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View Full Version : fh721v spark plug size kawasaki


The mayor
08-12-2010, 08:08 AM
I picked up a kawasaki motor that once warm has a hard time starting. I believe it is the plugs. The ones that are in there are nkk bpr6es. I think the heat range is too cold and think it should be a bpr4es. Can anyone confirm the correct plug for the engine.

dutch1
08-12-2010, 08:41 AM
Without checking my reference, I think BPR4ES is the correct plug. Check NGK's website to confirm. You may have other problems that are contributing to your hard start.

Ruben Rocha
08-12-2010, 12:16 PM
Yes NGK BPR4ES is in my book for a FH721v

The mayor
08-12-2010, 04:01 PM
Changed the plugs and is running great. Thanks all.