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51Back to top Go down   Spark Plugs - Page 2 Empty Re: Spark Plugs on Tue Jun 09, 2015 11:18 am

Holister


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If you go to realoem.com and enter the last 7 digits of you vin# you'll be able to search parts for your model.
Resistor plugs XR5DC are specified
NKG also specify resistor plugs DR7EA
Looks like you were right but if you want to keep the resistor HT leads you have, just use non-resistor plugs like D7EA



Last edited by Kaptain Holister on Tue Jun 09, 2015 9:47 pm; edited 1 time in total

    

52Back to top Go down   Spark Plugs - Page 2 Empty Re: Spark Plugs on Tue Jun 09, 2015 4:17 pm

Inge K.

Inge K.
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@mr grumpy wrote: It is possible I suppose that the leads are not the originals, which may have been replaced with the earlier 8v type.

The 8V and 16V have different coils, with different primary resistance and
the connectors is different both on LT and HT side....so the HT leads can't be mixed.

Both 8V and 16V HT leads have the same resistance, in addition the 16V have
resistor spark plugs...due to the lower primary resistance in the coils.


__________________________________________________
Inge K.
K100RS -86. (first owner), K1100LTSE -94.
    

53Back to top Go down   Spark Plugs - Page 2 Empty Re: Spark Plugs on Tue Jun 09, 2015 8:30 pm

RicK G

RicK G
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The non resistive leads probably wont fit the coils correctly. The 16v also has different coils which are not interchangeable with the 8v ignition system.
The 8v coils have a spade terminal and the 16v coils a 2 pin plug moulded into the coil. The 16v coil also has very different HT terminals to the 8v. I would say that they were designed so that swapping bits around was not easy.
The 16v coil has a much lower primary resistance than the 8v and ignition damage could occur if the incorrect coils are used.


__________________________________________________
"Man sacrifices his health in order to make money.
Then he sacrifices money to recuperate his health.
And then he is so anxious about the future that he does not enjoy the present; the result being that he does not live in the present or the future; he lives as if he is never going to die, and then dies having never really lived."   Dalai Lama


Bikes 1993 K1100 LT, 1998 K1100 LT, 1993 K75 RT, 1996 K75RT, 1986 K75 GS, 1979 Z1300 Kawasaki X 2 for now
    

54Back to top Go down   Spark Plugs - Page 2 Empty Re: Spark Plugs on Tue Jun 09, 2015 10:03 pm

Holister

Holister
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My mistake. I thought the leads/SPs were swapable. I didn't realise there was such a difference in the way the coils are designed. Is there a reason for this?


__________________________________________________

1989 K100RT     VIN No.  0097367 (naked)  
1996 K1100RS   VIN No.  0451808
  Spark Plugs - Page 2 Austra12    Fuel:  95 Octane
Engine Oil: Nulon Full Synthetic 15W50
Gear Box Oil:  Nulon Synthetic 75W90
    

55Back to top Go down   Spark Plugs - Page 2 Empty Re: Spark Plugs on Tue Jun 09, 2015 10:24 pm

RicK G

RicK G
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Is there a reason for this?
AFAIK it is just so they cant be mixed easily. If you look down inside the coil towers you can see a short projection that clips into or onto the lead end.
If you mix them up the mismatch in impedance can cause power reflections into the coil and ignition transistors and this causes heat build ups then "Fizz bang no work".


__________________________________________________
"Man sacrifices his health in order to make money.
Then he sacrifices money to recuperate his health.
And then he is so anxious about the future that he does not enjoy the present; the result being that he does not live in the present or the future; he lives as if he is never going to die, and then dies having never really lived."   Dalai Lama


Bikes 1993 K1100 LT, 1998 K1100 LT, 1993 K75 RT, 1996 K75RT, 1986 K75 GS, 1979 Z1300 Kawasaki X 2 for now
    

56Back to top Go down   Spark Plugs - Page 2 Empty Re: Spark Plugs on Wed Jun 10, 2015 3:31 am

mr grumpy

mr grumpy
Silver member
Silver member
So what would be the likely effect, positive or negative, of using the non-resistive plugs in the 16v engine?


__________________________________________________
K100RS 16v
    

57Back to top Go down   Spark Plugs - Page 2 Empty Re: Spark Plugs on Wed Jun 10, 2015 4:20 am

RicK G

RicK G
VIP
VIP
Negative, any mismatch of components in any electrical system is not good but in this case it could be fatal to the ICU and at the very least the spark produced will be far less than optimal.


__________________________________________________
"Man sacrifices his health in order to make money.
Then he sacrifices money to recuperate his health.
And then he is so anxious about the future that he does not enjoy the present; the result being that he does not live in the present or the future; he lives as if he is never going to die, and then dies having never really lived."   Dalai Lama


Bikes 1993 K1100 LT, 1998 K1100 LT, 1993 K75 RT, 1996 K75RT, 1986 K75 GS, 1979 Z1300 Kawasaki X 2 for now
    

58Back to top Go down   Spark Plugs - Page 2 Empty Re: Spark Plugs on Wed Jun 10, 2015 5:08 am

mr grumpy

mr grumpy
Silver member
Silver member
Thank you for clarifying that, Rick, I shall get the DR7EAs.


__________________________________________________
K100RS 16v
    

59Back to top Go down   Spark Plugs - Page 2 Empty Re: Spark Plugs on Wed Jun 10, 2015 6:10 pm

Inge K.

Inge K.
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@RicK G wrote:The non resistive leads probably wont fit the coils correctly.

When you say non resistive leads, you mean aftermarket leads I would presume?


__________________________________________________
Inge K.
K100RS -86. (first owner), K1100LTSE -94.
    

60Back to top Go down   Spark Plugs - Page 2 Empty Re: Spark Plugs on Wed Jun 10, 2015 8:34 pm

RicK G

RicK G
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@Inge K. wrote:
@RicK G wrote:The non resistive leads probably wont fit the coils correctly.

When you say non resistive leads, you mean aftermarket leads I would presume?
The leads that are designed to be used with the non resistive plugs and coils of the 8v system. I think my brain was in front of my typing for a change Laughing  Mind I am a slow typist.


__________________________________________________
"Man sacrifices his health in order to make money.
Then he sacrifices money to recuperate his health.
And then he is so anxious about the future that he does not enjoy the present; the result being that he does not live in the present or the future; he lives as if he is never going to die, and then dies having never really lived."   Dalai Lama


Bikes 1993 K1100 LT, 1998 K1100 LT, 1993 K75 RT, 1996 K75RT, 1986 K75 GS, 1979 Z1300 Kawasaki X 2 for now
    

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