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BF250D Spark plugs.

H

Heligeorge

Contributing Member
I seem to have messed up with the spark plugs.
Since I ordered some parts , I decided to go for the Iridium ones.
Recommended for the 250D is ZFR6K-11E.
Instead I got SPARK PLUG (IZFR6F11) (NGK).
Will that be a problem?
 
Hi Heligeorge,

I don't have the answer but there are several cross reference charts put out by NGK on the web. The only thing is that they aren't dated. I looked up one that listed your ZFR6K-11E but the "upgrade" suggested was not the IZFR6F11.
I tried to copy and paste it here but that didn't work for me.

Here's one from this site but I think it's very old:

Honda - NGK Outboard Motor Spark Plug Guide

www.marineengine.com www.marineengine.com

Sorry I didn't have good info for you but you might find something listed at an automotive parts house.
 
Ok so I did my research.
Both spark plugs have the same diameter , thread pitch and reach.
The recommended ones have a 10ΚΩ resistor, the ones I got have a 5ΚΩ resistance which means the voltage /spark/will be higher.
The only drawback would be possible radio frequency and noise, but apart from that there is no possible damage to the ignition system.
 
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