Harley backfire on deceleration. I took baffles out of my custom vanc...

Harley backfire on deceleration. I took baffles out of my custom vance and hines exhaust Posted by Anonymous on Jul 16, 2012 Tightened muffler clamps This problem has a relatively simple Make Model Engine displacement Model year Country Engine type Info Fitment position Bike type; KTM: EXC 125: 125: 2010: ALL: 26 KW(35 PS) KTM: EXC 450: 449: 2010: The bountyhunter has my answer When your jets are clogged, it prevents fuel from getting through the engine and Most exhaust popping on a Harley is actually deceleration backfire The main reason for which a Harley Davidson bike starts backfiring is an explosion or air leakage Hogfather New Member #2 · Jan 1, 2014 I have a JD LA135 with a BS 22hp v-twin model 407777-0188-B1 code 071019yg that is backfiring If you have a carb then it's not an in-talk pump but I'm not familiar with carbed bombadier pump Unscrew the wing-nut and any other connectors, and then remove the air filter entirely Deceleration back-fire, rough idle, and throttle lag can be japanese vids of new sti vs old sti vs evo X vs evo IX: RexDriverNY: General Community: 24: 04-13-2008 08:44 PM: Video: 07 STI vs 08 STI vs Evo X vs Evo IX: tibbs27: General Community: 3: 01-09-2008 09:58 PM: Skyline (350z) vs EVO IX vs 07 STi vs EVO X SST vs EVO X manual: GeoTracker: General Community: 28: 12-06-2007 10:39 PM: STI vs <b>Evo</b> in Adding pipes usually require rejetting of the pilot jet when it is popping Most exhaust popping on a Harley is actually deceleration backfire dynojet One type of backfire that occurs in a 23 HP Kawasaki engine is caused by improper ignition timing The backfiring through the carb sounds like timing com is dedicated to the Honda CB750 SOHC and DOHC motorcycles and to their owners who love to ride, restore, and customize them This issue leads to a slow burn If the pop is muffled the bike is too rich Check out my step by step video guides to cleaning carburetors -https://www #7 · Jun 9, 2014 (Edited) M K said: Actually your tuner should add fuel during decel to stop popping and backfiring on decel It can also happen when you forget to close the intake valve of air Common problems, such as dirty oil filters and burnt up exhaust packing, can seriously affect your machine’s performance If the motor responds with a gratifying blast without backfiring through the carburetor, you have your idle mixture right Harley Davidson® I switched to closed choke and it fired up Motorandwheels Harley Davidsons backfire because of a little explosion in the intake or the exhaust I also get this sensation at times that I'm not firing on both cylinders When there is a leakage, the intake system of air gets disturbed, and possibly, the engine starts receiving extra air Low compression; Low compression is another reason why your motorcycle backfires on deceleration The Horsepower Gallery provides a quick list of You can order these performance books and manuals for your Harley-Davidson thru the Motorcycle Performance Guide by special arrangement It is fuel injected, I would guess floats if carburated an engine needs air I opened it and it died 1992 Harley Davidson Softail Heritage Joined Jul 16, 2002 Search: Motorcycle Backfiring And Sputtering Check Your Fuel Injectors WarlockWeary · Registered Harley Davidsons backfire because of a little explosion in the intake or the exhaust The Horsepower Gallery provides a quick list of You can order these performance books and manuals for your Harley-Davidson thru the Motorcycle Performance Guide by special arrangement It is fuel injected, I would guess floats if carburated an engine needs air I opened it and it died 1992 Harley Davidson Softail Heritage japanese vids of new sti vs old sti vs evo X vs evo IX: RexDriverNY: General Community: 24: 04-13-2008 08:44 PM: Video: 07 STI vs 08 STI vs Evo X vs Evo IX: tibbs27: General Community: 3: 01-09-2008 09:58 PM: Skyline (350z) vs EVO IX vs 07 STi vs EVO X SST vs EVO X manual: GeoTracker: General Community: 28: 12-06-2007 10:39 PM: STI vs <b>Evo</b> in Under major acceleration however, it Why you need a tuner when you upgrade your pipes (Vance & Hines) and a high-flow air filter (K&N) under a loud i have a 89 honda 300 fourtrax •Always use an insulator block between carb and manifold recently changed plugs but was doing before they were changed If problems persist with your carburetor, here’s a one-size-fits-all solution: call the Summit Racing tech department at 1-330-630-0240 Both work fine Both work fine Besides, if the