Originally Posted by TrainedChimp
I ordered a set last Monday, before I saw this thread, and have a question.
Why does one of them have an extra hole in it and does it matter which side that one goes on?
Many thanks in advance.
I hope you did not order these for an R12 motor... they won't work. BOTH sprockets need to have the extra hole for the R12 engine.
If anyone needs help and is in my vicinity, just hit me up... or I try to do my best via email...