Question about 2005 Suzuki GSF 1200 Bandit S

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1200 bandit electrical fault

My 1200 bandit S (05) has developed a electrical fault when i turn the ignition key there is no power at all, then a short time later it will work fine for a while but it is not constant and the fault keeps returning, i have checked the fuses to the iginiton and starter motor also swapped the battery with a mates, can not find any loose connections can you help me please

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Dodgy ignition switch

Posted on May 12, 2009

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My bandit is not getting spark, all earths checked, ignition box, all possible switches checked, fuses also checked as well as electrics for headlights ect checked spark plugs are new, plug heads


Hi, Amber and the usual suspects are:
1. Fouled spark plugs.
2. Discharged battery, 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. Loose connection at ignition coil or plug between ignition sensor and module.
4. Spark plug cables in bad condition, shorting / leaking, spark plug cable connections loose.
5. Faulty ignition coil or ignition / electronic module
6. Failed CKP, CMP, or BAS sensor.
7. Faulty ignition switch.
8. Security alarm failing to disarm needs reset
For more information about your issue and valuable "FREE" downloads that you will need please visit the websites below. Good luck and have a nice day.
Suzuki 1200 gsf Bandit problem will not start
Bandit 1200 No Start
http://www.100-biker.com/forums/showthread.php?t=18315
http://www.crservice.dk/Suzuki_mc/GSF1200/GSF1200K6_S_01E.pdf

Mar 26, 2016 | Suzuki GSF 1200 Bandit N Motorcycles

1 Answer

No power when key is turned on gages do there thing when key is turned off if wiggle key in on position get lite for a sec


Hi Charles and the usual suspects are:
1. Ignition switch not in the "ON" position.
2. Engine run switch in the "OFF" position.
3. Discharged battery, loose, corroded or broken battery cables, especially the "NEGATIVE" cable at both ends (solenoid chatters).
4. Bank angle sensor tripped and ignition/light key switch not cycled to the "OFF" position and then back to the "ON" position.
5. Security alarm needs a reset.
6. Starter control circuit, relay, or solenoid faulty.
7. Electric starter shaft pinion gear is not engaging or over-running starter clutch slipping.
For more information about your issue, please visit the websites below. Good luck and have nice a day.
2002 Suzuki Motorcycle Service Repair Workshop Manuals

Oct 13, 2015 | Suzuki Motorcycles

1 Answer

Electrical. All lights off when key is on.


check inside the ignition switch is clean and makes contact in the on position etc ! may need a new one !

Apr 28, 2014 | 1998 Suzuki GSF 1200 Bandit S

1 Answer

My 98 1200 Bandit seem to have high current consumption. If I connect an ammeter inseries with the battery +ve lead and switch on ignition it reads 2.2 amps, this seems excessive. This is without the...


Bear in mind that even without the engine running there may be a number of things drawing power:

The ignition coil will be powered up
Does the bike also have permanent running lights on as soon as the ignition is engaged?
Your neutral light will be on (only .2 of an amp)
Does the bike have an electric fuel pump?

All these things may add up. You are only drawing about 25 watts, which is the power it takes to illuminate a brake light.

While I don't have data on the power consumption, it doesn't seem that excessive

Jul 20, 2011 | 2005 Suzuki GSF 1200 Bandit S

1 Answer

I have a gsf1200s suzuki bandit thtat as been stood for about five months, I have tried to start it up but the battery doesn't turn over the engine. There is a cicking noise under the seat. I put the...


It sounds like the battery is totaly discharged, using another form of electricity you could use some jumper leads connected to annothwr battery or power pack, if. The bike then turns over then the battery is at fault and should be replaced, WARNING DO NOT RUN THIS BIKE WITH A DISCHARGED BATTERY FOR A PROLONGED PERIOD OF TIME dammage may occure to elecrical parts

Apr 26, 2011 | 2001 Suzuki GSF 1200 Bandit S

1 Answer

Key snap in ignition barrel lock how to remove barrell and replace


it is probably cheaper to have a locksmith remove the broken key and cut you a new one

Oct 31, 2010 | 1997 Suzuki GSF 1200 Bandit S

1 Answer

My bike has some kind of electrical short. The lights, instruments, etc sometimes stay on after the key is turned off. I can crank the starter when this happens, but the ignition won't fire. I noticed...


The small black box is possibly a relay. It may be sticking on, if so it will need a new one. Tell the dealer the same story and it should be a quick fix

Aug 23, 2010 | 2005 Suzuki GSF 1200 Bandit S

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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