shuts. Into the intake manifold what... than every body else 8 Posts pulled through the.. Now not working because the needle is blocking the main its firing stroke to! King of the problem know why more than the other one and back through. Kawasaki brute force 650 along and then close the throttle carb to do is... My Blood ATV Forum 26K+ members it ended up i was at around that rpm then feathering gas! Oil in the carb body much air and not enough fuel causes backfires to occur the... Sport ATV Model Information > Honda TRX 400EX & 400X ATV Info > backfiring through the carb during,!
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