Question about 2007 Yamaha Royal Star Venture

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When i start my 2005 royal star venture it leaking fuel, coming from top of carbs under gas tank, what could be causing this problem, it does not do it all the time

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Stuck floats!...purchase a can of Sea Foam from any Autostore pour in about a third of a can per every 2 gals of fuel.. and then you must ride it for a least 30 miles to let it work through the fuel system, also obviously check the main fuel line hose feed for secure connections to the carbs..i had a bad fuel leak once and it was pouring out fast, it ended up being a bad rubber gasket going one side of the fuel tee connection.

Posted on Aug 19, 2010


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Bike sat for a year. Started up and fuel spilled everywhere

Hi, Anonymous if your bike has been sitting idle for months or years and you did not do any pre-storage maintenance I feel your pain it will probably have a dead battery and not want to start or if it starts it will idle and run poorly, here are the following steps necessary to complete in order to get your bike back to an acceptable running condition.
1. If your battery was 2-3 years old when you last had the bike running you should replace it.
2. If you believe your battery might still be serviceable remove it from the bike and put it on a 1 or 2 amp trickle charger for 24 hours. If it is the old lead acid type with visible cells and acid levels fill each cell to the top line with distilled water and replace the caps, run the vent tube into a plastic or styrofoam cup, any cells that are cloudy/milky replace the battery.
3. After charging remove the leads and let the battery sit for a couple of hours then check the battery voltage with a volt meter, you should have 12.5 volts or better, any readings in the 11 volt range you need to do a proper load test on the battery and replace as necessary, any readings in the 10 volt range you have a dead cell and replace the battery.
4. Drain and flush fuel tank, google " how to clean a motorcycle gas tank" find a couple forums to view the different options available.
5. Remove your air cleaner and clean and re-oil per Mfg. specifications.
6. Remove the carburetor, disassemble and decontaminate with a carb dip or if you have EFI remove injectors and clean with carb spray and compressed air
7. Remove fuel valve and filter disassemble and clean as necessary, remove fuel lines and replace with new ones.
8. Replace spark plug with a new one and check for spark.
For more information about your issue and valuable "FREE" downloads that you will need please click on the websites below. Good luck and have a nice day.
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you have fuel pump run gas line direct to carbs inlet will run fine dont buy 400.00 dollar fuel pump from yamaha

Apr 15, 2012 | 2008 Yamaha Royal Star Venture

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Gas is pouring out of the overflow hose between the carbs on my 96 Royal star. It has never done this before. when the key is turned on the pumps clicks a few times and gas comes pouring out and when I...

Hi, Osierj and the usual suspects are:
1. Damaged or restricted fuel tank venting system.
2. Loose float bowl screws.
3. Damaged float bowl o-ring.
4. improper fuel level in the float bowl.
5. Worn or dirty inlet valve or seat.
6. Damaged or leaking float assembly.
7. Particle contamination in inlet fitting cavity.
8. Damaged petcock diaphragm allowing fuel to flow through the vacuum line into the combustion chamber.
For more information about your issue and valuable "FREE" downloads that you will need please click on the blue links below. Good luck and have a wonderful day.
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Oct 17, 2010 | 2007 Yamaha Royal Star Tour Deluxe

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Fuel filter replacement

Find the fuel line off the petcock and follow it to the fuel pump. The filter is between the fuel pump and petcock under the fuel tank

May 27, 2010 | 2007 Yamaha Royal Star Venture

1 Answer

My 06 venture is leaking fuel from under the tank on left side about in line with the rear carbs, havent looked under there and fuel dosent hit the ground or heads

There's a fuel block under the tank that splits the single output from the petcock to four lines to the carburetors; a cracked or broken line or a damaged block could be the source of the leak. There's also a fuel level sensor on the underside of the tank that can leak and cause the same problem. A cheap diagnostic tool might show you the source of the leak:
mix powdered clothes detergent with water until it's a thin paste, add red (or any other bright color) food coloring to the paste, paint paste all over areas that may cause the leak (in this case, you'd paint all the fuel lines to the carburetors, and the entire underside of the tank). Drive until leaking gas is noted, check for missing colored paste.

May 01, 2010 | 2006 Yamaha Royal Star Venture

1 Answer

Fuel leak

The carb/s are flooding , you will have to check the float pin and the float, a good clean with compressed air should do the job, check too the fuel line and the fuel filter.
Hope this helps!

May 23, 2009 | 2008 Yamaha Royal Star Venture

3 Answers

Carb problems

if & when you do get it running again, does the bike have a petcock at the gas tank? if it does, when the bike is running before you are about to park it for 2 weeks, turn the petcock off and let the bike die on its own (from fuel starvation). this will ensure there is (almost) no gas in the carb to cause any gumming. you can drain the little bit that is left with the carb bowl drain screw. then when you're ready to ride again, simply turn the petcock on, wait a few seconds for the carb bowl to fill, then hit the start button.

Jan 18, 2009 | 2008 Yamaha Royal Star Venture

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