Question about 1997 Yamaha Royal Star XVZ 1300 A

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How Do You Set The Carb. Float Levels on a 1997 XVZ 1300 A Motorcycle?

I pulled the Carb. Rack off of my 1997 XVZ 1300 A Motorcycle for cleaning. I want to check the float levels on the Carbs. before I put them back on. What level should the fuel be in the float bowls?

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Posted on Jan 02, 2017

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SOURCE: 1996 Yamaha Royal Star XVZ 1300 oil clutch

10w40 or 10w 50. Either will do fine.

Posted on Apr 11, 2009

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SOURCE: starts easy wont rev at all

hi m8y,, soundz to me the float heights are wrong,,have u tried that at all, u can only check that when the carbs are taken out and turned upside down,, all four floats should be the same height,, check wot the measurements should be in the manual,,if u have one,, if u havent try these guyz 4 a downloadable manual,,, ,, if all is cool and correct,come back in m8 and il take u threw the next step,, cheers

Posted on Apr 28, 2009

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SOURCE: Gas coming out yz 125 airway next to float bowl

By spraying it you may have inadvertently blown dirt or grime even further into the carb. It doesn't take much to cause the float to stick open. This would result in a constant flow of fuel into the bowl. Once filled it will escape via the overflow.
The best way to clean the carb is to remove it from the motor, disassemble it and clean it using a small brush. If you have never done this before just take you time and make sure you have a clean work space to do this in. There are really very few parts to this type of carburetor and once you have done it a couple time you can take it apart clean it and have it back on in under an hour.
Hope this helps.

Posted on Sep 03, 2009

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SOURCE: have a yamaha ttr 125 motorcycle 2005 wont idel

try 11/2 to 2 turns from seated position if it had a washer and o ring on it make sure you install them back on.

Posted on Apr 05, 2010

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SOURCE: Have a 2001 Yamaha 1100, carbs are leaking, why?

Fuel over flow is normally caused by dirt getting into the fuel lines and blocking the valve in the float bowl. The reason that if wont fire is because there is too much fuel in the engine and it is flooding.

Turn the fuel off and remove the carb.

take off the float bowl and remove the float. held in by a bar.

check the valve and blast compressed air into the valve seat to clear any debris.

Rebuild the float bowl but do not put the case back on yet. a simple test to see if it has worked is to gently hold the float whilst blowing down the fuel line.
As you move the float up and down by hand it should be harder or easier to blow, resulting in a complete stop when you close the valve completely. (BE CAREFUL NOT TO APPLY TOO MUCH PRESSURE TO THE FLOAT BOWL)
as this could bend the float. Once happy with the operation of the float, replace the case and install back on the bike.

Please reply if this does not fix the problem.

Posted on Apr 06, 2010

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Sep 01, 2012 | 1997 Yamaha Royal Star XVZ 1300 A

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Yamaha royal star xvz 1300 won't idle without choke

Hi, Anonymous and the usual suspects are:
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Jan 01, 2012 | 1996 Yamaha Royal Star XVZ 1300 A

1 Answer

Fuel over flows thru overflow tubes only when motor is running. motor off ignition on it stops.

Your gas tank petcock is diaphram operated.
there is a vacuum line coming off the intake, that goes straightb to the petcock.
when you turn the motor over a vacuum is created, pulling the petcock diaphram back and allowing fuel to flow to your carburetor. when you turn the motor off the vaumm is gone and the spring behind the diaphram pushes it closed and stops the fuel flow to the carbs.

Now the reason the carbs are overflowing is because the floats valves are not closing, in other words the floats are sticking.
Usually a good carb clean will cure the problem, especially for that year.
the older ones usually require new float valves/seats that are usually found in a good carb rebuild kit. You shouldn't need one.

If your really broke try tapping on the bowls of the carburetor lightly, while the engine is running, sometimes the vibration will vibrate a particle loose that may be holding open the float valve.
if it works then the fuel should stop overflowing while running.

if you know how to work on it, try this, with the engine off.
open the carburetor drain screws so that fuel will run out the carb. drain. flush out the carb.
get a container to catch the gasoline.
while fuel is flowing tap the carb bowls a few times then closed the drain screws.
clean up any spilled gasoline .
start your bike.see if they stop leaking and the floats are closing.
if it still leaks, you'll need the cleaning.

Happy Riding
Best Regards
Big Al

May 22, 2011 | 1997 Yamaha Royal Star XVZ 1300 A

1 Answer

I Have a 1997 Royal star. that I have pulled off all four carbs and then pulled apart and cleaned all the jets. I flushed out all the old fuel and the fuel pump works great. I put the carbs back on the...

sounds like the float level height is set a little low. you might have accidently readjusted the setting. just raise the float level height a little bit and you should be okay.

Apr 19, 2010 | 1997 Yamaha Royal Star XVZ 1300 A

1 Answer

With key on it leaks gas from a rectangular box located between clylinders ,how do I remove this

Most likely your needle valves in your carbs are worn or have some contamination stopping them closing properly the floats aren't able to hold them shut and the overflow is running out your air box.
Drop your float bowls clean and blow out your fuel lines and the bowls themselves. Make sure the float levels are set correctly. check the needle valves for wear and replace if necessary .
Good luck

Mar 30, 2010 | 1996 Yamaha Royal Star XVZ 1300 A

1 Answer

Blocked carb,how to clean

Pretty streight forward. Go to the site below and download a free PDF service manual. The one closest to your model is number 41 from the bottom of the list. It may not be yout exact model but it is the same year and engine size. Very strong chance that the engine and carbs are exactly what you have.

Drain the carburetors. There should be a screw on the lower side of each carb float bowl. Remove the screw then replace it after the fuel drains. Remove the water trap bowl at the bottom of the petcock, (gas valve). Is there any water or trash in the bowl? Drain a cup of gas from the tank. Is there any water or trash in the cup? Dump it, clean it and re-mount it, (not all bikes have a water trap bowl). Turn the gas back on and wait a minute for the carbs to fill with gas. Install new stock NGK spark plugs and try to start the engine. If the bike doesn't start and run properly then shut off the gas and remove the carburetors from the engine.

FOR EACH CARB > Remove the float bowl and clean the entire
carb with a spray carb cleaner from the auto parts store. Wear protective goggles to avoid getting spray in your eyes. Spray into all the little airways and fittings in the carb. Remove the idle screw and the air screw on the outside throat of the carb and spray into the screw holes as well.
Be sure to put these two screws back in the same hole they came out of. IMPORTANT > do not tighten these two screws down. Only screw these in until they LIGHTLY seat. Now turn each screw one and one half turns outward. Put the rest of the
carb back together, clean the air filter and install the carb. Let the float bowl fill then start the engine. This process should get you back on the road.

Please rate this solution. Thanks!

Apr 18, 2009 | 1999 Yamaha Royal Star XVZ 1300 A

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