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Rp.wh

Kohler 12 spark plug help

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Rp.wh

At fleet wondering what the correct spark plug would be for a kohler 12hp

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Achto
45 minutes ago, Rp.wh said:

At fleet wondering what the correct spark plug would be for a kohler 12hp

Champion number is RH10

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Jerry77

Autolite 216 is the same as the champion rh10.....just depends on your preference..:twocents-02cents:

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Rp.wh

Thank you for your help worked awesome! Does anyone know what size battery goes it that raider 12?

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Achto
11 hours ago, Rp.wh said:

Does anyone know what size battery goes it that raider 12?

When I redid my 1076, I measured the battery box and got a battery that fit that size.

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Rp.wh

That was my next option , :text-thankyoublue:

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Wheel-N-It
On 10/22/2016 at 8:37 PM, achto said:

Champion number is RH10

Question. Would a regular H10 be better for this application (no resistor)?

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Achto
10 hours ago, Wheel-N-It said:

Question. Would a regular H10 be better for this application (no resistor)?

Kohler book calls for a RH10 but a H10 would work just as well. The H10 might cause a little interference if your trying to listen to a radio station while your using your tractor. :music-listen:

Edited by achto
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JC 1965

:text-yeahthat:    :thumbs2:

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Wheel-N-It
13 hours ago, achto said:

Kohler book calls for a RH10 but a H10 would work just as well. The H10 might cause a little interference if your trying to listen to a radio station while your using your tractor. :music-listen:

Reason for asking is I'm curious if the non resistor plug would give a tad more spark with these older ignition systems? Does anyone know about this?

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Achto

I am not positive, but I believe that the resistor is to suppress electrical interference only. I don't think that it affects the intensity of the spark.

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Wheel-N-It
18 minutes ago, achto said:

I am not positive, but I believe that the resistor is to suppress electrical interference only. I don't think that it affects the intensity of the spark.

I'm going to have to do a little research on this.

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Don1977

According to Brian Millers site the non resistor will give a hotter spark. It takes less voltage to fire a nonresister. Also indexing the plug toward the intake valve will also give a more complete burn.

I have a Autolite 4316 in my 312.

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pfrederi

I run non resistor plugs as they have proven to work better in my old farm tractors with mags or 6 volt battery ignitions.  Also use solid copper core plug wires to make for better spark.  If it interferes with some electronic device of some yuppie driving by in his BMW  then its too bad.......

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Wheel-N-It
21 hours ago, Don1977 said:

According to Brian Millers site the non resistor will give a hotter spark. It takes less voltage to fire a nonresister. Also indexing the plug toward the intake valve will also give a more complete burn.

I have a Autolite 4316 in my 312.

Don, I knew you would have some good information for us:greetings-clappingyellow:

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Achto

:text-yeahthat: Thanks for the learnin'!

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953 nut
22 hours ago, pfrederi said:

use solid copper core plug wires

Good point, getting harder to find these days, but well worth it. I picked up a role of the copper plug wire at a Hit & Miss gathering a couple of years ago.

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Wheel-N-It
29 minutes ago, 953 nut said:

Good point, getting harder to find these days, but well worth it. I picked up a role of the copper plug wire at a Hit & Miss gathering a couple of years ago.

Thank you for posting this Mr Schmidt. I'm putting this on my shopping list.

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tunahead72
On 10/27/2016 at 10:43 PM, Don1977 said:

... Also indexing the plug toward the intake valve will also give a more complete burn ...

 

Hey Don, I'm not sure what you mean by this, can you explain?

 

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rjg854

:text-yeahthat:

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Shynon

Indexing the spark plug will also help to increase power and torque. This is when the open gap faces the center of the piston. It helps in a more thorough combustion of the fuel so the engine will produce more power at high RPM. Indexing washers is used to index a spark plug. They're a copper washer of certain thicknesses that's placed on the threads of the plug. Indexing of the spark plug helps to increase the power on a high-performance engine that operates at high RPM. It doesn't help much on a stock engine or at low RPM. Taken from Brian Millers website

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squonk
On 10/28/2016 at 8:59 AM, pfrederi said:

I run non resistor plugs as they have proven to work better in my old farm tractors with mags or 6 volt battery ignitions.  Also use solid copper core plug wires to make for better spark.  If it interferes with some electronic device of some yuppie driving by in his BMW  then its too bad.......

I 'd be more  worried about setting off some girls taser device in her purse!  

 

You can buy  solid wire and all the fixings at Napa 

Edited by squonk
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Wheel-N-It
On 10/28/2016 at 8:59 AM, pfrederi said:
27 minutes ago, squonk said:

I 'd be more  worried about setting off some girls taser device in her purse!  

 

You can buy  solid wire and all the fixings at Napa 

Mike, do you buy that wire by the roll or by the foot? What's the cost?

 

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squonk

By the feets :)  Fairly cheep. :)You can get the plug and coil terminal ends, straight and 90 deg boots, even the special pliers for crimping the ends. Pliers are a tad pricey but I have them because I'm a tool hog! :lol:

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Wheel-N-It

Thnk you Mike. I did not know that :D

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