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Approx how many volts will a CDI system send to the ignition coil on a Yamaha generator. Also, what should resistance on primary side of coil be?

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If you plan to purchase diesel generator set in future, please visit

Posted on Apr 11, 2020


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hosea malika

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SOURCE: ignition coil for 1993 civic

best way to test is connect to car and see if it gives spark with engine turning, because it gets ground pulse from the distributer,if pulse id not coming to ignition coil, then you need to change distributor.

Posted on Aug 18, 2008



  • 15 Answers

SOURCE: 85 yamaha virago xv1000 are the coils & cdi igntor box interchang


Posted on Jun 22, 2009


shameer ahamed

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SOURCE: i have yamaha gladiator. it's ignition system is

This is because of the malfunction of the alternator or the rectifier section. You check the same to terminate such a issue.

Posted on Jul 22, 2009


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SOURCE: my 2004 ttr 225 yamaha

it has to be 12v. the bike runs on a 12v system. before u check the cdi. check the plug. and the gaping. i had the same problem but it was the pulse coil. the ttr 225 is more of a beginer bike it comes from the factory very lean. so it might not be that you have a low spark because they are not ment to be fast they just have a low spark from the factory. check your carb and the jets. that might just be your problem. let me know how it works out.

Posted on Jan 04, 2011


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SOURCE: poor spark,what should the ohms reading be for the


Posted on Jan 10, 2011

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Tem my briggs portable generator has no spark it appears ignition coil has failed. Items checked. disconnected kill wire to coil, disconnected oil sensor wire no spark this will be the 2nd coil

Test the coil electrically
A digital multimeter is required for testing the resistance levels of the ignition coil. The terminals of the coil are going to be marked "negative" and "positive," and these are the two points where the resistance of primary winding can be measured. Step 1: Prepare the multimeter
To check a 12 volt coil, set the multimeter to at least a 200 Ohms setting. Attach both leads of the meter to the coil-terminals with black to the negative terminal and red to the positive one.
Step 2: Test the resistance
The normal, acceptable range for a standard 12-volt car is 1.5 to 1.7 Ohms. See if the reading is within this range.
Step 3: Test the secondary coil resistance
Set the meter to 20K Ohm setting, and attach the leads to the ignition coil's center terminal. The reading for secondary-coil resistance should be 11, because if it is lower

Oct 26, 2016 | Briggs Electrical Supplies

1 Answer

Why is my 97 Honda 4 wheeler not getting fire

There are three items that are connected together needed to create spark on your 1997 Honda 4-wheeler, regardless of which model it is.
Before we go through a checklist of these three important parts, look for a black wire with a white stripe that runs to the ignition switch and kill button from the CDI box. Disconnect this wire before it gets to the ignition switch and kill button, then check for spark. The most likely cause is a broken kill switch on the handlebar, or shorted ignition switch. Such a condition grounds this wire and kills the spark.
If this test did not restore the spark, continue reading...
Here is what is required to create a spark.

First, the alternator has one coil which generates a high voltage--about 125 Volts AC for the CDI ignitor box.

Second, there is a pulse voltage generated once every revolution of the engine that goes to the CDI box. This pulse causes the CDI to dump its stored energy from the 125 volt line into the primary of the ignition coil.

Third, If the two connections of the wire that runs from the CDI to the Coil are BOTH SHINY clean, the ignition coil will generate a spark.

If any one of these 3 don't happen, the spark will go away. Of these three, item 3 -- one or two tarnished and/or dirty connectors -- is the most likely cause. Just an added resistance of 0.3 Ohms or more in the CDI to Coil connections will cause the ignition to fail. No other wires have to be this clean.

Sep 26, 2014 | Motorcycles

1 Answer

I have a 92 Yamaha jog. My first problem was bad fuel **** and no air filter. I replaced both and had spark but ignition was stolen so I crossed the brown and red wire and kick started it it ran around the...

possible ignition coil or control box burned out? In general with an electric start engine, cranking load drops the available voltage to 10 volts or less so the ignition coil primary winding is wound to operate on 9 volts. So while cranking, the coil is fed battery available voltage. when the start button or ignition switch is returned to the run position, the coil is fed through a ballast resister that drops battery voltage, around 12 to 14 volts to 9 volts. if the ballast resister is bypassed and full battery voltage is fed to the coil, it will overheat and burn out.Check the primary coil resistance, it should have a low resistance or continuity. If burned out, it will have no continuity or a very high-to-infinity resistance.

