my brother was asking me what spark plug goes in his john deere LX172 it has a kawasaki code FC420V-AS10
E/no FC420VA45852 engine
i told him i know just the place to find out, this forum is the best.
thanks in advance Bonzo.

Hi THE PLUG IS A NGK BPR5ES FOR THIS ENGINE
HOPE THIS WILL HELP
BILL

thank you, bill. like i said this forum is the best place for info.