Coil Test Question: are they different Primary vs secondary winding? (Information Provided)

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trony
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Coil Test Question: are they different Primary vs secondary winding? (Information Provided)

Post by trony » Mon Oct 11, 2021 3:27 pm

im getting 4.2 on primarys but secondarys says 12.5 on one and 13.4 or around there on other one? some article for some super accel coil or something the guy took original readings and they are diffetent and acts like one coil is for one cylinder only? he says cylinder 1 is 12.32 and other is 13. and then other stuff says you could change them or acts like the secondarys are same?
main question is which one is cylinder 1 the front one?
im guessing there good from accel article here? or should i have matching ohms on these?

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ViragoJoe
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Re: Coil Test Question: are they different Primary vs secondary winding?

Post by ViragoJoe » Tue Oct 19, 2021 8:55 am

trony wrote:
Mon Oct 11, 2021 3:27 pm
im getting 4.2 on primarys but secondarys says 12.5 on one and 13.4 or around there on other one?

some article for some super accel coil or something the guy took original readings and they are diffetent and acts like one coil is for one cylinder only? he says cylinder 1 is 12.32 and other is 13. and then other stuff says you could change them or acts like the secondarys are same?

main question is which one is cylinder 1 the front one?

im guessing there good from accel article here? or should i have matching ohms on these?

trony,

Yup, they are different. Even though they are housed in the same unit.
im getting 4.2 on primary's but secondary's says 12.5 on one and 13.4 or around there on the other one?

main question is which one is cylinder 1 the front one?
I've striken out the extraneous part of your question for you don't have an Accel Super Coil on your bike. If you had one installed you would know the reason you placed it there. Be concerned on what is on your bike at the moment. Which are the Virago Standard Coils for you took readings on them (to begin your question) and not on an Accel Super Coil.

I also edited the subject title to clarify what you were wanting to know.

Suggestion: Keep it simple and stay with what you know and are working on (Standard Virago TCI Coils), not on hypothetical(s) [Accel Super Coils]. It just confuses all who are trying to help and assist you. Reason you haven't gotten responses for over a week. Most did not know what you were asking.

Do some research on how a coil works and you will understand the differences between primary vs secondary windings.
And the magic that happens when you interrupt the power on the primary winding and the affect it has on the secondary winding known as an "induction" or "Kettering" ignition system.

Long story made Short:
As long as the ohm values for primary and secondary windings are within what your repair manual says, you are golden and your coils can be considered good! Then it really doesn't matter how they work.

But, here's the Cliff Notes Version:

Primary winding only has 200 to 300 windings of heavier gage wire, reason for lower ohm reading of 4.2 ohms.

Secondary winding has several thousand windings of thinner gaged wire, reason for the higher ohm readings of 12.5 and 13.4. More wire more resistance in Ohms. If these two values are within what your repair manual says, consider them good!

Now, if the primary and secondary reading do not comply with your repair manual. Replace the coils.
main question: which one is cylinder 1 the front one?
NO, it is the Rear Cylinder that is #1. The Front Cylinder is #2.
Or are you asking which coil goes to Cylinder #1? See the confusion? It is how you formulated the question.
You've gone from Coils to Cylinders in one breath.

Your repair manual is the most important tool in your tool box. Peruse it from time to time. Most answers to questions are in it.

3 things you left out:
Year of bike? From model year to model year Yamaha made improvements.
Model of bike we are discussing? XV????.
Location on the planet: Update your profile
State and country.
Province and country.
Different locations have different requirements. Wiring and emissions are two. There's more.
ViragoJoe 🇺🇸
1996 XV1100SH Virago Special
"Never ride faster than your Guardian Angel can fly!!"
;)


NOTE TO ALL:
:arrow: Please edit your profile to include your location & Bike Information.
It will aid us in assisting you!

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