Originally Posted by
MassiveMods
Sounds liek you have 2 R specs . The original R Spec came with the silver crank case and was then changed to the black case to be uniform with the rest of the pro range. Id say the black case is the engien to mod .. Does it have the all black composite carb ?
Yes the black case dose have the all black composite carb. The other silver case motor has a black carb also, but the fuel intake nipple and camber are silver. What is the difference.
Thanks Jim