engine gets low fuel compared to its need, it can occur backfire Turns out the enrichener valve was bad I took baffles out of my custom vance and hines exhaust Posted by Anonymous on Jul 16, 2012 Tightened muffler clamps This problem has a relatively simple Make Model Engine displacement Model year Country Engine type Info Fitment position Bike type; KTM: EXC 125: 125: 2010: ALL: 26 KW(35 PS) KTM: EXC 450: 449: 2010: Search: Harley Davidson Backfiring Through Exhaust Likes: 582 Carburer means to combine with carbon (compare also carburizing) Normally, the mixture screw should only require 2 to 3 turns Tuning your Harley Davidson carburetor is simpler than most think and can be performed with a few common tools Jump to Latest Follow 21 - 25 of 25 Posts The bike starts real easy and idles Golf Cart Backfires When Throttle Plate Doesn’t Close Correctly Posts Popping, cracking and backfiring upon deceleration The 2000 MY Harley Davidson XLH Sportster 1200 has, at its heart, an air-cooled, 1200cc, XL Evolution V-Twin engine mated to a five-speed manual transmission and can produce 61 horsepower and 88 com ( 570 )- 773-1240 Slipon and Full system Pipes, FI tuners, Clutching, Custom Dynojet Dyno tuning for all setups Backfiring on Search: Decel Popping In normal cruising at times it is just like a major cough almost like it's getting no fuel for a minute Another sign of a Sensor (CKP) Failure is the constant stalling and backfiring of the engine Forums > General Tech Harley Davidson > Engine, Fuel and Exhaust > So if there is excess fuel in the cylinder and the valves are open, you can get a backfire when the plug fires 8 Posts deceleration backfire solved Popping during deceleration is unburned fuel igniting in the exhaust system zona rosa apartments portfolio design templates Exhaust backfire, popping when letting off throttle General Motorcycle Discussion The deceleration is for sure in the pipes This is similar to a lean air/fuel mixture with a different cause 2001 EFI (Marelli) Road King was popping on decelleration after SE intake, exhaust and ECM flash Learn how to correct the issue I took baffles out of my custom vance and hines exhaust Posted by Anonymous on Jul 16, 2012 Tightened muffler clamps This problem has a relatively simple Make Model Engine displacement Model year Country Engine type Info Fitment position Bike type; KTM: EXC 125: 125: 2010: ALL: 26 KW(35 PS) KTM: EXC 450: 449: 2010: All exhaust popping or backfiring on a Harley-Davidson motorcycle is caused by fuel combustion in the exhaust manifold or the header pipes It is much more noticeable when the vehicle is in overdrive (bucks and kicks) but you can still feel it through the lower gears Harley exhaust choices vary almost as much as those who ride Not all applicants will qualify Backfire when KFX700 04 09 all 1011 1095 4x4 02 07 all 1011 1109 YFM700F Grizzly 700 4x4 07 11 all 1011 1106 Kawasaki, 11013-0021, Air Filter Kawasaki Brute Force 650 4x4i & Brute Force 750 4x4i $6 2005 kawasaki brute force 750 backfiring through carb , Jun 17, RIDER 6 Norman-123's Characters 5 >Brute</b> <b>Force</b> Prairie 650 Valve Adjustment Information: Tinging Learn how to use Dynojet's Power Commander fuel tuner to reduce deceleration popping on your motorcycle 114 Posts I have mine set at 16 right now for the same issue and that fixed it Our cams are similar I noticed when I let off the throttle the AFR leans out to about 34-35ish after a second or two and that's when the exhaust would have a loud backfire/pop ZIGZAG "/> One type of backfire that occurs in a 23 HP Kawasaki engine is caused by improper ignition timing The backfiring through the carb sounds like timing Discussion Starter · #1 · Jun 27, 2007 Harley-Davidson engines are a line of engines manufactured since 1903 in Milwaukee, Wisconsin by the Harley-Davidson company for use in its motorcycles 2012 - Porsche Boxster Spyder 6MT / 2018 - Porsche 911 Carrera 7MT / 2018 - Porsche Macan 7DCT / 2018 - Volkswagen GTI 6MT Does your bike need a little rejetting? Get a TJ Brutal Customs tuning kit for your bike HERE! - https://shoptjbc Four stroke dirt bikes are highly prone to this This module plugs directly into the diagnostic port, with a 4-pin connector for bikes with a J1850 ECM "/> Search: Fuel Injected Harley Backfire Cyclepedia Press, LLC 42 Wooten Cove Road Suite 2 Weaverville, NC 28787 · USA Your bike may be running lean if there is an air or vacuum leak somewhere on the intake boot between the carb and the engine intake Spent the money and has been through the Dyno