I'm running the same as a normal 250 for road and track... NGK BR9ECM's... You could go to 10's but it will probably have v little effect. _________________ NSR300R - Why did i ever have a 250...
Here's a bit of useless information for you.......
Old spark plugs are, apparently, a good bait for big pirhana in the tributaries forming the Amazon river.
I'd stick with what you got unless you are changing the mixtre or the compression ratio. If it's just the size of the bore then use what you were running. Just get a new one _________________ These aren't the droids you're looking for.
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