94 KE100 needs a fresh spark plug every start.

  • ckahleer
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Re: 94 KE100 needs a fresh spark plug every start.

23 Jul 2025 13:20
#915005
Drain the autolube dry and run it on  premix to see if the plug still fouls with a reasonable mix ratio of 30:1?
Is the plug heat range correct? 
Does both the plug and cap have resistors in causing a weak spark? 
Don't do oil burners myself but just suggesting stuff. 
🤷
I'm using NGK B8ES plugs. (they are what s recommended) Also tried a couple hotter B7ES.
Wouldn't running with the autolube dry damage the oil pump?
1997 ZL600
94 KE100
82 KZ305
74 TC185

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  • Warren3200gt
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Re: 94 KE100 needs a fresh spark plug every start.

23 Jul 2025 13:39 - 23 Jul 2025 14:02
#915006
Wouldn't have thought so for a short period. I would think the pump is lubricated by gearbox oil not 2 stroke oil at a guess. 
Definitely using B8ES and NOT BR8ES? 
B(Resistor)8ES.
As I said I don't do oil burners but would think only mix ratio, weak spark or to cold plugs could oil them badly. 

Z1000J2 somewhat modified!

Last edit: 23 Jul 2025 14:02 by Warren3200gt.

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  • Wookie58
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Re: 94 KE100 needs a fresh spark plug every start.

23 Jul 2025 14:45
#915007
Is it possible to back the oiling down to factory spec ?

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Re: 94 KE100 needs a fresh spark plug every start.

23 Jul 2025 17:07
#915012
Is it possible to back the oiling down to factory spec ?
The only adjustment described in the service manual is pull cable adjustment that comes off the 1 into 2 throttle cable. There are adjustment lines on the oil pump lever that are adjusted to line up at the point the carburetor slide starts to open. I have that adjusted to spec.
I'll be off line untill next Wednsday. Going low tec on this Mid Ohio trip. Thanks everyone for all the suggestions. I'll get back to this discussion then.
1997 ZL600
94 KE100
82 KZ305
74 TC185

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Re: 94 KE100 needs a fresh spark plug every start.

24 Jul 2025 09:02
#915033
I am assuming the plug "gap" is correct - a plug won't spark if the current has a path to ground which is easier than jumping the gap (electricity is lazy !!)

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