F4I spark plug part number?

[Ethiopian]

I have no idea what year motor mine is lol. so many differant parts on my bike

[richd3000]

Yeah my bike has been built from scrap parts too.. I wonder how to tell what year the motor is by the motor serial/vin?

[SKETCHY]

it wont matter....trust me

[Bobby digital]

according to the ngk book they are all the same

[richd3000]

Cool.

[Raider]

Look up the microfiche.....

[Ethiopian]

Originally Posted by SKETCHY

it wont matter....trust me

ive always used the 9c's in all 3 of my f4i with no issues. all my f4is ran tits.

[MiNi GuineA]

Originally Posted by raider9170

Be careful they're NOT all imr9c-9h.....
01- imr9a-9h
02- imr9b-9h
03+- imr9c-9h

I know someone is going to say they're all the same but they're not. And remember... Honda spent millions and millions of dollars engineering these bikes, they ARE smarter than you... Buy the right plugs...

I have used all 3 and noticed no difference at all, its a bike... ride it

[lee majors]

i use denso iridium. they will not foul..ever. big bucks though

[SPAGS]

ya just spend the money. get the iridium