Question about 2000 Yamaha DT 125 R

2 Answers

What is the correct resistance for a stator on a 1977 yamaha dt 125

Stator wires broke off at the end and were re connected by soldering together but still no spark want to do continuity test but not sure of correct resistance

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  • Yamaha Master
  • 11,573 Answers

Glen, Check the attached links,
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."

YAMAHA MANUAL STORE
Motorcycle Owners Manuals MyBikeManuals com
Clymer Manuals Electrical Troubleshooting Video Motorcycle ATV Quad Wiring...
Steps to Take When Your Motorcycle Won Start Dennis Kirk Powersports Blog

Posted on Mar 14, 2016

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  • Level 3:

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    Top Expert:

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  • Yamaha Master
  • 43,120 Answers

Hi, Glenn sorry you can't find the first and best tool you ever bought for your Yamaha 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 visit the websites below. Good luck and have a nice day.
https://yamahaclub.com/forums/topic/36289-1978-dt-125-did-the-factory-wire-it-this-way
How To Test Stator coil
http://www.motogelnar.cz/manual/YAMAHA/DT125X_RE-05-Service_Manual.pdf
OEM parts for Yamaha
http://www.dt125.cz/download/Owners_Manual-DT125X_RE.pdf

Posted on Mar 14, 2016

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SOURCE: DT 125 X Backfiring??

This may not apply to your bike but a lot of the smaller engine 2strokes can still run but backfire if they have one broken reed valve.

Posted on Jan 17, 2009

tabbycat282
  • 56 Answers

SOURCE: yz125 no spark

G'day i am a . YZ 125 j ...lets see now! You could perform these tests yourself.Check your plug CAP,if in doubt replace it with a new one. Take the below ohm figures and see if they match up. Pulse coil: white/blue and white/red= 310 ohms. low speed coil: Green/white and Black/red= 900 ohms. high speed coil: Green/blue and black= 55 ohms. hope this has helped in some way to helping you solve your problem.If it has please leave feed back.Ride hard , see ya,Tabbycat

Posted on Jul 24, 2009

voodoomox
  • 1689 Answers

SOURCE: i have a 1999 yamaha dt 125 r and the light bulb

Hi fit butcher,

The assembly of DT's speedo are all the same after 1998 models. below is a picture of a 2002 DT125/175. the assembly is the same, only that yours does not have a tachometer, yet the placement of the assembly is the same.

d811dfc.jpg

and here is the manual for your unit,

hope this helps,

regards,

voodoo

Posted on Aug 09, 2009

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SOURCE: need wiring diagram for a yamaha dt 125 water

try here

http://sites.google.com/site/motorcyclemanualstore/

email as i did and i got what i wanted. site still under construction though

Posted on Aug 09, 2009

mxtras
  • 194 Answers

SOURCE: yamaha dt re 125 owners workshop manual

Try one of these:

http://www.yamaha-motor-europe.com/community/service/manuals.jsp

http://www.yamahaownershandbook.com.au/?r=0

Online and free.

Posted on Oct 14, 2009

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1 Answer

What is the correct resistance for a stator on a 2002 yamaha dt 125


Hi, Anonymous sorry you can't find the first and best tool you ever bought for your Yamaha 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 visit the websites below. Good luck and have a nice day.
ELECTRONIC IGNITION
How To Test Stator coil
http://www.motogelnar.cz/manual/YAMAHA/DT125X_RE-05-Service_Manual.pdf
OEM parts for Yamaha
http://www.dt125.cz/download/Owners_Manual-DT125X_RE.pdf

Jul 01, 2014 | 2000 Yamaha DT 125 R

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Stator wiring digram


Hi, Anonymous for more information about your question and valuable "FREE" downloads that you will need please visit the websites below. Good luck and have a nice day.
http://www.dirtntrial.com/tuning.htm
Yamaha DT 125 2003
http://www.dt125.cz/download/Owners_Manual-DT125X_RE.pdf
OEM parts for Yamaha
http://www.motogelnar.cz/manual/YAMAHA/DT125X_RE-05-Service_Manual.pdf

Feb 25, 2014 | Yamaha DT 125 R Motorcycles

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Cdi wiring diagram coils wire welcome stator


Hi, Anonymous sorry you can't find the first and best tool you ever bought for your Yamaha 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 visit the websites below. Good luck and have a nice day.
Yamaha DT 125 CDI Wiring and Circuit Diagram Circuit Wiring Diagrams
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http://www.motogelnar.cz/manual/YAMAHA/DT125X_RE-05-Service_Manual.pdf
OEM parts for Yamaha
http://www.dt125.cz/download/Owners_Manual-DT125X_RE.pdf

Sep 18, 2013 | 2002 Yamaha DT 125 R

1 Answer

Cdi wiring diagram coils stator


Hi, Anonymous sorry you can't find the first and best tool you ever bought for your Yamaha 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 visit the websites below. Good luck and have a nice day.
Yamaha DT125R Cdi wiring diagram coils stator Google Search
Wiring Diagram
http://www.motogelnar.cz/manual/YAMAHA/DT125X_RE-05-Service_Manual.pdf
OEM parts for Yamaha
http://www.dt125.cz/download/Owners_Manual-DT125X_RE.pdf

