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Spark plug
Posted: 08:33 pm Jul 19 2012
by Dekon
The Kawasaki service manual for 1989 states that the spark plug is a NGK B9ES, but I noticed a lot of people are running a NGK BR9ES. Any advantage to running a resistor plug?
Spark plug
Posted: 08:43 pm Jul 19 2012
by SS109
Not really. Also, don't run the 9, run a B8ES or BR8ES.
Spark plug
Posted: 09:01 pm Jul 19 2012
by Dekon
How come a hotter plug?
Spark plug
Posted: 09:12 pm Jul 19 2012
by KDXGarage
Either one is OK, but if you are not in a desert or giving it hell most of the time, I think an 8 works better for most people.
Spark plug
Posted: 09:13 pm Jul 19 2012
by KDXGarage
correct spark plug temperature heat range.
Spark plug
Posted: 09:30 pm Jul 19 2012
by Dekon
Thanks for the info.
Spark plug
Posted: 10:08 pm Jul 19 2012
by KDXGarage
No problem. On my 1994 KDX200, it was black and wet until I switched from a 9 to an 8.