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plugs
Posted: 10:38 am Mar 18 2013
by nick kdx
hi
can anyone tell me the difference between a B9ES and a B8ES?
when i bought the bike it had a B8ES in it but at the bike shop the manual listed B9ES
thanks
plugs
Posted: 11:01 am Mar 18 2013
by royadams
The number is the heat range of the plug. The 8 is hotter than the 9. If u lug it around sometimes a hotter plug works a little better.
Re: plugs
Posted: 11:21 am Mar 18 2013
by nick kdx
Oh ok thanks for that.i bought the B9ES so i'll put it in and try it and see how it runs
plugs
Posted: 01:50 pm Mar 18 2013
by ICRage42
yea had the same on mine
bought the 9 and bought an 8 really no difference imo in performance for me.
plugs
Posted: 03:33 pm Mar 18 2013
by SS109
The B8ES tends to run a little cleaner in the KDX. I run B8ES's and have never fouled a plug. I tend to swap them out after a year whether they need it or not.