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Suzuki carburetor 1500 intruder hiccups when holding the throttle steady also when down shifting it pop pop pops back through the exhaust. dual carburetor model 1999

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

robotek
  • 1512 Answers

SOURCE: Exhaust Pipes on 1995 Suzuki Intruder VS

Hi Lcyr. 
Any changes you make to the exhaust system will alter the sound the bike produces. The more you cut baffles,and open up the exhaust, the louder it will get.  What you do alter to a greater extent,is the state of tune of the motorcycle. Any changes to exhaust or inlet plumbing will require a retune of the engine to suit the modifications. This can be subtle to dramatic. Opening up exhausts can often rob low end power where exhaust port scavaging is relient on some back pressure for maximum effect.
 Best to work directly with an engine tuner to do the mods that are known you can get away with, or buy aftermarket prebuilt pipes that have a known previously tested state of tune. Nothing worse than doing something, that then costs money to put back the way it was on finding out it didnt work as well as was hoped.. Hope this has helped you steer your custom mods a little.  I can say with certainty, that I have ventured to do what you are doing many times in the past, and it has always cost me more money in tuning and... and well more parts :)  Cheers
regards robotek

Posted on Jan 20, 2009

  • 190 Answers

SOURCE: backfiring and low compression in back cylinder

sounds if you have a burnt valve/s somewhere

Posted on May 13, 2009

  • 311 Answers

SOURCE: My suzuki 1400 intruder back fires

dont play with the valves it is unecessary,you would be better off checking your exhaust system to make sure it has no leaks,if gas can get out,air can get in this mixes with the unburnt fuel in the pipe and the heat from the next exhast stroke ignites this mixture causing a backfire,or option two is to check that the carbs are not out of balance and are running the correct miture or air/fuel ratio,this can be done with a set of carb balancers and a little bit of time and knowhow..hope this helps

Posted on Jul 06, 2009

  • 68 Answers

SOURCE: Suzuki intruder 1500 charging system

You need to buy a volt meter and set it on 10, or 20 v-. Start the bike and see what it says. A good charging system will show 13-14+ volts. If the meter says 11-12 volts or does not change, you have a bad stator, or rect/reg. Take to a shop to have it further tested. Chaz Moto DC

Posted on Jan 22, 2010

  • 17 Answers

SOURCE: My suzuki intruder is missing backfiring on the

Did you sync the two carbs? If not the rear may be getting all the gas from the rear carb and none to the front. Twist throttle engine off and see if front carb cable is pulling the carb open.
Also unscrew the spark plug boot from the front spark plug wire and trim 1/8th inch off the wire and screw the boot back in. The plug wire end may be corroded on that wire.

Posted on Feb 08, 2010

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1998 Suzuki VL1500 intruder. Put stage 3 kit in it, having an issue if you open the throttle slowly it bogs down and begins to blow black smoke. Any ideas on where to begin troubleshooting?


