Question about 2008 Suzuki GSX-R 600

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2008 Suzuki GSX-R 600 surging

Throttle cuts out at any speed when holding the throttle at a constant speed. When traveling at a steady speed the engine will act like it's not getting fuel and the RPM's will drop. This only lasts for a few seconds then it catches and speeds back up very rapidly, like a jerking back up to speed. I'll cruise at 60 then the bike will slow to 54 or so then **** back up to 60. All while holding the throttle in one position. Any ideas on what I need to check first and how to fix the problem?

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  • Suzuki Master
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Hi, Blakie20 and the usual suspects are:
1. Extremely lean fuel mixture.
2. Dirt, rust, water, or ethanol sludge in the fuel system.
3. Sticky throttle cables.
4. Multiple carburetors not in synchronization.
5. TPS sensor out of adjustment or faulty.
6. Wrong spark plugs for the type of service.
7. Throttle bodies not in synchronization (FI)
8. Faulty O2 sensor.
9. Clogged, stuck, or faulty IAC valve.
10. Aftermarket components not compatible with ECM.
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.gixxer.com/forums/137-08-10-gsx-r600-750/197953-help-2008-gsxr600-surging-@-steady-speed.html
Surging at constant throttle
Suzuki GSX R600 Manual
OEM parts for Suzuki
Suzuki GSX R600 2003 Owner Manual

Posted on May 29, 2017

6 Suggested Answers

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Posted on Jan 02, 2017

  • 375 Answers

SOURCE: I need tuning specs for my 1982 suzuki gs 750.

You need to fix the fueling first - without fuel it won't run!
Your other problem sounds like an air leak - either the manifold or the carb. Check by spraying WD-40 or CRC at the manifold and carb join while the bike is running - if the revs change (either up or down) you have a leak.

Posted on Jun 29, 2009

ollie reece
  • 1167 Answers

SOURCE: RM85 w/ 105 kit bogs down with rapid throttle onset rate

hi buddy set the needle clip to its normal condition and also on the carb is the mixture screw you need to turn this all the way in and out 1 turns and try this you will always get a bog if you rev fully too quick i had this problem with my kx85 and it was just this hope this helped mate i will send the pic in a mo

Posted on Sep 17, 2009

Testimonial: "Appreciate the help. I've been all over w/ the air mixture screw. Still smokey and bogging down."

  • 1 Answer

SOURCE: 83 suziki GS450 idle issues

the problem with the rubber was close but on the gs450 there is a metal insert that even if the rubber was rotted away the metal seals aginst the head so it cant leak. the problem is on the gs 450 suzuki used a cheap throttle cable that kinks behind the gas tank and kinks at the bend to the crabs under the set and the throttle system is a pull only not a dual cable pull push to always close the throttle. if you start the bike a wiggle the bend in the cable that comes out from the twist grip you will see it changes the idle. with either your finger or a screw driver and push the plate down on the carbs that the cable connects too. if the idle drops this conforms your problem. order a new cable from dennis kirk they have the revised one that has metal adjustment screw and metal clip in. better jacket casing as well.

Posted on Sep 29, 2009

Benimur
  • 6966 Answers

SOURCE: 98 suzuki gsxr 600 bog

Hi and welcome to FixYa,

Initially, check color of sparkplug tips to determine if lean or rich air/fuel mix. Offhand I am inclined to think lean (light brown to almost whitish)l if yes then possibly:

  • an air leak on the rubber coupling from the air cleaner enclosure/box;
  • the needles may have to be raised a bit by inserting thin small washers.

Postback results of above checks.

Good luck and thank you for asking FixYa.

Posted on Oct 13, 2009

Benimur
  • 6966 Answers

SOURCE: My Suzuki Savage 650 backfires when I cut the

Hi and welcome to FixYa,

Sounds like a very lean mix; confirm by checking the sparkplug tips. If the burn is very light brown to almost whitish, then it would be lean - too much air, too little fuel. Check for an air leak in the air filter box/enclosure. This would also happen if the air filter has been replaced with an aftermarket free breather (like K & Ns) or the exhaust has been replaced and no jettings done.

Postback results of initial checks.

Good luck and thank you for asking FixYa.

Posted on Nov 04, 2009

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I have a 2001 Suzuki GSX600f Katana that's having a problem when the throttle is applied, it seems to climb slowly and come down slowly. I know one carb has a vacuum leak is that the source of the problem?


Hi, Riley "ABSOLUTELY" and the usual suspects are:
1. Extremely lean fuel mixture.
2. Dirt, rust, water, or ethanol sludge in the fuel system.
3. Sticky throttle cables.
4. Multiple carburetors not in synchronization.
5. TPS sensor out of adjustment or faulty.
6. Wrong spark plugs for the type of service.
7. Throttle bodies not in synchronization (FI)
8. Faulty O2 sensor.
9. Clogged, stuck, or faulty IAC valve.
10. Aftermarket components not compatible with ECM.
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://tinymicros.com/mediawiki/images/e/e3/Suzuki_GSX600F_Service_Manual.pdf
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I have a 2008 GSX-R that bogs down when you throttle into it. I've changed the plugs, bypassed the kickstand sensor, cleaned the fuel filter and also adjusted the throttle position sensor


Hi, Brooks and the usual suspects are:
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Hi, Anonymous and the usual suspects are:
1. Extremely lean fuel mixture.
2. Dirt, rust, water, or ethanol sludge in the fuel system.
3. Sticky throttle cables.
4. Multiple carburetors not in synchronization.
5. TPS sensor out of adjustment or faulty.
6. Wrong spark plugs for the type of service.
7. Throttle bodies not in synchronization (FI)
8. Faulty O2 sensor.
9. Clogged, stuck, or faulty IAC valve.
10. Aftermarket components not compatible with ECM.
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.
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2008 gsxr 600 is very slow to come back to idle and sometimes wont come back at all.


Hi
This sounds like a sticking throttle cable, you need to disconnect the cable and run some lube down it or replace the cable.

Phil

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My 51 plate gsxr 600 will nov rev over 9000 rpm


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Feb 07, 2010 | 2008 Suzuki GSX-R 600

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2002 gsxr 600 cuts out full throttle


if this bike is carbureted i would say your main jets are plugged.

Jun 30, 2009 | 2002 Suzuki GSX-R 600 M

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Surging


i think your issue is while at a steady cruising speed one of the carbs is not allowing steady fuel flow. so when you nail it, you cant hear or feel it. or maybe you can just a bit right when you hit it. one thing you can do short of taking the carbs off and cleaning them is, take the air filter apart and start the bike rev it up high and with a large clean rag shove it into the back of carbs and cut off ALL AIR FLOW.. at the same time, twist throttle wide open. doing this will flood out and kill the engine. but at the same time, it will sometimes clean any debris or grime out of the jets. try it a couple times.. hope this helps.

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