spark plug

should i run a br 8 or 9 in my cr125

br9eg

If you run hard and fast..........a B9. If you are very novice/beginner or foul a lot of plugs, try a B8. :thumbsup:

9, dont change the heating range of the plug for jetting, change the jets.

yeah ive been running a 9 but one of my friends suggested an 8, i havent fouled one plug in my klife (knock on wood) i just wanted to see what you people thought, thanks for the input

what about in a cr250.. same??

9 would work fine and usually is the stock heat, i dont think it would do any harm to run 8.

what about in a cr250.. same??

250R runs an 8

thanks

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