The bike acts like it is running out of fuel, and the only way to keep it running is to go to full throttle. Changed the fuel filter, drained and cleaned the fuel tank, tried to remove any blockages in the "breather" line that runs from the gas cap down to a hose that goes to the bottom of the bike, This doesn't happen very often, but enough to keep me from exrended trips
SOURCE: 2000 Vulcan Nomad 1500 FI - Bike was sitting for 6
You need to remove the carbs and dismantle them completly and adjust them to spec. Also change the fuel filter.
SOURCE: carburator problem
Hi and welcome to FixYa,
Offhand would suggest a rebuilt/clean of the carbs. A temporary workaround would be to switch off the fuel petcock, remove the fuel hose, partially drain the carbs and spray into the fuel hose (going into the carbs) injector/carb cleaner. Reinstall fuel hose, turn on fuel. Remove the air filter and start the bike. After warmup, rev while spraying injector/carb cleaner into the opening where the air filter should be. Get a hard paper/board (such as a folder) cut to a size bigger than the air filter but would fit inside the opening of the airbox. Rev/pump the bike slowly building the RPM at about 4~5K suddenly cover the opening (with the board) to fully choke the carbs while maintaining throttle. Before the engine dies, remove the cover. Spray again while revving. Repeat choking/spraying several times. The idea is for the vaccum to draw the clog/blockages.
Pls post back result(s). Good luck and Thank you for using FixYa.
SOURCE: Air box and crank case fuel flooding problem
Well there only one way the fuel can get into the crankcase and that's from the fuel tank. The petcock must be draining and the float needles are not stopping the fuel flow. Do you have a prime position on the petcock? If so do not run the bike in the position. Try topping the tank off with gas and letting it sit for a while and see is the gas has gone down and then check the crankcase and see if there's fuel in it again. i still say its got to be your petcock.
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SOURCE: I have a 95 Kawasaki Vulcan 800. Here lately I
Sounds like the carb has not been cleaned properly, gas overflow like that could be caused from a worn seat/needle. Did you put after market exhaust on it?
SOURCE: My 2007 Kawasaki KFX50 starts and idles fine, but
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Some articles I have read suggest removing the stock auto-choke carb and replacing it with a Honda CT70 Carb. Check with a local shop to verify, I do not own either and am just passing along the info.
Another solution suggested by 'OneRide': Try it with the gas cap off. The tank vent might be plugged. Possibly plugged fuel filter. Are you using the choke correctly?
This seems to be a very common problem and no 'one' solution to fix it.
I hope this helps.
-spaz
www.leeds-pc.com
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yes, it does accelerate when I go to full throttle. It has a carburator. I've owned this bike for 3 years and have put 14,000 miles on the odometer. this has happened 4 times. For the life of me, I can think of no common thread why it happens.
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