Question about 1991 Suzuki GSX 600 F (Katana)

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I have a 1991 Suzuki GSX600f (Katana), it has been stood for a while and will not start, it has a spark but very weak on all 4 plugs, I have changed the cdi unit but it is still the same, engine cranks as it should but not a cats chance of it even sounding as though it would start.....I am now in GSX wilderness.....any ideas?

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If the motorcycle has been dormant for a while the I would fully suspect the fuel system is clogged with sediment. Gas over a period of time even as little as three months under the right condition can produce this foul smelling gas ans basically shut the gas off from getting to the carbs or injectors or if yhou hav gas to the card then the jets are plugged.

No amount of trying it going to make it run and if it does start then it will not run properly.

Unfortunately the fix is to get the fuels system trained cleaned and serviced.

You are not alone with this problem

It can be worked around with what is called a fuel stabilizer added to the gas before long periods of storage.

So for the bad news

Posted on Mar 22, 2011

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Posted on Jan 02, 2017

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2002 GSX 600F katana no spark on 1&4, replaced coil and still, no spark, checked all connections where to go from there, help season is coming


Hi, Bill and the usual suspects are:
1. Fouled spark plugs.
2. Severely discharged or a damaged battery, should have 12.5 volts or better and be able to pass a load test if necessary.
3. 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.
4. Loose connection at ignition coil or plug between ignition sensor and module.
5. Spark plug cables in bad condition, shorting, leaking, spark plug cable connections loose check for spark leakage in the dark.
6. Faulty ignition coil or electronic control module.
7. Faulty CKP, CMP, or BAS sensor.
8. Faulty ignition switch.
9. Tilt sensor needs a reset.
10. Security alarm failing to disarm needs reset
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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Hi, Andrew for this scenario you will need your service/owners manual if you can't find the first and best tool you ever bought for your Suzuki, despair not, for a mere $0 you can download another one. For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
Suzuki GSX600F numbers
http://tinymicros.com/mediawiki/images/e/e3/Suzuki_GSX600F_Service_Manual.pdf
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What size is the rear sprocket (stock)and how many teeth? also the chain size? for a suzuki katana 1991 gsx600f


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Nov 26, 2013 | 1991 Suzuki GSX 600 F (Katana)

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1988 Suzuki GSX 600 F no spark


Hi, Thortonroof and the usual suspects are:
1. Fouled spark plugs.
2. 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.
3. 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.
4. Loose connection at ignition coil or plug between ignition sensor and module.
5. Spark plug cables in bad condition, shorting/leaking, spark plug cable connections loose check for spark leakage in the dark.
6. Faulty ignition coil or electronic control module.
7. Faulty CKP, CMP, or BAS sensor.
8. Faulty ignition switch.
9. Tilt sensor needs a reset.
10. Security alarm failing to disarm needs reset
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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How to diagnose no spark situation on motorcycle
Suzuki GSX600F Service Manual
OEM parts for Suzuki
Suzuki GSX 600F 2000 Owner Manual

May 24, 2017 | 1988 Suzuki GSX 600 F (Katana)

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Suzuki gsx600f 1991, has been stood for a few weeks, added fuel system cleaner to fuel, got it started but spluttering under drive but ok in neutral, also fuel gauge and indicators are inop, help!! also...


If you are in a location with high humidity there is a chance water built up inside the tank. Best solution would be to completely drain the tank and refill with new gas. Run position on the fuel tap is 6 o'clock.

Feb 28, 2011 | 2000 Suzuki GSX 600 F (Katana)

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Witch plugs go to witch wires on an 92 suzuki gsx600f


This should help out. Please rate my answer. Thanks!
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Jan 13, 2010 | 1991 Suzuki GSX 600 F (Katana)

1 Answer

I need to find a wiring diagram for the ignition.


http://rtcdesign.com/gsx600f_manual/GSX600F.pdf this is a shortcut to a free service manual download if you own a katana you should think about joining www.katriders.com it is very helpful there are a lot of knowledgeable people there and it costs nothing to join. hope this helps.

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1 Answer

1991 Suzuki GSX600F Katana


4 qts. of 10w/40, api classification sf,when you change engine oil w/ filter.

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