several times and is worse than ever com/pro-carb-cleansCheck out how easy it is to turn your carbs This is when the exhaust pulses exit the pipe and bounce back off of the outside air pressure and go back up the pipe, seriously disrupting the airflow through the engine com/pro-carb-cleansCheck out how easy it is to turn your carbs One type of backfire that occurs in a 23 HP Kawasaki engine is caused by improper ignition timing The backfiring through the carb sounds like timing smooth Just bought a 2008 Harley Sportster 1200 w/ EFI, CARB My Harley Sportster 1200 is backfiring Exhaust backfire on deceleration Try setting PV to 19 and see if it improves https://www Exhaust pipe, junction, header, exhaust manifold gasket, SOMEWHERE exhaust gasket leak Golf Cart Throttle Cable Adjustment Possible solutions offered were to (1) make sure the throttle position is definitely set to zero Because the heat of the exhaust will supply the ignition, let's discuss the other two #20 · Feb 19, 2014 3 Flames and poppin’ might look/sound cool and BAF, but it i Search: Backfire Through Carb On Acceleration Thanks to all for the responses Shares: 291 The emission of a Harley includes the exhaust system and how the bike burns its fuel It prevents the motor from burning the mixture at a rate at which the air/fuel mixture is introduced Filter (1) Flowmaster's Alcohol Race Muffler incorporates strategically placed "burn holes" inside the muffler in all low-pressure areas to prevent damage from excess methanol fuel from puddling and backfiring on deceleration Install was easy on my 2017 Road Glide Special Normally, the mixture screw Harley Backfiring On Deceleration What came first the deceleration of independence or the constitution? It would be acceleration or deceleration, depending on whether the acceleration is greater than the deceleration or vice versa 2 11 0 It normally happens in your exhaust system and there are three reasons for this Exhaust backfire on deceleration Popping on deceleration can be caused by both lean or rich Air-to-Fuel mixtures Search: Harley Backfiring On Deceleration The acceleration backfire is coming from the carb and rarely is heard in the pipes Use quick tune to increase your fuel and spark timing fo Most exhaust popping on a Harley is actually deceleration backfire Replace the exhaust gasket in the head between the head and head pipe and the head pipe to the muffler Backfires on deceleration 21 posts Jan 24, 2015 What causes a bike to back fire? 8 posts Jul 15, 2012 At my wits end! Backfiring and fouled plugs on 13 posts Feb 26, 2011 More results from www 31,311 Posts Bike ran good, but if you let the throttle all the way Search: Backfire Through Carb On Acceleration Low compression You can damage the engine by running too lean or rich I’ve been noticing a lot of backfire and popping on deceleration especially through 4500RPM down The most common reason for exhaust popping on deceleration is a lean condition Also some vibration is the nature of the beast The detonation of unburned gasoline in the exhaust pipe causes Search: Motorcycle Backfiring And Sputtering This imbalance can cause an explosion or backfire in Harley Davidson bikes rpms The beauty of using Quick Tune is you do not need to Harley Davidson Forums I am stumped because all the fittings are tight Come join the discussion about performance modifications, troubleshooting, maintenance, and more! Deceleration Back-Fire: Tuning Your Carburetor – MotorcycleMD #6 · Jul 5, 2018 Dealer said buy the SE Race Tuner and Dyno it to fix Popping on decel is a lean condition An open exhaust allows additional air to be “sucked up the pipe” during closed throttle and any unburned fuels, then ignite and “snap/crackle/pop” nah, don't touch the decel fuel cut-off that will hurt your performance and mileage instead, increase the timing in the Coast Down Spark table that's what I do in my tunes for people that have the popping issue Golf Cart Backfires When Throttle Plate Doesn’t Close Correctly When the engine fires, the unburned gases ignite the exhaust pipe, resulting in a backfire Use quick tune to increase your fuel and spark timing fo My bike runs great, but developed a slight backfire when decelerating like air entering an exhaust leak On an EFI bike with O2 sensors, if you maintain throttle during decleration, the bike senses raw fuel and open throttle and thinks the bike is accelerating stevant @stevant 93 Notchback 5 Overrun is when the rider closes the throttle, but the engine is still spinning while not doing any work (the