Jul 30, 2017 | Motorcycles

1 Answer

Symptoms of bad cdi igniter 1985 yamaha xj700 maxim

Hey Roland,
I have the same problem. How did you fix this problem? Was it the Ignitor or the Rectifier? Please let me know. Thanks.

Aug 02, 2012 | Yamaha Motorcycles

1 Answer

2003 Yamaha PW 80 no spark

Hi, Dave_voss 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.
PW80 Yamaha no spark
PW80 no start
YAMAHA PW80 Owner Service Manual
OEM parts for Yamaha
Yamaha PW80 Owner Manual

Btw, I’m available to help over the phone in case u need at

Jun 15, 2011 | 2004 Yamaha PW 80

1 Answer

Only getting fire out of one coil

okay...these are general to Yamaha igniter systems...
so bike is in neutral...shows neutral, kill switch on...
Test each plug cap with a new spark plug...if one or more getting no spark....
Unhook the pickup coil harness and test the resistance (the P U coils located in left front crankcase cover with stator. If resistance tests out fine, ensure the connector is clean and connect.
Now test that both ignition coil packs primary and secondary resistances are within spec.
Verify the ignition coil packs are getting battery voltage to the primary terminal (often a red/white wire).
Ensure the igniter (the ignition black box) also called TCI is getting battery voltage on its supply.
Ensure all connectors clean to TCI.
The only other issue may be the interlocks are trying to shut down ignition....typically a black/white wire from the igniter goes to sidestand relay, tip over switch....both shut down ignition by grounding the control side of the TCI...could be they are partially grounding allowing minimal ignition..

Apr 02, 2011 | Yamaha YX 600 Radian Motorcycles

1 Answer

How to test honda XLR 200 cdi?

Check your generator coils with a multimeter for continuity. Check primary and secondary ignition coils for proper resistance. If these are correct, and you have no spark, check ground leads and coil contact surface for rust. If all that is correct then you have a CDI issue. What exactly is the problem, and what have you tried so far?

Nov 28, 2010 | Honda XR 200 Motorcycles

1 Answer

No spark on spark plug how to check ignator coil and pulse generator

To check the ignition coil, unplug the wires going to it and check the resistance with an ohm meter. There are two parts of it to check, the primary and secondary circuits. The primary circuit is the low voltage side where the black and green wires from the harness attach. The resistance through this part of the coil should be between 0.16 and 0.19 ohms. Check the secondary side by measuring the resistance between the spark plug lead and the primary side where the green wire was attached. The resistance there should be between 3.69 and 4.51 ohms.
The resistance through the pulse generator, as measured between the two wires that come from it, should be between 468 and 572 ohms.
Generally, the various components of the ignition system are very trouble free. If you're not getting spark to the spark plug, be sure to check all of the bike's wire harness and connectors for corrosion, melted connectors, broken wires, etc.

Nov 22, 2009 | 2003 Honda XR 650 L

1 Answer

Gsxr 750 no spark how do i test cdi

I've this data from my 1986 engine!

Under the left hand side cover there are 2 2-wire connections. One with a green and a black wire, one with a blue and a yellow wire.
Use an ohmmeter at R x 100 between both wires of a connector to check the pick-up coils: resistance must be between 130 and 180 Ohms.

The values of the ignition coil resistances are:
primary coil : 3-5ohms ( set ohmmeter at R x 1 )
Secundary coil : 25.000 - 45.000 ohms ( set ohmmeter at R x 1.000 )
For a correct measurement ALL leads must be disconnected ( also the spark plug leads )

The CDI cannot be tested with a simple measurement. Suzuki dealers have a special tool to test CDI boxes.
But checking the pick-up coils and ignition coils good will indicate an defective CDI.

The wires on the CDI:
Blue: PU coil 1 ( cyl 1-4 )
Yellow: PU coil 1
Green: PU coil 2 ( cyl 2-3 )
Blue : PU coil 2
Orange/white : +12v ign coil 1-4
White : switched coil negative side ign coil 1-4
Orange/white : +12v ign coil 2-3
Blue/yellow: switched coil negative side ign coil 1-4 ( and signal to tachometer )
Blue/white : ground

Thus, you must have +12V on both Orange/white leads.

Mar 15, 2009 | 1992 Suzuki GSX-R 750 WN

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