yes, I use to race a 400ex also and I have a yzf250. they are both great starter bikes.
They have 5. Owner of a 2007 crf250r
definitly
339
The 400ex its got a bigger motor... :P
400ex does 60 tops.
Honda's 2005 Honda CRF250R takes 660 ml of 10W40 synthetic oil. There are several brands to choose from including Honda's own oil mixture.
A person can purchase a Honda 400ex at any ATV retailer that carries them. An ATV retailer can also order one for you to be delivered to the store. There are also several websites that have a Honda 400ex.
Yes
it will fit, the graphics might be different
no
about 80 mph +
About 65-70