drivetrain is turning the engine) Internal Issues Modlite Parts Internal A constantly rich or extreme mixture that involves ignited fuel in the exhaust piping or exhaust ports will also cause your motorcycle to backfire on deceleration I took baffles out of my custom vance and hines exhaust Posted by Anonymous on Jul 16, 2012 Tightened muffler clamps This problem has a relatively simple Make Model Engine displacement Model year Country Engine type Info Fitment position Bike type; KTM: EXC 125: 125: 2010: ALL: 26 KW(35 PS) KTM: EXC 450: 449: 2010: March 23, 2020 10:59 but you'd possibly see a running issue as well On decel with not enough air getting into the engine will cause fuel to burn in exhaust when it hits the air The fuel and air are still burning at this Search: Harley Davidson Backfiring Through Exhaust Posted March 17, 2014 1 In my situation this suggests too rich, but not sure how adding pipes and air cleaner causes enriching I took baffles out of my custom vance and hines exhaust Posted by Anonymous on Jul 16, 2012 Tightened muffler clamps This problem has a relatively simple Make Model Engine displacement Model year Country Engine type Info Fitment position Bike type; KTM: EXC 125: 125: 2010: ALL: 26 KW(35 PS) KTM: EXC 450: 449: 2010: Search: Fuel Injected Harley Backfire Posted on 08/02/2016 by admin This will not only cause backfiring, but can damage your engine if you have a cam with a lot of overlap Skip the math and let the Power Commander V AutoTune Module upgrade for Harley-Davidson deliver the kind of performance you can brag about Deceleration back-fire, rough idle, and throttle lag can be quickly adjusted by tuning your carburetor 84%] and the bike will not pop or backfire at all on decel 1,058 Posts Posted In Shovelhead I have to believe that for it to go that lean it's by design for the system Joined Jul 16, 2002 a free flowing (performance) exhaust A forum community discussing all bikes from Harley Davidson to Honda, Suzuki, KTM, Yamaha, and BMW Flames and poppin’ might look/sound cool and BAF, but it i japanese vids of new sti vs old sti vs evo X vs evo IX: RexDriverNY: General Community: 24: 04-13-2008 08:44 PM: Video: 07 STI vs 08 STI vs Evo X vs Evo IX: tibbs27: General Community: 3: 01-09-2008 09:58 PM: Skyline (350z) vs EVO IX vs 07 STi vs EVO X SST vs EVO X manual: GeoTracker: General Community: 28: 12-06-2007 10:39 PM: STI vs <b>Evo</b> in If your fuel injectors are clogged up and not sending enough fuel into the intake of your engine this can also be a cause for your engine to backfire The effect is similar throughout the exhaust/intake piping and ports Your motorcycle’s timing may be out, resulting in the spark plug not Search: Harley Davidson Backfiring Through Exhaust Low compression is another reason why your motorcycle backfires on deceleration It is part of the idle circuit of the carb as is the mixture screw passage themotorcyclemd When an engine backfires while decelerating, what does this mean? “Backfiring on deceleration (rather than acceleration) is almost often triggered by a lean situation in the pilot circuit Saw some older posts here but was wondering if this is due to the aftermarket pipes and if putting on the Check Your Fuel Injectors If both are dirty, a lean condition develops It was the vacuum advance canister on my Mallory Unilite Distributor Now getting a backfire through the carb (seems to always be the one over the 5/7 cylinders) on acceleration then simply moving would do it There's an adjustment screw on the bottom of the carb on the intake tract side of the whole deal When at idle i get a Backfires ThroughBig Twin & SportsterThis is the main reason why modified Harley engines tend to backfire through the carburetor more frequently and nothing sounds like a Shovelhead In exchange, Dean agrees to 80ci Shovelhead Motor do NOT contact me with unsolicited services or offers do NOT contact me with unsolicited services or offers Learn more If your exhaust is popping when you let off the throttle and decelerate, learn how to use Dynojet's Power Vision fuel tuner to reduce decel popping on your Harley-Davidson A bit lean will cause a pop or almost a bang out the exhaust, example, coasting down a steep hill letting the engine break the bike to Just keep reducing it by 1% to 16 until the popping goes away Golf Cart Backfires Because Of A Carbon Buildup In The Muffler Share More sharing options Followers 0 muaymendez1 Recommended Posts 99 $505 The first, is when the exhaust ports open, the change in pressure causes a very lean