Question about 2008 Yamaha Royal Star Venture

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Carb problems I have a 2007 royal star tour delux,if the bike sits for 2 weeks without starting it the carbs start gumming up, the bike has very low milage on it and the dealer says its the gas we now are buying. Ive owened many bikes, this is the first for this problem,The dealer keeps wanting us to bring the bike in so they can clean the carbs.However this is costing around 200.00 each time . What going on , any help would be very helpful. Anyone else haviny this problem , No one at the dealer told us that this bike had to be rode daily or if would not run.......

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  • eurotype3 Jan 19, 2009

    I bought the bike new , first time this happened the dealer worked on the bike and said that the carbs were gumed up they cleaned .them.again still keeping the additive Stabil in the gas tank , the dealer is saying now that the gas is older than 30 days old "gas is junk" I though if you put stabil in the gas you could store the bike over the winter . Not so by them 30 days gas is no good and carbs will gum up.The bike will not start now. The dealer says the needle valves in this bike are so small it dosent take much to gum them up.I just have a hard time beleiving that all royal star oweners are dealing with this problem also.Why is this happening. Bike only has 200 miles on it , cant ride it if it wont run,,

    very confused please help if you can...

  • micnic Apr 08, 2009

    Just bough brand new 2008 left it for two weeks without start up and now it wont run - could be an ongoing problem with this model???? So'll take a look at the problems mentioned.....thanks for the posts

  • Dick
    Dick May 11, 2010

    The dealer is lying to you. If your carbs are really "gumming up" there are a couple things you can try. First, install an inline fuel filter. I suggest one of the small glass ones so you can see if it is picking up anything from your tank. I think you will find that it is not. The next think you can try is an additive in the gas, Stabil or Gumout or STP fuel treatment. I think you will find those do nothing either, indicating your problem lies somewhere other than inside the gas tank.

    What indication do you have that the carbs are gumming up? Have you seen the gum? What color is it? Where exactly is it appearing? Needles, jets, intake?


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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.

Posted on Jan 25, 2009

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I have had my 06 royal star sense she was new i never use stabil or any other additive in the new jersey winter when i put it up. i do however run all the fuel from the carbs by closing the fuel valve and running it till the bike konks out. this ensures that no fuel is left in the carbs to gum it up in the first place. my first ride of each season commonly gets rid of the old gas and my first fill up after that is premium high test. she runs like a top long and strong. 16kmiles and counting.

Posted on May 02, 2012

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I have a 2007 Royal Star Tour Deluxe and have never had the problem you state. I have 20K+ on the bike and it has gone for several weeks and over a month in the winter without being ridden. I am changing the spark plugs today even though they could really stay in the bike. I use mid-grade gas and every 1000 miles or so I put a half bottle of Lucas gas treatment in it. I use synthetic motor oil, not so-called motorcycle oil which is a bad joke the oil companies play on us. I also add a bottle of STP oil treatment with every change. In the winter I try to remember to start the bike every two weeks or so and let it run for 10 minutes. Never have used Stabil. The bike runs like a top and has never needed service. I wonder if you are being duped. I think the guy who suggested that you look at the gummy parts is right on. Unless your bike is real different, it has a carburator, not injector ports.

Posted on Apr 18, 2009

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< < READ CLOSELY > >
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Please rate this solution. Thanks!

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