Aug 14, 2013 | 2002 Yamaha DT 125 R

1 Answer

2001 Yamaha DT 125 R not charging


Hi, Samellis before testing any electrical component in the Charging System it is "IMPERATIVE" that you have a fully charged battery of 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 type batteries fall into this scenario more so than lead acid batteries.
1. Battery Test:
The battery needs to be a fully charged and load tested to ensure proper readings, connections need to be clean and tight. If you are not working with a fully charged and functional battery, all other voltage tests will be incorrect. Standing battery Voltage should be 12.5-13.2 DCV.
2. Charging System Voltage Test:
Start motorcycle, measure DC volts across the battery terminals you should have a reading of approximately 13.2-15 DC Volts.
3. Connections and wires:
Inspect the regulator stator plug, and check the battery terminals for connection corrosion. If everything seems to be in order, move on to number 4 below to determine if there's a failed component.
4. Stator Checks/Rotor Check: Each of the following tests isolates the Stator & Rotor. If AC output and resistance test fail and stator test passes then the rotor is at fault (Pull Primary covers and inspect rotor for damage).
5. AC Output Check:
Unplug the regulator plug from the stator start motorcycle and change Voltmeter to AC volts. Probe both stator wires with your meter lead. The motorcycle should be putting out approximately 18-20 ACV per 1,000 rpm. Reading will vary depending on system, check service manual specification
Generic Specs:
22 amp system produces about 19-26 VAC per 1,000 rpm
32 amp system produces about 16-20 VAC per 1,000 rpm
45 amp system produces about 19-26 VAC per 1,000 rpm
Stator Resistance Check:
Switch your multimeter to Ohm x 1 scale. Probe each stator wires with meter leads and check resistance on the meter.
Resistance should be in the range of 0.1-0.5 Ohms. Reading will vary depending on the system, check the service manual for specifications.
Generic Specs:
22 amp system produces about 0.2 to 0.4 ohms
32 amp system produces about 0.1 to 0.2 ohms
45 amp system produces about 0.1 to 0.2 ohms
Stator ground Check:
Switch your multimeter to Ohm x 1 scale.
Probe each stator wire with your positive lead on the multimeter and the negative to ground.
There should be no continuity to ground on either wire.
If there is continuity your stator is shorted to ground and must be replaced.
5. Regulator Test:
Each of the following tests isolates the regulator only, so if any of these tests fail, the regulator is at fault.
Identifying Wires:
Battery Charge Lead- Wire going from regulator to battery positive.
AC output leads- Wires coming from the Stator to the regulator.
Ground- Wire from Regulator to ground or regulator may be grounded via the physical bolting to chassis.
Regulator Ground Test: Ensure the regulator body is grounded or grounding wire is fastened tightly to a good ground (you should verify this by checking continuity from regulator body to chassis ground).
Fwd/Reverse Bias Test/Diode Test:
This check is testing the Diode function to ensure it is regulating the AC current for the stator into DC Current.
Switch multimeter to Diode Scale.
Place your Multimeter positive lead on each AC output wire.
Place your multimeter negative lead on the battery Charge wire.
The meter should read voltage typically around .5 volts.
Next, switch your multimeter leads putting the negative lead on the AC output wires and the Positive lead on the Battery Charge Wire. The reading should be Infinite. With your meter on the same setting, place your multimeter positive lead on the regulator ground wire or to the regulator directly, and then place your meter negative lead on the AC output leads.
The meter should read voltage typically around .5 volts.
Next, switch your multimeter leads putting the negative lead on the regulator ground and the Positive lead on the AC output wires. The reading should be Infinite.
Note: Below is a table to show the readings:
Positive Lead Negative Lead Reading
AC output 1 Battery charge lead Voltage
AC output 2 Battery Charge Lead Voltage
Battery charge lead AC output 1 ?
Battery charge lead AC output 2 ?
Ground AC output 1 Voltage
Ground AC output 2 Voltage
AC output 1 Ground ?
AC output 2 Ground ?
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.
DT125R Lighting Charging
http://racetechelectric.com/files/pdf/rte_troubleshooting_flow_chart.pdf
Yamaha DT125RE 2005 Service Manual
OEM parts for Yamaha
YAMAHA DT125R Owner Manual

Jun 17, 2017 | 2001 Yamaha DT 125 R

2 Answers

Hi. no spark on my yamaha dt 125 lc ypvs from 87. New cdi box. but same problem


sounds like the stator coil in behind the flywheel there are some electric tests for the stator but not allways correct I would try a stator

Mar 21, 2011 | 2000 Yamaha DT 125 R

1 Answer

Do you have a 1977 yamaha wiring diagram


Hi, Jozech sorry you can't find the first and best tool you ever bought for your Yamaha 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 visit the websites below. Good luck and have a nice day.
http://www.classiccycles.org/media//DIR_1516204/DIR_1596304/ff5efe881a12044cffff92d6ffffe417.pdf
Yamaha DT125E DT175E Owners Manual
Yamaha Motorcycle Parts Spares From Europes Number 1 MSP Yamaha DT 125 1977
http://www.dirtntrial.com/tuning.htm

Nov 19, 2010 | Yamaha DT 125 R Motorcycles

1 Answer

I cant get a spark on my Yamaha dtr 125 i have changed the stator and ignition coil and cdi box. can any 1 help thanks craig


Hi, Cragath69 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.
Dt 125 no spark
How to fix No Spark Problem on Motorcycles and Dirt Bikes
http://www.motogelnar.cz/manual/YAMAHA/DT125X_RE-05-Service_Manual.pdf
Yamaha Motorcycle Parts Spares From Europes Number 1 MSP
http://www.dt125.cz/download/Owners_Manual-DT125X_RE.pdf

Nov 18, 2010 | 2004 Yamaha DT 125 R

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