2002 h-d softail spits@back fires at low rpms bike is fuel injectioned. can u tell me what is causing that to happen. There is no separate impulse line. Remove the Harley carb pilot jet. It has weight and momentum so it has to go somewhere. When setting up your carb, the best approach is to set it up on the rich side, then lean it back until you get quick throttle response. Mixture tuning on your Harley Davidson CV carburetor is a simple procedure that can easily be performed with basic tools. Idle adjustment should not be a problem on your Harley’s carb. If you're looking to enhance the performance and power of your bike, shop J&P Cycles' wide selection of motorcycle carburetor parts and accessories for your Harley-Davidson. As the horsepower goes up, so does the number of potential situations that impact performance or create problems. There were 450 red and 450 blue FXR2's. i have a mikuni carb installed on a 95 wide glide. Rich: A "rich" condition is what occurs when you have too much fuel in your fuel… Harley-Davidson Carburetor. Gas freely flows from the tank through the carb and back to the tank when I squeeze the primer bulb. Kids ATV Cheap Off Road Go Karts Sale Pit Bikes Rhino Clone UTVs 50cc Gas Scooter Mopeds 110cc 4 wheelers Kids Quad, SSR Dirt Bike BMS 150cc Dune Buggy go Cart, 250cc Scooter, 150cc Moped, 250cc Off Road Dune Buggy, 150cc Off Road Go Kart, Kids ATV Sale Kids quad ATV wholesale, moped scooter 50cc wholesale Texas Dallas Fort Worth TX NM AR LA 4 wheelers for kids dirt bikes fast 125cc atvs … Ask Your Own Motorcycle Question. At this point the float will drop to the bottom of the bowl and the needle will be clear of the seat. Checked for leaks in the manifold with carb cleaner and found none … I guess what confuses me is that I thought that's where the engine drew air in. The common factory Harley gas cap that incorporates a one-way valve (for emission purposes) sometimes restricts air flow into the tank. opening and the spitting stop.also the engine open on up and run good.amy advice will be helpful.may be reed values.also when i use the choke fuel shoots out of the same carb.thank you kindly,san This restriction can result in a partial vacuum and fuel … Now getting a … JACUSTOMER-llkxpg7a- : sat up 5-6 month i did not mess with float idid not know you could adj those type floats. have a 1976 evinrude 70 hp.at about half throttle the middle carburetor start to spit gas.place my hand over the carb. The incoming rush of fuel should clean any crap stuck in the needle & seat. It had a blown cylinder gasket. This guide covers problems and solutions routinely encountered on stock and mildly modified motorcycle engines. I have a 2003 softail deuce, hard starting, spits and sputters at low speed and on highway. Fuel spitting out of carb. evo backfiring/missingStock CV carb and Harley ignition,it starts spitting back through the carb and missing. I've got a 2003 Harley FXD Superglide with a coughing and spitting problem. when i hit the ignition switch and release the carb spits out fuel from the back plate hose. A carburetor float is usually a plastic or brass component that is made up of two floating ends joined by central bridge that pivots within a pair of towers cast into the bottom of the carburetor. I got about 2000 miles on it and noticed gas spraying out my air filter and onto my leg when riding with shorts one day. Float Seat/Valve: Basically the valve that stops fuel from flowing into the float bowl when the float reaches a specified level. I replaced the fuel lines back when I first hauled it out, as they were all cracked. It will still squirt if it's runing extremely rich. Anytime you rejet or change exhaust or air cleaner intake it is suggested to adjust the mixture. Racing consists of rocks, sand, and all other manner of intimidating terrain, and speeds above 100mph are the norm. Help please. Question about 2003 Harley Davidson FXSTDI Softail Deuce. The 1999 FXR2 and FXR3 were the first Harley CVO bikes. Other culprits could include corroded or cracked spark plugs or spark plug wires, a faulty ignition … Replace the Pilot Jet with one size larger. Fuel spitting of frothing at the entrence of the carb has more to do with fuel volume/weight than anything. A backfire is a loud pop or bang sound that comes from your exhaust pipes when your Please Read: Note about repair advice.. Troubleshooting the ULTRA4 is the run-what-you-bring, no-holds-barred class that started King of the Hammers. This of course assumes that you are starting out with the stock jet size. My little poulan was spitting real bad. When I accelerate I find it spits back though the carburetor. Release the fuel line and crank it over. A partial vacuum in the fuel tank can reduce fuel flow and bring about a lean condition. 1 Answer . Not only that, but we have them all in-stock and ready to ship to you today. 99 Harley-Davidson Road King Electra Glide OEM Mikuni CARB CARBURETOR, 27412-99 4 out of 5 stars (1) 1 product ratings - 99 Harley-Davidson Road King Electra Glide OEM Mikuni CARB … I have a 2002 Harley … Share this conversation. Remove the mixture screw, spring ... then the most common cause of backfiring through the carb (spitting or coughing) ... Making the mixture richer should clear that up, although the root cause of a lean fuel mix might be a dirty carb. I found that out tinkering with the carb. Most Mikuni floats have a tang at the center of the bridge that is used to push the fuel valve upward into the valve seat, restricting the incoming flow of fuel. Harley CV Carburetor Mixture Tuning Notice: All instructions and the EZ-Just are intended for a Harley CV carburetor only. There are several reasons why a motorcycle sputters. Tuning too lean is dangerous, because if can burn out your engine. I've checked fuel flow to the carb and seems very ample. Practicly squirting. on: May 17, 2009, 06:09:31 am. It has a reed valve by the way. bike spits and sputters,backfires at low - Harley Davidson 2002 FXST Softail Standard question S&S Super E Carburetor Carb Kit Harley Evo Evolution 1993-1999 Big Twin 11-0419 (Fits: Harley-Davidson Heritage Softail) 4.5 out of 5 stars (22) 22 product ratings - S&S Super E Carburetor Carb Kit Harley Evo Evolution 1993-1999 Big Twin 11-0419 Iv got a little problem with my 1.5 riley rma. The most common reasons are carburetor issues such as a vacuum leak, fuel leak, or tuning issues. Pinch off the fuel line, start the car and run the carb out of gas. If the fuel level is too low for example, it can cause a bog similar to a lean condition. also when it wont start right away the fuel pump will run on for a few seconds. It wants to die,bad idle. Now I know its not a mini but an engine is an engine and the basics are all the same which is why I posted here. The air is being pulsed at a high frequency, the fuel has weight and doesn't start and stop so easily, so what we see as a result is the fuel being forced back out into the open. The cylinder was moving up and down a 16th". I have an Arresting Red bike. Show Less. Page 1 of 2 - Spitting Back Through The Carb - posted in Problems, Questions and Technical: Morning! I looked at the Air cleaner to find the foam filter broken up from gas spraying on it. We carry more Harley-Davidson products than any other aftermarket vendor and have them all at the lowest guaranteed prices. Harley-Davidson Carburetors & Carb Parts At Dennis Kirk, you will find the best selection of Harley-Davidson Carburetors. just pull it off, check the gasket.if it's worn at all replace but most often it's fine. Nov 9, 2010 #6. Show More. If your spitting, popping and having trouble keeping the engine turning at idle, you most likely have a slip of the gasket on your t-pipe that connects the carb to the engine. Carburetor and Fuel System Troubleshooting Guide. Hello , I have had a custom chopper built using a 100 cubic inch Ultima with a Mikuni carb . Cody Burge’s twin supercharged, ULTRA4 car that he brought to Holley LS Fest is one of the highest-horsepower cars in the class and certainly turned some heads. It was blowing the fuel back through the carb. Posted by …