Spark Plug Life

[rugerm77]

Does anyone have any idea how long a Plug will last under normal conditions. My cart just ain't got the Pep it had a year ago

[chrisp6108]

usualy your tune up kits include a new plug, also depends on if its 2 stroke or 4 but i would say a year or two would be a safe bet. have you tried pulling the plug to see if it looks wet or condition of the plug currently?

[Hunting Cart Rookie]

I just bought a used cart and this is the old spark plug next to the new one. No clue how long this took but Id say it was past due. If yours looks like this change it out!

[cart around]

It all depends on the condition of the electrode.

http://ngksparkplugs.com/tech_suppor...qs/faqread.asp

[DonoBBD]

See that plug that states breakage in the above link? See on the electrode strap where its burning tan or clean too? Level with the electrode tip. This is what you want your plug to read like. If this line or band is higher than the electrode you need a hotter plug if it is lower you need a cooler plug. You can give your self a half heat range by moving the plug gap .10 at a time. Making the gap bigger will give you a denser shorter spark. Closing the gap will give you a thinner longer spark.

I for one on a 2 stroke like the denser shorter spark. On a four stroke with a long rod to stroke ratio you want a thinner longer spark for more spark duration.

The best plug on the market right now for a two stroke is the NGK EIX line solid core. These guys have zero I mean zero resistance when cold. I have yet to find a plug on the market that has this property. Instant start when cold and instant power when cold. You do not need the plug to warm up to pass 100% of the plugs voltage. 100% of the voltage is there at all temperatures.

Long story long if your plugs resistance has gone up the motor will feel sluggish and weak until it is run for a long time and 1) cleaned off the crud. or 2) is super hot dropping the resistance to a working range that it passes all the voltage.

Cheers Don.