Question about 2003 Suzuki RM 125

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No spark help plz

Was riding my 90 rm 125 long rid came to a stop and killed it and when i tryd to go it wounldnt start so i look at the plug and no spark chang it out ad still no spark

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Coil or cdi

Posted on Mar 08, 2010


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I've just rebuilt a 1997 rm 125. Burnt two tanks of gas bike ran great. On last ride I killed it and when I started it again a knock in the top end came from no where. Advise please

Hi, Ben I just loaned my brand new pair of listening ears to your local dealers chief technician so he could take your bike for a test ride and give you his professional opinion and estimate about your noise and repair cost. For more information about your issue, please visit the websites below. Good luck and have nice a day.

Nov 10, 2015 | GAS Motorcycles

1 Answer

I mowed three rows. Stopped the mower to move some branches and now it will not start.

check for spark at plug squirt some starting fluid in it see if will start make sure kill switch not engaged sounds like valve isnt seating do a compression test should be 90 to 125 lbs

Jul 12, 2014 | Garden

1 Answer

I think my top end of my rm125 is bad

Check the cylinder with a compression gauge

Mar 26, 2013 | Motorcycles

2 Answers

I have a suzuki RM125. I was riding and it just stalled out. Engine quit and would not start again. I changed the spark plug and cleaned the carb. Drained the gas and refilled. Checked the shutoff switch...

If your confident of a good spark, then your issue is fuel delivery. Try raising the slide needle by going down one notch on the needle. Jets and needle seats should be cleaned in a good quality carburettor cleaning solvent. Jets should be replaced if suspect. Check condition of reeds. Is the airbox and filter in good condition. Check for leaks around inlet manifold. Goodluck, cheers!

Nov 13, 2010 | 2003 Suzuki RM 125

1 Answer

No spark whatsoever

Hi, Ridefree Mr. Porrelli pretty much nailed it the only thing I can add is to check the specs on the stator for resistance otherwise the usual suspects are:
1. Fouled spark plugs.
2. Discharged battery, needs to be 12.5 volts or better and be able to pass a "LOAD" test, your battery may show 12.5 volts but has little or zero amps and must be replaced.
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 CDI 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.
1998 RM125 No spark today perfect yesterday
How to fix No Spark Problem on Motorcycles and Dirt Bikes
Suzuki RM125 Owner Service Manual
OEM parts for Suzuki

Mar 26, 2017 | 2003 Suzuki RM 125

1 Answer

O3 rm 125 has no spark

check simple things first like, spark plug,try a new one or the plug cap,a bad earth frame connection in relation to the ignition system,cdi unit earth,ecu frame earth etc, etc 1. check the kill switch. 2.check the resistances in the high tension coil. Primary around 0.6 ohm, secondary around 15~20k ohms. 3 . check the output source coil , black/red~ red/white it should carry about 20~ 28 ohms with an output of around 30 volts. 4. last but not least check the pulse coil. red~ green 85~ 115 0hms.Glad to help Red.

Nov 21, 2009 | 2003 Suzuki RM 125

1 Answer

1993 suzuki rm 125 has no spark?

best spark plug is iridium plug, takes the heat and lasts alot more rides. could be flooded, take plug out , stick finger over hole , kick start till it drys out. take match stick and clean inside of plug, should be good. otherwise probably a fuel problem.

Nov 07, 2009 | 2003 Suzuki RM 125

1 Answer

Ok so i changed the spark plug . i checked to see if it was the kill switch... but my bike is stilll not getting a spark ... what do i do?

Check the side stand kill switch, battery, wire connections, neutral switch and clutch switch if your bike has one. If still no spark have the dealer check the electronic ignition.

Jul 12, 2009 | 2003 Suzuki RM 125

1 Answer

No spark

check compression

Apr 13, 2009 | 2003 Suzuki RM 125

1 Answer

I have a suzuki 125 ts was riding it then stop for

is it getting fuel? try tipping a very small amount of fuel down rhe plug hole, replace the plug if it fires you have a carb problem.

Apr 11, 2009 | 2003 kawasaki KX 125

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