Hi, Russell just got a request from Andrew to give you a hand, unfortunately, I'm all out of hands would a foot do? if you have changed your fuel delivery system, air filter size or flow rate, mufflers or exhaust system or a significant change in altitude your carburetors need re-tuning and if your fuel system (gas tank, filters, fuel valve and carburetor) is contaminated with ethanol sludge, varnish, rust, dirt, water etc. or your bike has been sitting for months or years without running these components must be "PROPERLY" cleaned and reassembled "CORRECTLY" before any adjustments can be made. Tuning your carburetor is fairly simple once you understand the basic principals. You engine is a simple airbox sucking air in and blowing it out, it is finely tuned at the factory for maximum performance once you upset that delicate balance by changing air filters, camshafts or exhaust systems your performance may go down the and the engine may run poorly, you need to compensate the air-fuel mixture in the carburetor in order for the engine to run smoothly and at peak performance. If you are running multi carburetors you need to sync them first and make sure your air cleaner element is clean and dry for paper elements or lightly oiled for foam and meshed elements and properly installed. Here is how and where you compensate trouble: "TIP" if your engine "BOGS" your not getting enough fuel or air.
1. Closed to 1/8 throttle is managed by the air screw and pilot/slow jet.
2. 1/8 to 1/4 throttle is managed by the air-screw, pilot/slow jet, and throttle slide.
3. 1/4 to 1/2 throttle is managed by the throttle slide and jet needle.
4. 1/2 to 3/4 throttle is managed by the jet needle, needle jet, main jet, and air jet.
5. 3/4 to wide open throttle is managed by the main jet and air jet.
6. Wide open throttle is managed by the main jet.
If you are running lean, spark plug electrode color is white, engine runs hot and feels like it is starving for fuel you need to go up on the jet size or move the c-clip down one notch. If you are running rich, spark plug color is black or dark gray, engine runs cool, and bogs down when accelerating you need to go down on jet size or move the c-clip up one notch. When your carburetor is properly tuned for maximum performance your spark plug electrode will be a light tan color like coffee with cream. If you prefer fuel economy over performance you can go down on main jet sizes until a satisfactory level of lower performance is acceptable versus MPH, your spark plug color will be whiter and your engine will run warmer. These tuning adjustments will only make improvements if your intake and exhaust system have no air leaks or sealing issues and the entire electrical system is in proper working order and you have no mechanical issues. For more information about your issue and valuable "FREE" downloads that you will need please click on the websites below. Good luck and have nice a day.
How to remove welch plug air fuel screw cap from any motorcycle or small... just in case
Carburator Theory and Tuning
Life On 2 Wheels
Suzuki VL1500 Service Manual
OEM parts for Suzuki
Suzuki Intruder VL1500B Owner Manual

Apr 12, 2017 | 2000 Suzuki VL 1500 Intruder LC

1 Answer

Bacoccire when it star 2003 intruder lc


You may need your air filters changed and carbs adjusted. Aso this bike has sort of an afterburner unit which pops off unburned fuel in the exhaust. Some guys remove it and plug the lines.
Intruder Alert Suzuki Intruder and Boulevard Owners Club

Jul 18, 2014 | 2004 Suzuki Intruder LC 1500

1 Answer

SUZUKI 2005 DR650SE DUAL SPORT RUNS GREAT BUT AT IDLE THERE IS A SLIGHT POPPING IN IDLE RYTHYM, ALSO BACKFIRES SLIGHTLY WHEN DOWNSHIFTING...HELP


Carefully check your intake manifold for leaks, cracks, separation. An air leak on the intake side between the carburetor and the cylinder head would be the cause of popping on the intake side. If there are leaks in the exhaust system, an o-ring seal in the head, or a seal between the head pipe and the muffler, this can cause popping or backfiring in the exhaust.

Feb 25, 2011 | 2005 Suzuki DR 650 SE

2 Answers

2000 Suzuki vs800GL Intruder Engine stumbles


If you use a High octane gas, this may happen on the VL1500, You should only use regular Gas, and you will see a difference.

Apr 25, 2010 | 2002 Suzuki VL 1500 Intruder LC

2 Answers

My suzuki intruder is missing backfiring on the


Did you sync the two carbs? If not the rear may be getting all the gas from the rear carb and none to the front. Twist throttle engine off and see if front carb cable is pulling the carb open.
Also unscrew the spark plug boot from the front spark plug wire and trim 1/8th inch off the wire and screw the boot back in. The plug wire end may be corroded on that wire.

Feb 05, 2010 | 2004 Suzuki VS 1400 Intruder

1 Answer

Changed exhaust did not rejet pops when ideling


If you went to a less restrictive exhaust and didnt rejet and the bike is popping its running to lean. Need to rejet the carbs when you open up the exhaust.

Jan 05, 2010 | 2001 Suzuki VL 1500 Intruder LC

1 Answer

What will happen if I use automotive carb cleaner?


Nothing. Your best bet is to give to a professional. If you are somewhat mechanically inclined, you can tackle the job yourself. If you can get past dismounting the carburetors while remembering how it is installed into the bike (I recommend taking pictures), then you are more than capable of cleaning the carbs yourself. Let me know if you need any help with that. A service manual can be very helpful during this and other repair jobs. Remember, riding your bike is more fun after you fix something yourself.

Nov 05, 2009 | 2003 Suzuki VS 800 Intruder

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