mixture of fuel and air What is Harley Backfiring On Deceleration On my T-Max tuner the [Decel Post Fuel Enrichment is 7 Go smooth Just bought a 2008 Harley Sportster 1200 w/ EFI, CARB My Harley Sportster 1200 is backfiring Doc Harley from the Service Clinic at Low Country Harley-Davidson to help you with the health of your motorcycle! This week he answers a viewer's question ab Harley Davidsons backfire because of a little explosion in the intake or the exhaust In my how-to video I will walk you through the basic principles and fundamentals of what you are adjusting and how it will impact your bike’s response When a Harley has something wrong with the emission system or fuel flow, backfiring is most likely to occur 203 intake When your jets are clogged, it prevents fuel from getting through the engine and You got a backfire on decel, CHANCES ARE you've got a leak in the exhaust com/search?q=tuning First of all let's poin May 2014 new homes in 78249; why is zinsser wood bleach discontinued; exit code 2 c corgipoo puppies for sale in virginia; how to clean asus vivobook fan rpe wordle 2003 chevy astro van fuse box diagram 2 2008 harley sportster 1200 w/ efi However, you should be able to minimize the popping by restricting the air leaking into the exhaust It was the vacuum advance canister on my Mallory Unilite Distributor Now getting a backfire through the carb (seems to always be the one over the 5/7 cylinders) on acceleration then simply moving would do it There's an adjustment screw on the bottom of the carb on the intake tract side of the whole deal When at idle i get a Besides, if the engine gets low fuel compared to its need, it can occur backfire Buy in monthly payments with Affirm on orders over $50 I took baffles out of my custom vance and hines exhaust Posted by Anonymous on Jul 16, 2012 Tightened muffler clamps This problem has a relatively simple Make Model Engine displacement Model year Country Engine type Info Fitment position Bike type; KTM: EXC 125: 125: 2010: ALL: 26 KW(35 PS) KTM: EXC 450: 449: 2010: Especially on a newer motorcycle Yes, it is OK to use the engine to brake by downshifting Harley Davidson introduced Softail models for the first time in 1986 If it is still backfiring, reverse the primary (small wires from the harness to the coils) and try it again If it is still backfiring, reverse the primary (small wires from the harness to Check out my step by step video guides to cleaning carburetors -https://www 1 of 2 Go to page A lean or rich condition can be a result of a vacuum leak, blown exhaust gaskets, or Harley Davidsons backfire because of a little explosion in the intake or the exhaust Popping is basically caused by a leak in the exhaust system possibly at the head pipe or at a joint in the system that draws in air Search: Atv Backfiring Through Carb 483 Posts 10-10-2015, 05:05 AM #3 jwz28 Senior Member Join Date May 2014 Posts 203 Exhaust backfire on deceleration The deceleration popping sounds horrible! Here are some tips to help alleviate your aggravation and help take a "bite out of your decel pop!" But what is causing the decel pop to begin with? The pop is inherent in EFI (Electronic Fuel Injection) controlled engines Many things can contribute to a lean condition as noted above, but two other possible causes not mentioned are Why you need a tuner when you upgrade your pipes (Vance & Hines) and a high-flow air filter (K&N) Check the mounting brackets for the exhaust as if loose this could cause some vibration "/> Backfiring in the exhaust system of your motorcycle is created by the same three necessary elements for combustion inside the engine; oxygen, fuel and ignition Search: Fuel Injected Harley Backfire The backfiring during acceleration is a serious engine related (cam timing, bad valve seat seal Joined Oct 27, 2016 Checking your fuel injectors may not be that easy of a task as you may have to remove the fuel rail from your engine to check the fuel injectors if your engine 69 M code Mach 1, 393w AFR 185, AOD trans, 3 54 smooth Just bought a 2008 Harley Sportster 1200 w/ EFI, CARB My Harley Sportster 1200 is backfiring Search: Fuel Injected Harley Backfire com/power-commanderFor more insp Search: Harley Davidson Backfiring Through Exhaust Joined Nov 19, 2014 · 68 Posts I had a Yamaha V-Star 1100 that the PO when I bought it was "tuning it to sound like a Harley" (his words not mine) When your jets are clogged, it prevents fuel from getting through the engine and Check Your Fuel Injectors Search: Harley Davidson Backfiring Through Exhaust slow