Question about Suzuki VS 800 Intruder Motorcycles

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My 1998 suzuki vs800 intuder bogs down when you take off and is burning rich and i need to know how to adjust the fule at the carbs

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I would be much more inclined to check the choke, it sounds like it's stuck on or at least partially.
Any bike will do this if the choke valves are closed or partially closed even.
You might be surprised that the solution is as simple as turning off the choke (opening the valve) is the solution.
And yes, this would very much so cause the bike to run rich as well.
Good for starting up, not good for running!

Posted on Apr 06, 2011

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Posted on Jan 02, 2017

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1 Answer

My 2000 Suzuki intruder vs800 when giving gas tries to bogs down and skip even when idling has a little pop and only tries to run on the front cylinder like the rear cylinder is miss-firing, already...


Make sure the battery is fully charged and check your charging system to make sure you are putting out 14 volts or so. If yes then check the spark plug wires for defects, then check the spark plug itself if black or wet looking then it may be from a fouled plug or weak spark. If you can switch the coils to see if that has the opposite effect.

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Ttr90 bogs down at high rpms


I have a ttr 90 that idles well but bogs down at full throttle. Carb is clean and has new pilot and main jets. Seems to run slightly better with intake off. Which leads me to believe the mixture is rich. No adjustment on carb. Stumped?

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My 1993 Suzuki Intruder VS800 is leaking gas. We have changed carb floats and cables. What is next?


Hi,,check your float level,,as you have changed the floats the level will need adjusting,,

Aug 03, 2011 | 1993 Suzuki VS 800 Intruder

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Need a labeled carburetor diagram so I can synchronize, clean, and adjust the carbs. Also need to steps to change the diaphram adn check the timing chain.My engine seems to be running rich, how do I fix...


The site below has got all but the tappet clearances covered. You will need a service manual for the correct valve clearances or a friendly word to your dealer if you want to do it yourself.

Front and rear carbies' are depicted in exploded view form with all parts named and numbered. The diaphrams and idle adjustments are clearly shown. All sections of the bike are covered.

As for the timing chains, they are self adjusting and when adjustment runs out, the chains must be replaced.

Richness is governed by the size of the carby jets, smaller numbers are leaner.

Cheers!

http://www.cmsnl.com/suzuki-vs800-gl-intruder-1992-1997-usa_model16322/partslist/

Sep 28, 2010 | Suzuki VS 800 Intruder Motorcycles

1 Answer

1982 Suzuki GS 750 E bogs after 3000 rpm carbs have been rebuilt


Hi, K_huffman engine "BOG" is mainly caused by a rich air and lean fuel condition but it can also be caused by a lean air and rich fuel condition this situation rarely occurs and is only caused by the misinformed weekend warrior that owns a toolbox.
The more you open your throttle the more vacuum you are creating in your carburetor venturi and your intake manifold. When you are operating at higher RPM any unmetered air that leaks into your system can become more obvious.
Unmetered air is air that is getting into your system after the fuel has been delivered. If you have unmetered air getting into your system between the butterfly/slide of the carburetor and the cylinder head this will create a lean condition.
All of the rubber components of the fuel system like vacuum hoses and intake manifold that you mount the carburetor to are made of rubber. If none of these components have been changed they are more than likely highly degraded and probably cracked in places to allow unwanted-unmetered-contaminated air into the combustion chamber. Check all of your vacuum lines and vacuum plugs for carburetor synchronization. The vacuum plugs are in the head just after the rubber intake manifolds. The petcock has a vacuum line as well as part of the emission system.
1. Check the intake manifold for fissures.
2. Ensure the bands used to tighten the manifolds down on the intake are secure and have not bound up the manifold.
3. Make sure air box fittings are not warped and fit completely over the carburetor.
Your airbox is metering air and is the first step in a process of consuming air and fuel. The system requires the resistance of the air filter in order to get the proper vacuum to "SUCK" the fuel out of the float bowl and create the proper venturi effect.
Improper mounting and sealing of the airbox will create a small lean effect. This might seem like no big deal but you are inviting dust and debris in your engine that is doing slow damage by not having proper fitment. Fix it so you know it's not contributing to your issue. Pick the low-hanging fruit first.
Do not go and start adjusting anything at this point. It ran fine before. There is something wrong with the assembly or a component. Do not adjust your floats. Get it back to where it was. The moment you start tweaking everything is the moment you lose OEM settings which are a must-have for fine-tuning and maximum performance.
Fine-tuning your carburetor and multi carb syncing come at the very end following the proper procedure established by the Carburetor Gods.
For more information about your issue and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below. Good luck and have a wonderful day.
Thread My GS850 Bogs down when accelerated quickly
77 GS750 Bogs on throttle
http://www.vanluik.eu/Suzuki%20GS750%20Service%20Manual.pdf
OEM parts for Suzuki
http://mybikemanuals.com/suzuki/suzuki-gs-owners-manuals

Sep 22, 2010 | 1978 Suzuki GS 750 E

3 Answers

'bogging' down in low gear


your carbs will need a good service ,pinning the throttle wide open wont help either ,so open throttle slowly. I expect your needle valve in the carb has gone oval ,it should be round allso check the needle condition no scores, but first clean and adjust your pilot screw,best thing is to get a haynes manual to find the proper setting for it,but quite simple to do.

Mar 12, 2010 | 1993 Suzuki GSF 250 Bandit

1 Answer

WHY IS MY 2004 SUZUKI SAVAGE BACKFIRING WHEN I LET OFF THE THROTTLE OR TURN IT OFF THERS A VACUUM HOSE ON THE LEFT OF THE CARB BUT I CANT FIND WHER IT GOES


Backfiring is usually a symptom of the engine burning too lean. A vacuum hose is not usually the cause of this problem so don't fiddle with the vacuum hose...yet. We need to establish whether the engine is running lean, normal, or rich. The easiest way to tell is to pull a spark plug and examine the electrode. If the engine is lean, the electrode will have a light-brownish color; if normal, the electrode will be black but not sooty; if rich, the elecrode will be black,sooty and most likely wet (excess fuel).

If the plug shows signs of lean burn, you can adjust the a/f screw to increase the amount of fuel. Conversely if the plug shows signs of rich burn, you can adjust the a/f screw to decrease the amount of fuel. Typically, on a stock carb, the a/f screw is at the bottom of the carb and requires a special tool to adjust it.

My recommendation to you is to take your bike to a good indie (independent) bike shop and have them take a look at it. Unless you have been wrenching on bikes for at least 5 years, that is the best course of action. Typically, if you do not know what an a/f screw is, you need to go to a shop.

Jan 05, 2010 | Suzuki LS 650 Savage Motorcycles

2 Answers

Have a suzuki 900 rf 900 when you give it gas it bogs down then picks back up and runs good have checked the carbs and intakes look fine


Sounds like a lean condition. Particularly a transition from a lesser jet to the main jet in the carbs.
Depending on how severe the problem is it could be as simple as adjusting the the main jet needles and synchronizing the carbs and richening up the idle air screw a bit.
Remember that all general service basics should be checked before adjusting carbs. Valve clearence, spark plugs, air filter, cam chain tension, etc. should all be checked/ adjusted/ serviced/ replaced before adjusting a carb.

Dec 29, 2009 | 1994 Suzuki RF 900 R

4 Answers

Bogs down & spits back through carb.


Sounds like you may need a valve job. Have you been keeping the valve clearances adjusted? It's important to do that on a four-stroke engine. Check your compression to find out if the valves are ok.

Sep 19, 2009 | Polaris ATV

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