Question about Harley Davidson FXDX Dyna Super Glide Sport Motorcycles
While riding this morning i left a stop sign and not making it down the road a 1/4 mile i noticed the bike was running rough i pulled over and saw fuel running out of the bottom of the breather cover. I trailered the bike home and removed the cover and restarted the bike it started up ok and ran about 3 minutes i saw that the fuel was running out of the small hole in the bottom of the carb "the one in the back there are two behind the throttle jet what is this and what could be the problem.
Hi Glydrider, Check for float level too high, float cracked and filled with gas, needle and or seat worn or contaminated and bowl vent tube closed off or blocked. Good luck
Posted on May 06, 2015
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Posted on Jan 02, 2017
first ya need to suspend it in the air using a bike jack loosen chain tension on it unbolt the axel and it should come out from the rear of the bike
Posted on Mar 27, 2009
There may not be an in-line fuel filter on the bike. Most bikes don't come with them. Yes, the fuel petcock has two screen filters on one pipe and they can get clogged up. Remove the tank then remove the petcock and clean it. The gas in the tank should be dumped into a clear plastic storage bin so that you can see if there is any water in the gas as well as rust and trash. Your bike is 15 years old and the inside of the tank may be rusty. If so, Google “ kreem fuel tank liner “ or go to
This will end the rust problem. Go ahead an install an in-line fuel filter. There is a drain plug on the lower left side of each carb. Drain each carb into a clear container and look for water and trash. You may need to clean the carbs but hold off to see if the other stuff fixes the problem.
Go to the site below where you can see a parts diagram for your specific bike. You will select the actual brand, year, model, etc., once you go to the site. Part numbers and prices are also shown. You can order parts from this site. In the event no price is shown on a particular part, the part is not in stock.
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Posted on Jun 04, 2009
Your Twin Cam plug should be a 6R 12 Harley Plug. Often times the back fire is just the nature of the beast depending on what type of pipes you are running. Harleys do run lean, its an EPA thing thtas why they choke them down from the factory. Since you have a carb you could have an intake leak around the Intake. Also Under the carb is an adjustment screw. Harley plugs it up so people don't play with it. You have to just drill out the plug this will set your air fuel. Whenever I take a carb off I drill out that plug. Heat your bike up operating temp and ear tune that screw. Only other way is with air fuel analizer or a dyno. good luck.also that backfire is caused by fuel hitting your exhaust when you let off just to let you know.
Posted on Jun 15, 2009
SOURCE: Gilera Nordwest Carb setting
I have a gilera RC 600 which has the same engine as the nordwest, the problem could be the carb needs to be stripped and cleaned and replace the foam air filter with a paper one. For accurate advice and spares which are quickly posted, contact BOB WRIGHT at 0044193451033. He is the official UK gilera specialist, tell him I sent you, say the guy in southern Ireland, and he will look after you. Good Luck.
PS please rate me if this helped
Posted on Jun 26, 2009
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