Spark plug lubricant

Russ from MN

Well-known Member
Location
Bemidji MN

What is the preferred lubricant for spark plug threads? 15 hp Kawasaki V-twin, lawn tractor, probably an aluminum head, first time they have been out in 16 years, look great .035 gap, they're going back in after I check the valve clearance. Thanks!
 
plain engine oil usually, get some from dipstick or near empty bottle of oil. Used anto sieze a few time with old motorcycles--but if doing the sparkplug check away from toolbox with the points lube, silicone grease, antiseize, then plain engine oil as available in engine was used. works fairly well. RN
 
Never mind about lubricant,preventing the plug seizing and buggering threads is what's important. Use anti-seize.
 
I use the copper type anti seize. Costs a little more but really like it. Never had anything stuck in an aluminum head with that stuff.
 
Copper base anti-seize was recommended by someone else, for good conductivity, but only a small amount. I was thinking of using synthetic grease, that might of been bad! It's all done and test run now, Thanks!
 
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I don't think I would use blinker fluid to lube spark plug threads but it won't hurt. What I do know is lubing spark plug threads is only needed on diesel engines.
 
(quoted from post at 22:54:47 11/15/17) I don't think I would use blinker fluid to lube spark plug threads but it won't hurt. What I do know is lubing spark plug threads is only needed on diesel engines.

DO NOT use blinker fluid on the henway, it'll mess it up for sure. :p
BillL
 
Like the IHC MDs, 400Ds. Common for them to have original spark plugs after 20 years use. Hesslman all fuels sometimes have special spark plugs. RN
 
use di electric grease that you use on electrical connections the plug must ground to work correctly found this out the hard way and looked like a total fool
 

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