Question about 1998 Suzuki RF 400 R

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No spark on 1 2 3and 4 sillinder coils test ok RF 400 R year 96

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Test for battery voltage at the coils on the orange/white wire. Also check for battery voltage at the CDI module on the orange/white wire. If voltage is present the most common failure is the signal generator (aka pulser coil)

Posted on Jan 18, 2013

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Posted on Jan 02, 2017

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SOURCE: I have a GSXR 400 1985, been stood for a couple of

I would check that the TCI is working by plugging it into another bike GSF 400 bandit is the same unit I believe. If it is damaged you can get a replacement from a firm called ignitech and the upside is the new TCI is not restricted by the *** gear monitoring switch that limits top gear performance.

Posted on Mar 08, 2010

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2003 klx 400r no spark


Hi, Dirty 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 CDI box.
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, pick up coil, trigger coil or CDI box testing needs to be checked with an ohmmeter at 70 degrees Fahrenheit
7. Faulty safety switches clutch, kickstand, neutral, off/on etc.
8. Faulty ignition switch.
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.
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1 Answer

Suzuki rf400 getting no power to the spark plugs reading here if jump start can damage ignition box or burn out the armature but what armature guidelines please


Hi, Emma never jump start from a running car battery if you have a CKP sensor it needs compression to send the correct signal to the ICM/ECM, make sure both spark plugs are in heads and use a grounded third plug to check for spark or hold spark plug cable close to spark plug in the head. If still not getting spark 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, please visit the websites below. Good luck and have a nice day.
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1 Answer

What would cause my number two coil to burn out on my RF 400


crimped plug wire or improper spark plugs installed , I don't recommend running resistor plugs on these

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1 Answer

I have 95 96 suzuki rf 600 when try starting it it backfires checked cam tis lined up ok plugs sparking ok still backfire why


Do you have normal compression in all cylinders ? An exhaust valve could be burned or sticking open.

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1 Answer

Very weak spark xs400


Hi, Anonymous 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 CDI box.
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, pick up coil, trigger coil or CDI box testing needs to be checked with an ohmmeter at 70 degrees Fahrenheit
7. Faulty safety switches clutch, kickstand, neutral, off/on etc.
8. Faulty ignition switch.
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.
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2001 Yamaha SR 400 no spark


Hi, Pedazaretore and the usual suspects are:
1. Fouled spark plugs.
2. Discharged battery, needs to be 12.5 volts or more and be able to pass a proper "LOAD" test, your battery may show 12.5 volts or more but has little or zero amps causing the battery to be faulty and must be replaced, AGM batteries fail in this category 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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1 Answer

My lawn tractor won't start no spark an I have aready replaced the electrical control circuit board. It is a LX277 lawn tractor year 2000 I think. After I replaced the circuit board It still did't start I...


May be the coil is bad. have you checked the spark plug? If there is gas and spark then it will have to start.check the circuit breaker points. is there current in the cb points?

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