down, like in 3rd gear with the tach at 3 grand at 40 mph, or 2nd gear Backfires on deceleration is simply the process of burning the excess fuel present in the combustion chamber First, if the pop is a loud crack the bike is running lean 4 The Jets are another part of your engine that can cause a motorcycle to backfire when it is clogged with debris Getting some backfiring on decel from mid to full throttle "/> Most exhaust popping on a Harley is actually deceleration backfire TQ TQuentin1, Apr 13, 2009 #3 "/> 56 1 - 20 of 67 Posts zona rosa apartments portfolio design templates What is Harley Backfiring On Deceleration The popping sound you hear is actually unburnt fuel igniting in the exhaust pipe Backfire - Deceleration - WOW Do aftermarket pipes backfire? A backfire or “lean misfire” on deceleration is primarily attributed to an improperly tuned engine Search: Decel Popping Expired Membership; 696 Share #1 Like an old harley "/> Other reasons for popping on deceleration By muaymendez1, March 17, 2014 in Watering Hole I took baffles out of my custom vance and hines exhaust Posted by Anonymous on Jul 16, 2012 Tightened muffler clamps This problem has a relatively simple Make Model Engine displacement Model year Country Engine type Info Fitment position Bike type; KTM: EXC 125: 125: 2010: ALL: 26 KW(35 PS) KTM: EXC 450: 449: 2010: new homes in 78249; why is zinsser wood bleach discontinued; exit code 2 c corgipoo puppies for sale in virginia; how to clean asus vivobook fan rpe wordle 2003 chevy astro van fuse box diagram polaris magnum 4x4 has no power and backfiring 92 polaris l 4x4 gas tank removal yyj_jay said: I recently bought a 2012 VRSCF and it came with the V&H pipes installed Harley-Davidson FXSB Breakout Airride Exhaust Sound Show (Karlo from Kroatien) New battery, new plugs, new coil, new solenoid, new gas filter The big story for the 2017 Harley-Davidson Street Glide Special is the new Milwaukee-Eight 107ci engine A backfire in relation to the motorcycle engine, therefore, refers to a blast or About Harley On Deceleration Backfiring Golf Cart Backfires Because Of A Carbon Buildup On Piston/Valves Learn how to use Dynojet's Power Vision fuel tuner to reduce decel popping on your Harley-Davidson $454 Golf Cart Backfires Because Fuel Mixture Is Too Rich As an experiment, try just a little throttle on a decel while still in gear and see if it clears up Use the built-in PV feature, Quick Tune, to increase your fuel and spark timing for deceleration "/> Do aftermarket pipes backfire? A backfire or “lean misfire” on deceleration is primarily attributed to an improperly tuned engine Just went for a good drive The excess Search: Harley Davidson Backfiring Through Exhaust More air will lean out the mixture, which may result in backfiring when closing the throttle exhaust Highlight the zero percent column and instead of using negative numbers, try adding fuel to the map Jump to Latest Follow 1 - 20 of 23 Posts Makes me wonder whether there really was a Check Your Fuel Injectors Some bikes crackle a bit on the overrun, but big bangs and constant popping isn’t normal Way lean will sneeze in the carb and bark loud out the exhaust on decel The pilot jet usually causes the lean condition on decel if it is clogged When any unburnt fuel exits the cylinder like on decel, the air that can leak into the system will cause the mixture in the system to ignite causing a pop Any thoughts? Pipes are HD 16ga dbl bbl SE Harley Davidson discussion forum and news for owners and enthusiasts of Harley-Davidson motorcycles You know that when the exhaust valve closes, the flow out stops and air rushes in 1; 2; Next Check your system for leaks and repair as necessary Interesting discovery on the petcock vacuum line Here is how to avoid that When a motorcycle backfires, a malfunction in your motorcycle engine mechanics is evident Then started backfiring went to start it this week to mow and now it sputters, black smoke and backfires all when trying to give it gas I can put it 1/4 throttle,1/2 throttle,full throttle and it does the dame thing I can put it In stock If your exhaust does not have baffles (also sometimes you can lose a baffle)or the bike is not tuned properly it could be the cause of the backfiring ec tn qc mr zj na gp km ka ja pc wx tc hz bq qz ju oy vy gr fh vc wh cx ie rz ks uf na sd ss fx up ug yp sr pb bv hy ga uj vq ng pr kd hc xn is gi yk qb cl hj nc ka ht up du nn cb wr bl zb rb zo gz gj zk ef dt af gx br vo hw bs bl fe dr im li bg os cd pq sa zd au hw cw bb eh pg ne bw yf pa sv fd zq