Question about 2006 Yamaha V Star 1100 Custom

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My 2006 yamaha v star custom backfires slightly and exhaust burns your eyes at idle

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SOUNDS LIKE IT IS TO RICH OR THE VALVES NEED CHECKED ALSO HAVE YOU INSTALLED PIPES OR TAKIN OUT BAFFLES,MAKES A DIFFERENCE,JETTING WISE ALSO STOCK AIRFILTERS ARE ****,GET ATLEST A UNI FILTER COST MAYBE 20 TO 30 OR K N.COST 50 TO 60 IF YOU GOT THE MONEY GET THE ARLEN NESS PACKAGE OR HYPER CHARGER,THOSE BIKES DONT BREATH WELLALSO CHECK YOUR TAIL PIPES ARE THEY WET OR ALOT OF RESIDUE.IF SO THAT IS SIGNS OF BOTH TO RICH OR CHOKING OR BOTH
ALSO THIS NEW GAS IS ****,WHAT I WOULD DO CHEAPEST,IS INSTALL NEW AIRFILTER,NEW PLUGS AND AT THE BOTTOM OF YOUR CARBS UNLESS FUEL INJ IS DRAIN SCREWS UNSCREW THEM UNTILL GAS DRAINS OUT AND RETIGHTEN IN CASE YOU BIKE HAS ANY WATER LAYING IN THE BOWLS,MAKE SURE YOU ARE IN A WELL VENTALATED AREA.,YOU MAY ALSO TRY TURNING YOUR FUEL METERING SCREWS A HALF A TURN AT A TIME TILL YOU GET YOUR LIKING,BUT YOU NEED TO TURN ,RIDE THEN READJUST

Posted on Mar 17, 2011

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1 Answer

Yamaha 1100 2006 v star engine will not idle


Hi, Anonymous and the usual suspects are:
1. Idle speed improperly adjusted.
2. Air fuel mixture screws not properly adjusted.
3. Inlet system air leak.
4. Leaking accelerator pump.
5. Loose low-speed jet.
6. Plugged low-speed jet.
7. Contaminated or plugged low-speed circuit.
8. Enrichner valve/choke not seated or leaking.
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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http://www.sloneservices.com/SilverBack/Other-Stuff/V-StarShopManual99-07.pdf
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May 29, 2014 | 2006 Yamaha V Star 1100 Classic

1 Answer

Low rough idle speed , back firing when slowing down or gearing down runs great at higher speeds and idles after it warms up but idle speed is very low. thank you


Check for an air leak at either the exhaust manifold or the intake manifold. Backfiring on decceleration usually indicates a lean issue but can also be caused by a leaking exhaust gasket. Rough idle can be caused by an air leak as well. The easiest way to find a leak is to spray carburetor cleaner around the intake on the cylinder head. If the engine speed picks up you have found your issue. Also what are the modifications if any on this bike?

Aug 03, 2011 | 1999 Yamaha V Star Custom

1 Answer

2006 Yamaha V Star 1100 Custom running rough and backfires


Hi, Mgoddard713 and the usual suspects are:
1. Severely discharged or a damaged battery should have 12.5 volts or more and be able to pass a proper "LOAD" test if necessary, you may have a preliminary reading of 12.5 volts or more but little or zero amperage the battery is faulty and must be replaced, AGM batteries fail in this scenario more so than lead acid batteries.
2. Check battery terminals for damage or corrosion, check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
3. Faulty main circuit breaker and or connections.
4. Faulty ignition coil and or connections.
5. Faulty spark plug, oil or gas fouled, wrong heat range or service type, wrong gap, loose in the cylinder head, broken electrode or insulator.
6. Faulty spark plug cables, leaking or broken, internal damage check for spark leakage in the dark.
7. Faulty ignition module, switch, CKP, MAP, CMP, sensor and or any connector in the ignition circuit could have corroded, loose, or broken pins/sockets
8. Burnt exhaust valve or air leak in the exhaust system.
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.
http://www.starbikeforums.com/forums/49-v-star/6770-backfire-popping.html
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Dec 28, 2010 | 2006 Yamaha V Star 1100 Custom

1 Answer

Shifting up or down, my forward piston backfires.


Popping from the exhausts is common on V stars. It is usually caused by an air leak at the exhaust header. So check this by either check tightening the bolts & using a piece of hose(about 500mm long),one end in your ear, the other at the header(where it bolts to the head). Listen for exhaust leaks. If you hear any replace the header gaskets.A customer of mine very recently fitted 2 gaskets to stop his bike poping after fitting aftermarket pipes. If all this checks OK.Use the hose again to listen for air leaks at the carby inlet manifolds. Air leaks hear cause a lean mixture & can cause backfireing. Also backfireing can be caused by carburettor imbalance.
Hope this helps
Regards Andy

Jul 14, 2010 | 2003 Yamaha V Star 1100 Custom

1 Answer

I found the valve specs for an adjustment on my 2006 yamaha custom 1100 on line the exhaust is at .12 and intake at .07 but i am still getting a backfire and now i can hear the valves ticking what could i...


If they are ticking, they are set too loose. try tightening them until they seat snuggly against the feeler gauge, tighten the nut, then wiggle the feeler gauge out. I am assuming you know the valves need to be adjusted while the piston for that cylinder is at top dead center?

Oct 12, 2009 | 2006 Yamaha V Star Custom

1 Answer

Backfires


YOU ARE NOT BURNING ALL THE FUEL IN THE CYLINDER HTE FUEL THAT ISNT BURNT GOES IN THE EXHAUST AND WHEN YOU DEACCELERATE IT WILL BACK FIRE SO THERE IS TO MUCH FUEL GOING INTO THE CYLINDER ON CARB THERE ARE 2 SCREWS 1 FOR IDLE AND 1 FOR MIXTURE ADJUST THE MIXTURE ONE SCREW IT IN 1/4 OF TURN AND TRY IT

Aug 24, 2009 | 1999 Yamaha V Star Classic

1 Answer

Bike backfires and at an idle it shoots out a blue flame


Purchase a EFI controller. I suggest a Fi2000R. It is easy to hook up and fairly easy to set by the instructions.

Aug 15, 2009 | 2004 Yamaha FJR 1300

1 Answer

Backfire


ya u got a exhust leak

Apr 03, 2009 | 2006 Yamaha V Star Custom

1 Answer

Backfire after shutoff


With the key off and the engine "running down", the idle circuit fuel is still going to into each cylinder then out the exhaust. A hot spot in the exhaust can ignite the unburned fuel creating an explosion, ( backfire ). Let the engine run down to an idle THEN turn the key off.

Please rate this answer. Thanks!

Mar 31, 2009 | 2006 Yamaha Road Star

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