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Posted by: geo
unless either manufacturer has a cross reference sheet, you may need to do some educated guessing-
an NGK plug number consists of something like this BPR6ES which decoded means
B- 14mm thread
R- resistor
6- heat range (higher is COLDer)
P- projected tip
point of the story is that most of these things you can determine by comparing the readily measureable physical characteristics of your stock plug. try to match them up based on that, and go with a 7 or 8 heat range.
Posted by: spliffy
.025-.028 is what we set them at.
Posted by: cvc42
I have a GY6 motor with a stock plug (LD-1 A7RTC) Any one know how I cross referance this??
Thanks
Posted by: cvc42
Thanks Guys that helps me get a start...
Posted by: cvc42
Thanks Bill !!!!!!!!!!!!!!!!!!!
Posted by: cvc42
Bill
What should the gap be on this plug??
Thanks!
Posted by: billl2099
spark plug # for a gy6 engine is ngk c7hsa
Posted by: smb05
cvc42,
Spark Plugs
NGK Cross reference
Good Luck
SB.
