Question about 1999 Suzuki GSF 1200 Bandit S

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My 99 bandit 1200 dies at about 3500 rpm. it run great below that but when you twist the throttle it die at about 3500.

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Have someone follow you on another bike, and breathe deep.
If they complain that your exhaust is burning their eyes, you are running lean. If they complain that they smell unburnt gas, you are running rich. These engines are very picky about the correct air/fuel ratio. Mine did the same when I added an extra intake hole in the airbox without jetting it at the same time. It feels like it is running out of gas.

Posted on Mar 15, 2013

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Spark plugs

Posted on Apr 30, 2011

  • trx850 Jul 10, 2011

    Had a similar problem on my 2004 bandit 1200. Died at 3500-4000 with rich running and fuel smell. Turned out to be a blocked emulsion tubes in the carbs. getting them out is a bugger but worth it. I cleaned the emulsion tubes and all galleries and it all came good - had been left standing and the fuel gums up. I later put a factory pro jet kit and it is as smooth as all the wat to 220kmh (not game to go further). (also much better economy)

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1 Answer

2001 Suzuki GSF 1200 Bandit S quit running while riding


Hi, Des 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. Failed alternator/generator and or voltage regulator.
3. Loose or corroded battery terminals and or cables especially the "NEGATIVE" cable, look for loose, corroded, or broken connectors inside the cable harness at "BOTH" ends.
4. Failed main circuit breaker or ignition switch, check for loose connections and continuity.
5. Failed system and or ignition relay, check for continuity.
6. Failed ignition coil, stator, magneto, ignition/electronic module.
7. Failed CKP, CPS, CMP, MAP, TPS, or BAS sensor, corroded, loose or broken wire connector pins/sockets.
8. Throttle cables and or idle speed improperly adjusted hot idle speed should be 950 RPM to 1000 RPM.
9. Faulty neutral, side stand or clutch lever safety switch.
10. Faulty or corroded kill switch.
11. Accelerator pump damaged or not working.
12. Water or dirt in the fuel system, carburetor or filter.
13. Restricted, blocked or kinked fuel line.
14. Fuel tank empty.
15. The gas cap is not venting properly or fuel tank venting system blocked, loosen gas cap and go for a test ride.
16. A failed fuel pump, pressure regulator and or fuel injectors.
17. Vacuum line from intake manifold to petcock broken, cracked, or not attached, carburetor vent line plugged.
18. Needle and seat stuck closed in the float bowl.
19. Petcock clogged or damaged.
20. Lean angle switch is faulty or needs adjustment.
21. Catastrophic engine failure, perform a compression test.
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.
Suzuki bandit stalling few minutes after start merged bike shuts off while riding please help Suzuki GSX Motorcycle Forums...
Suzuki GSF1200S 2001 Service Manual
https://www.partsfish.com/page/oem-parts-for-suzuki
http://mybikemanuals.com/suzuki

Aug 28, 2018 | 2001 Suzuki GSF 1200 Bandit S

1 Answer

I have a 1998 Suzuki bandit 1200.I'm having problems with the clutch.I think. I noticed when I would accelerate the rpm would jump 4 -5000 before the bike would respond . I let off throttle to stop rpm...


make sure there is 3mm play on the clutch lever , select 5th gear while engine is running and press the rear brake to stop you moving away ! with a little revs try and set off , if clutch is worn it will slip and not stall the engine ! if this happens then replace the clutch plates !

Sep 24, 2013 | 1998 Suzuki GSF 1200 Bandit S

1 Answer

1989 ford bronco


Clean the throttle body. Check the throttle air bypass valve solenoid.
Have you tried checking applicable trouble codes, if there are any?

Feb 18, 2018 | 1989 Ford Bronco

1 Answer

1997 suzuki bandit 1200 starts fine, runs strong for a short time, then loses power and dies when hot


Hi Jonathan, for more information about your question please visit the website below. Good luck and have a nice day.
1997 Suzuki Motorcycle Service Repair Workshop Manuals

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

Nov 10, 2012 | 1997 Suzuki GSF 1200 Bandit S

2 Answers

2005 Suzuki 1200 S Bandit Dies after short run time!


seems like the carburetor jets need to be cleaned, also check and make sure everything is secure, maybe the battery is wiggling to much on a turn and arcs or even could be as simple as a fuel filter clog. something to do with leveling so I would say jets

May 07, 2012 | 2005 Suzuki GSF 1200 Bandit S

1 Answer

I have a 1991 ford explorer 4.0L Eddie Bauer edition. The idle revs to 2000 rpm's and then will drop to no less then 1200 rpm's. If I give it the gas it dies whether I'm in gear or not but when I...


There are several problems and they are all related. Check plugs if they a white with gray ash buildup. Gap .054

1. Fuel pressure regulator, if it is ruptured fuel will be vacuumed straight into the the intake causing idle surge also in causes temperature fluctuation and poor performance. It will also cause lean running condition.
2. The Mass Airflow Sensor also has a huge impact on mixture, defective symptom was a knocking and clattering under load especially uphill. Cleaning will only give temporary fix.
3. Spark Plugs- Do not use Platinum plugs they run hotter than standard plugs!
4. Any intermittent starting problems are likely fuel pump related, when you turn the key in the ignition you should hear the pump running!!
5. Preventive maintenance is the key change your fuel filter at recommended intervals.

I have a 94 Explorer, it run very poorly after changing these items it runs great, restored power, idles great and great mileage again and finally no more temperature fluctuation.

Nov 05, 2010 | 1991 Ford Explorer

1 Answer

I own a 93 Suzuki Bandit 400 and I just changed the fluids and everything after it sitting for around a year. It started right up and was running great. During the test drive about 2 or 3 miles down the...


Carb would be the place to start assuming it was running fine before it was stored. Gas can "varnish" in carbs while in storage for long periods of time if a fuel stabilizer wasn't added before storing. Might try some fuel system cleaner before going to the trouble of removing the carb.

Sep 20, 2010 | 1993 Suzuki GSF 400 Bandit

1 Answer

05 Bandit 1200S idles low, run rough at low rpms,


Try buying new diaframs for your carbs, because of the diafram and piston operation, if the diafram becomes weak due to heat from your engine, and by the diafram not beeing rigid enough, it hesitates to lift the needle out of the jet causing the lack of fuel at low tack/rpm when throttling up or accelerating slowly.

Jun 11, 2010 | 1997 Suzuki GSF 1200 Bandit S

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