carburetor

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Hard Start and Backfire

I have a custom bike and it has a 1995 Harley engine, Sportster 883. The problem the bike is very hard to start and it coughs or back fires from the carburetor and sometimes from the exhaust. Do you think it’s the carburetor? I live in Denver Colorado thin air and high altitude. Via Email…

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Leaking Fuel From Carb

1998 Roadking FLHR. Was leaking fuel in carburetor. Put new kit, it stopped the leak now it’s backfiring through carb? Via Email Put kit on it? What, exactly, would that cover/include? Here are some CV carb rebuild videos in the related videos below. See if they help at all. Also, If the m/c is coughing…

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Super E Carb

I have an S&S Super E carburetor. I began using your rebuild video following along as I worked on my own carburetor and after watching for a bit I realized that your video was not for a master rebuild kit. The one thing I am struggling with is reinstalling the throttle return springs. Could you…

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In The Shop: S&S Carburetor Upgrade

To Breath Again Over the years, we have installed countless S&S carburetors. It is always nice to start a job, opening up a box that contains a quality component that provides an excellent performance upgrade every time. S&S Super E & G carburetor kits contain everything you need for a complete installation. The kit includes…

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Pilot Jet

What size pilot jet should I use and main jet. I have v&h exhaust k&n air filter with SE 203 cams I have a pilot jet 48 in there now with a 175 main jet but when I adjust the air mixture screw it does nothing. It back fires in the carburetor and has a…

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Exhaust Swap Out

I want to put a Rhinehart exhaust on my wife’s Heritage. It’s a 2 into 2 exhaust. Does this require any other work besides a direct swap out? Via Email May want, or need to address carburetor jetting; especially if you have a high flow air cleaner assembly. If the Heritage is EFI you may…

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Bad Fuel Valve

Fuel going into crankcase after startup. Were does that vac line connect from the fuel cut off. (the only port I see is at the carb) also the fuel tank vent, does it connect somewhere or just hang? I’m new at this so I need help with some simple things. Thanks in advance for your…

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Harley Carburetor

I have a 1999 Dyna Wideglide with only 36,000 miles on it. I only ride it a couple times a year because I ride my Ultra Classic most of the time. I’ve never had a problem with it until now it wont stay running unless I hold the choke out on the Harley carburetor. If…

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Harley Stock Cam

I would think the air filter and pipes would probably require an Air/Fuel/Ratio increase. Does adding the cam upgrade, definitely need an increase of Air/Fuel/ratio more than just the air filter and pipes? 2002 FLSTCI Heritage From stock to : K&N air filter Hooker long shots (pipes) Bolt-in cam slight upgrade Via Email Any change…

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Rebuilding The Carburetor

Q: Having problems with my 2004 Buell blast its cutting out while I’m riding. The ignition is good and I just bought a new coil. I’m going through and rebuilding the carburetor. Any suggestions? A: What is the reason for the ignition coil replacement? Was there a definitive diagnosis of no spark? Have you confirmed…

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