Re: Grubee Skyhawk, drive sprocket (10T) keyway too wide
vise grip & dremel .. problem solved
Oh yea and safety goggles.
P.S. sorry it took almost 3 years for someone to reply to your question, It is very rare that you do not get 3 or 4 quick responses, by quick I mean in under an hour, I only found this because I searched out "66 CC drive gear woodruff keyway"