Question about 2007 Yamaha Royal Star Tour Deluxe

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Knocking after being wrecked

My son laid my royal star venture down and the bike landed in water. It stayed there for about an hour before being pulled out. The lower cowling was broken and the wiring was submerged. The bike sat for about 2 weeks before the shop had time to look at it. At that time it had a miss and backfire. I took it home, replaced the plugs. Miss is gone but the backfire is still there,also, there is a knock (maybe an exhaust leak) any ideas on what to look for next?

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  • 46 Answers

Sounds like it jumped time mechanically. Keep in mind young men with Daddy's bike want to show off and be a badass. Having said that the motor was probably revved up and over into the red line and treated like hell bent for leather. A hard backfire can cause a connecting rod to be bent. The engine was most probably also very hot when it hit the water... oh ! STUFF. Cracked something? I hope not. If the bike is your baby, I suggest a complete dis-assembly and inspection before something breaks and causes more serious damage.

Posted on Feb 08, 2014

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Posted on Jan 02, 2017

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  • 15 Answers

SOURCE: Yamaha V-Star 1100 backfires and will not run without choke on

Here are two solutions for you:
A - Take the carberator off and soak it in some good quality carb cleaner for about 1/2 an hour.  That should take care of any residue in the carbs.
B - Alternatively (and for the less technical minded) there is a great product called Sea Foam.  Try to find it at your local CSK auto/NAPA/Wal-Mart.  Pour a small amount (maybe 1/4 ounce) into each cylinder chamber (take out the spark plugs), try to pour a small amount into the carbs (a turkey baster works great for this), and pour the rest into the gas tank.  Let it sit for 5-10 minutes, then start it up.  *NOTE - the bike will start VERY hard at first until it burns through what's in the cylinders.  ALSO the fumes will be EXTREMELY strong and suffocating - make sure you do this OUTDOORS preferably, or at least in a VERY well ventilated area.
Good luck - I know how frustrating these things can be! :)
P.S. - I am a proud owner of a V-Star 1300 - great bikes! :)

Posted on May 26, 2009

  • 1 Answer

SOURCE: 08 yamaha royal star venture: gas mileage dropped over last month

I had same problem.....had carbs re-synced..book requires this to be done every 8k miles...If you haven't done this I think it is the first place to start....good luck...long_black_train

Posted on Aug 05, 2009

  • 9 Answers

SOURCE: I just bought a yamaha XJ750 Maxim 1983. The

Pull the cab off spray it with carb cleaner, pull float bowl off to spray it clean, be careful not to drop anything and check to make sure your floats move up and down...I would suggest taking the carb over to a friend that know about carbs and he can clean it for you in just a few minutes.

Posted on Mar 24, 2010

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