what brand?

[84xr50]

My son is growing out of his 1984 Honda 50. I am wondering what size, brand, and stroke for him he is 12 years old.

 

[Okiewan]

There are 6' 200 lb 12 year-olds out there...

Check this:
http://www.dirtrider.net/forums3/showthread.php?t=108916